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Journal articles on the topic 'Vibrating Sample Magnetometer (VSM)'

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Published: 4 June 2025
Last updated: 1 August 2025

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1

L. Avilés, Félix, Elmer Monteblanco, and Abel Gutarra. "OPTIMIZATION OF A VIBRATING SAMPLE MAGNETOMETER FOR A LABORATORY PHYSICS COURSE." Revista Cientifica TECNIA 26, no. 2 (2017): 27. http://dx.doi.org/10.21754/tecnia.v26i2.55.

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ABSTRACTThis paper describes the implementation and a detailed optimization of a Vibrating Sample Magnetometer (VSM) for an undergraduate physics course laboratory. The VSM operation parameters were extensively discussed using Foner and Mallison coils configuration. The influence of the involved parameters (e.g. oscillation frequency, oscillation amplitude, rate change of the external magnetic field, coils configuration, etc.) on the induced voltage in the pick-up coils were discussed. A disk of nickel of 6-mm diameter was used for the calibration of the magnetometer, comparing the hysteresis
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2

Lubis, Wildan Zakiah, and Mujamilah Mujamilah. "Pengukuran Sampel Magnetik Cair dengan Vibrating Sample Magnetometer (Vsm)." JPSE (Journal of Physical Science and Engineering) 2, no. 2 (2017): 39–47. http://dx.doi.org/10.17977/um024v2i22017p039.

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Mészáros, István. "Development of a Novel Vibrating Sample Magnetometer." Materials Science Forum 537-538 (February 2007): 413–18. http://dx.doi.org/10.4028/www.scientific.net/msf.537-538.413.

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A new type of vibrating sample magnetometer (VSM) was designed for measuring the magnetic properties of soft and hard magnetic materials is described. The developed instrument differs from the traditional Foner type because in our system the motion of the specimen is parallel with the lines of the external magnetic field. Therefore, this instrument can be called parallel motion vibrating sample magnetometer (PMVSM). The special vibrating system contains a vibrating rod which holds the specimen. This arrangement can make the sample replacement and positioning fast and convenient. Because of the
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4

Lebedev, A. V. "On the unsuitability of a vibrating sample magnetometer for measuring the magnetization curves of magnetic fluids." ВЕСТНИК ПЕРМСКОГО УНИВЕРСИТЕТА. ФИЗИКА, no. 2 (2022): 20–25. http://dx.doi.org/10.17072/1994-3598-2022-2-20-25.

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The magnetization curves of magnetic fluid samples were measured using a vibrating sample magnetometer (VSM) and the differential run method. For standard magnetic fluids, the VSM gives significantly underestimated values of magnetization. In the case of a solid sample of a magnetic fluid based on epoxy resin, there is a complete coincidence of the magnetization curves obtained by the two measurement methods. The last experiment was performed with a styrene-based sample. It was initially measured with the use of the VSM in a liquid state. Then the sample was polymerized (without being removed
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sylvina, Tebriani. "Analisis Vibrating Sample Magnetometer (VSM) Pada Hasil Elektrodeposisi Lapisan Tipis Magnetite Menggunakan Arus continue Direct Current." Natural Science: Jurnal Penelitian Bidang IPA Dan Pendidikan IPA 5, no. 1 (2019): 722–30. https://doi.org/10.5281/zenodo.4395807.

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A magnetite (Fe3O4) thin film was grown on the Indium Thin Oxide (ITO) substrate by the Electrodeposition (ED) method, using the Continue Direct Current (CDC). Characterization with VSM is done to obtain information about the magnitudes of magnetic properties as a result of changes in the external magnetic field depicted in the hysteresis curve. VSM characterization results showed that the electrodepositioned magnetite thin films were paramagnetic, both for electrolyte solutions without ethylene glycol and electrolyte solutions that were dropped by ethylene glycol. Based on the comparison of t
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Ikhsan, Muhammad, Dwi Puryanti та Arif Budiman. "Pengaruh Penambahan Polyethylene Glycol (PEG) Terhadap Sifat Magnetik (γ-Fe2O3) Yang Disintesis Dari Magnetit Batuan Besi (Fe3O4)". JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS 9, № 2 (2017): 103–9. http://dx.doi.org/10.25077/jif.9.2.103-109.2017.

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Telah dilakukan sintesis magnetit dari biji besi Nagari Surian Kecamatan Pantai Cermin Kabupaten Solok Sumatera Barat dengan metode kopresipitasi. Selanjutnya dari magnetit tersebut disintesis maghemit tanpa dan dengan penambahan PEG melalui oksidasi pada temperatur 400 oC selama 3 jam. Variasi PEG yang digunakan yaitu sampel tanpa penambahan PEG, sampel dengan penambahan PEG-2000, PEG-4000, dan PEG-6000. Maghemit yang dihasilkan dikarakterisasi sifat magnetik menggunakan Vibrating Sample magnetometer (VSM). Karakterisasi sifat magnetik menggunakan VSM menghasilkan nilai koersivitas berturut-t
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7

Yudhawardana, Hartoyo, and Heri F. Lalus. "Analysis of Chemical Compound Content and Magnetic Properties of Iron Sand in Rondo Woing Village, East Manggarai." Jurnal Pendidikan Fisika dan Teknologi 9, no. 1 (2023): 133–42. http://dx.doi.org/10.29303/jpft.v9i1.4897.

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The mine sand extraction process used the Methanol Soap Bathed (MSB) method. The results of sample analysis using XRF and VSM (Vibrating Sample Magnetometer) obtained that the most dominant compound content was Silica (SiO2), Iron (Fe2O3), Quicklime (CaO), and Alumina (Al2O3). At the same time, the sample results from the Vibrating Sample Magnetometer (VSM) show that Rondo Woing East Manggarai iron sand has soft magnetic properties. The iron sand sample with code 001 has Hc, Mr, and Ms of 324.83 Oe, 0.31 emu/gram, and 1.61 emu/gram, respectively. The iron sand sample with code 002 has Hc, Mr,
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8

Phunde, Babasaheb E., Madhav M. Kandre, and Limbraj S. Ravangave. "Magneto-Optical Properties of Ni0.4Cu0.3Zn0.3Gd0.125Fe1.875O4 Nano Ferrite for Application of Soft Magnetic Material." International Journal for Research in Applied Science and Engineering Technology 11, no. 8 (2023): 366–71. http://dx.doi.org/10.22214/ijraset.2023.55196.

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Abstract: Ni0.4Cu0.3Zn0.3Gd0.125Fe1.875O4 spinel ferrite powder is successfully synthesized using sol-gel auto combustion technique. The structural, optical and magnetic properties investigated by using X-ray Diffractometer, FTIR Spectrometer, Scanning Electron Microscope and Vibrating Sample Magnetometer (VSM). XRD analysis confirmed that formation of Nano crystalline cubic spinel structure of the sample. The crystallite size of synthesized nanoparticles is about 29.45nm. The IR study support the confirmation spinel structure of Ni0.4Cu0.3Zn0.3Gd0.125Fe1.875O4 sample. Band gap energy Eg obtai
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Rizki, Muhammad, Arif Budiman, and Dwi Puryanti. "Pengaruh Temperatur Sintering Terhadap Sifat Magnetik Magnet Barium Ferit (BaFe12O19) Pasir Besi Batang Sukam Kabupaten Sijunjung Sumatera Barat." Jurnal Fisika Unand 7, no. 1 (2018): 15–20. http://dx.doi.org/10.25077/jfu.7.1.15-20.2018.

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Telah dilakukan penelitian tentang sintesis magnet ferit menggunakan metode metalurgi serbuk. Penelitian ini bertujuan untuk mengetahui pengaruh temperatur sintering terhadap sifat magnetik barium ferit (BaFe12O19). Barium ferit dibuat dengan cara mencampurkan hematit hasil oksidasi magnetik pasir besi Batang Sukam dengan barium karbonat. Campuran tersebut kemudian dikalsinasi pada temperatur 800 °C, dikompaksi dan disintering pada temperatur 800 °C, 900 °C, dan 1000 °C. VSM (Vibrating Sample Magnetometer) digunakan untuk menentukan sifat magnetik. Hasil VSM menunjukan bahwa pada sampel yang d
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Foroughi, Paniz, and Mohammadamin Moghadasi. "The Effect of Heat Treatment on the Magnetic Properties of Nanocrystalline Fe-Ni-Si Powders." Advanced Materials Research 829 (November 2013): 693–97. http://dx.doi.org/10.4028/www.scientific.net/amr.829.693.

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This paper investigates the effect of heat treatment on the magnetic properties of nanocrystalline Fe-Ni-Si powders prepared by mechanical alloying method which can be used in soft magnetic composites fabrication. Fe-85%, Si-10% and Ni-5% alloys were prepared using a vibrating disc mill. The magnetic properties of the samples were measured by a vibrating sample magnetometer (VSM) and the microstructural properties of the un annealed sample were measured by XRD and SEM. Three samples were annealed in three different temperatures from 500 °C to 600 °C and were compared with a sample without anne
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11

de Campos, Marcos Flavio, Sergio A. Romero, and Daniel Rodrigues. "Estimate of the Anisotropy Field of Strontium Ferrite from Powders Using the Stoner-Wohlfarth Model." Materials Science Forum 881 (November 2016): 128–33. http://dx.doi.org/10.4028/www.scientific.net/msf.881.128.

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The isotropic Stoner-Wohlfarth model can be applied for the determination of the anisotropy field in powders. Samples of strontium ferrite - SrFe12O19 – were measured in Vibrating Sample Magnetometer (VSM). By means of the fitting of the first quadrant of the hysteresis curve the anisotropy field was estimated as 19-20 kOe for the SrFe12O19 phase. The main advantage of the method is its simplicity, because compacting or sintering of the powder samples is not necessary
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12

Jadhav, Anil S., B. Raghunanda, Ashok D. Shetkar, and Ajai Kumar S. Molakeri. "Characterization and Magnetic Properties of Zinc Ferrite Synthesized by Combustion Route." Volume 4,Issue 5,2018 4, no. 5 (2018): 536–38. http://dx.doi.org/10.30799/jnst.170.18040519.

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Zinc ferrite (ZnFe2O4) nanocrystalline powder material was prepared by combustion method. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) is used to study on structural properties. The magnetic properties of the sample were measured at room temperature using vibrating sample magnetometer (VSM) in the field range �15000 G. Hysteresis loop obtained room temperature for ZnFe2O4 nanoparticles indicates that the nanoparticles are ferromagnetic in nature.
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13

Tkachev, V. V., G. S. Kraynova, D. A. Polyansky, V. S. Plotnikov, and A. V. Dubinets. "Surface Irregularities and Magnetism in Amorphous Metal Foils on Fe Basis." Solid State Phenomena 245 (October 2015): 223–29. http://dx.doi.org/10.4028/www.scientific.net/ssp.245.223.

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This paper presents the study results of morphology contact and free surface at amorphous metal foils (Fe7Co71Ni12(SiB)10, Fe70Ni10(SiB)10, Fe60Co30(SiB)10) and their analysis of the elemental composition. Using spectral methods of research was allowed to make a comparative analysis size and anisotropy of distribution topological inhomogeneities. A parallel study of spinning foils by Mossbauer spectroscopy and Vibrating sample magnetometer (VSM) possible to determine the magnetic state of the samples.
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Mariyanto, Mariyanto, Djody Virgiawan Ramadhan, Theresia Romauli Purba, and Feninda Amalia Nabilah. "Analysis of Vibrating Sample Magnetometer (VSM) data of Brantas river sediments using HYSITS." Journal of Physics: Conference Series 2309, no. 1 (2022): 012025. http://dx.doi.org/10.1088/1742-6596/2309/1/012025.

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Abstract Several vital activities in East Java are supported by the Brantas River, ranging from irrigation, supply of water raw materials, to industry. Along with the growing population, has the potential to increase the pollution that occurs in the Brantas River. VSM data was taken from the measurement results in Brantas River sediments. The aim of this study is to analyze the VSM measurement data in the Brantas River using the HYSITS script. The analysis was carried out to determine the type of magnetic domain contained in the Brantas river sediment. HYSITS program is used to provides a deep
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15

Amirabadizadeh, Ahmad, Mohammad Rasouli, and Reza Sarhaddi. "Structural and Magnetic Properties of Co0.5Ni0.5-xMnxFe2O4(x=0, 0.15, 0.25, 0.35, 0.5) Ferrite Nanoparticles Prepared via Sol-Gel Auto-Combustion Method." JOURNAL OF ADVANCES IN PHYSICS 3, no. 3 (2014): 267–77. http://dx.doi.org/10.24297/jap.v3i3.2060.

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In this study, Co0.5Ni0.5-xMnxFe2O4 (x=0, 0.15, 0.25, 0.35, 0.5) ferrite nanoparticles were prepared by sol-gel auto-combustion method. Structural, magnetic and morphology properties of obtained nanoparticles were investigated with X-ray Diffraction (XRD), Vibrating Sample Magnetometer (VSM) and Transmission Electron Microscopy(TEM), respectively. The XRD results show that the most dominant peaks for samples is related to the Spinel phase. Crystalline size using Scherrer's equation for different values of x were obtained between 44 to 64 nm. VSM results showed that the saturation magnetization
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16

Shaiboub, Ramadan, Noor Baa'yah Ibrahim, Mustafa Abdullah, and Ftema Abdulhade. "The Physical Properties of Erbium-Doped Yttrium Iron Garnet Films Prepared by Sol-Gel Method." Journal of Nanomaterials 2012 (2012): 1–5. http://dx.doi.org/10.1155/2012/524903.

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ErxY3-xFe5O12nanoparticle films (x=0.0, 0.6, 1.2, 2.0, and 2.5) have been synthesized by a sol-gel technique. All of the samples were annealed at 1000°C. The nanostructures were characterized by an X-ray diffractometer (XRD), the magnetic properties and the grain size were studied using a vibrating sample magnetometer (VSM), and a field emission scanning electron microscope (FE-SEM), respectively. The XRD patterns of the films show single phase structure. The sizes of the particles are in the range of 78 to 89 nm. The VSM result shows that the saturation magnetization ofErxY3-xFe5O12films decr
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17

ABADA, Abderahim, Abderrahmane YOUNES, and Rachid AMRAOUI. "Magnetic Control of Phase Evolution in Titanium-Based Alloys Synthesized by Ball Milling." Eurasia Proceedings of Science Technology Engineering and Mathematics 32 (December 30, 2024): 483–87. https://doi.org/10.55549/epstem.1605531.

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Nanostructured TiAlV alloys were synthesized from pure titanium, aluminum, and vanadium powders using the mechanical alloying technique in a high-energy planetary ball mill. The magnetic behavior, morphology, and microstructural properties were examined using a Vibrating Sample Magnetometer (VSM), Scanning Electron Microscope (SEM), and X-ray Diffraction (XRD), respectively. The crystallite size decreased from 48.73 nm to 9.38 nm, while lattice strain increased from 0.15% to about 0.81% after 60 hours of grinding. X-ray diffraction confirmed the formation of new phases during the grinding proc
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18

NAYAK, PRANABA K., and R. JOTHIRAMALINGAM. "SYNTHESIS AND CHARACTERIZATION OF ZINC FERRITE BY XRD, VSM AND ELECTRON SPIN RESONANCE TECHNIQUES." International Journal of Modern Physics B 27, no. 04 (2012): 1250213. http://dx.doi.org/10.1142/s021797921250213x.

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In this report, the synthesis of zinc ferrite ( ZnFe 2 O 4) by co-precipitation method has been presented along with its subsequent characterization by using X-ray diffraction (XRD), vibrating sample magnetometer (VSM) and electron spin resonance (ESR) techniques. The obtained XRD results of as-synthesized sample indicates the cubic spinel phase formation, which was confirmed from the XRD data of the above calcined sample at 1000°C. By using VSM, a complex magnetic structure was observed with substantial change on calcined sample. The ESR result of zinc ferrite sample studied at room temperatu
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Shimoyama, Hidefumi, Tokiko Osawa, Hiromi Watanabe, Kosuke Suzuki, Hiroshi Sakurai, and Masahisa Ito. "First Observation of Non-Resonant X-Ray Magnetic Diffraction for Multilayers." Key Engineering Materials 698 (July 2016): 3–7. http://dx.doi.org/10.4028/www.scientific.net/kem.698.3.

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Co/Pd magnetic multilayers have been prepared by using a sputtering method. Lattice distances and magnetic hysteresis curves have been measured by X-ray diffraction (XRD) measurements and magnetization measurements using a vibrating sample magnetometer (VSM). The XRD measurements have shown that the samples with thinner Pd layers have shorter lattice distances, and the VSM measurements have shown that the samples of thinner Co and thicker Pd layers are closer to those of perpendicular magnetic anisotropy. We have applied the X-ray magnetic diffraction method to the Co/Pd multilayer for the fir
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20

Yang, Rui Feng, Yu Zhen Lv, Yahui Zhang, Chen Min Liu, and Lin Guo. "Chemical Synthesis of Magnetic Fe3O4 Nanoparticles." Materials Science Forum 475-479 (January 2005): 2275–78. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.2275.

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Fe3O4 nanoparticles were simply prepared by a wet chemical solution method. In this method, poly (N-vinyl-2-pyrrolidone) (PVP) was used as surface modified reagent to control the shape of the product. Transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and X-ray diffraction (XRD) were used to characterize the asprepared Fe3O4 nanoparticles. Furthermore, the magnetic properties of the sample were investigated by a VSM (vibrating sample magnetometer) technique.
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21

Zheng, Shu Fang, Guo Xuan Xiong, Hai Qing Huang, and Liu Jun Luo. "Preparation and Properties of Porous Barium Ferrite." Advanced Materials Research 177 (December 2010): 257–59. http://dx.doi.org/10.4028/www.scientific.net/amr.177.257.

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Nano-porous Barium ferrite (BaFe12O19) nanoparticles were synthesized by sol-gel technique using CTAB as template. The structure, morphology, and magnetic properties of samples were characterized by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM). The results show that particles size are about 45 nm to 65 nm. And the nanoparticles show a saturation magnetization (Ms) of 62.831 emu/g, a coercivity (Hc) of 5481.0 Oe and a remament magnetization (Mr) of 33.083 emu/g.
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Omidi, Mohammad Hassan, Mahboobeh Alibeygi, Farideh Piri, and Mohammad Masoudifarid. "Polystyrene/magnetite nanocomposite synthesis and characterization: investigation of magnetic and electrical properties for using as microelectromechanical systems (MEMS)." Materials Science-Poland 35, no. 1 (2017): 105–10. http://dx.doi.org/10.1515/msp-2017-0011.

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AbstractIn this work, a novel polystyrene/Fe3O4 nanocomposite prepared by in-situ method is presented. Magnetic Fe3O4 nanoparticles were encapsulated by polystyrene. The FT-IR spectra confirmed polystyrene/Fe3O4 nanocomposite preparation. The electrical properties of prepared nanocomposite were investigated by cyclic voltammetry (CV). The CV analysis showed good electrical conductivity of the synthesized nanocomposite. Magnetic properties of the nanocomposite were studied by vibrating sample magnetometer (VSM). The VSM analysis confirmed magnetic properties of the nanocomposite. The morphology
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Wang, Gui Xin, Chun Jing Liu, Yu Meng Zhang, Hui Fen Peng, and Xin Wang. "Characterization of Nanosize Mn-Zn Ferrites Coated with Citric Acid." Advanced Materials Research 391-392 (December 2011): 835–38. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.835.

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The citric-acid coated Mn-Zn ferrite nanocrystalline was prepared by an improved co-precipitation method. X-ray diffraction (XRD) and TEM measurements indicated that the coated samples were pure spinel Mn-Zn ferrite nanocrystalline and the particles coated after boiling circumfluence were more homogeneous than that before boiling circumfluence. Vibrating sample magnetometer (VSM) indicated that the Ms of the coated samples was higher than that without coating. Specially when the content of citric acid is 4.76wt% after boiling circumfluence, the Ms of the coated sample is 54.15 emu•g-1 which is
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Junejo, Yasmeen, Abdulhadi Baykal, and Huseyin Sözeri. "Simple hydrothermal synthesis of Fe3O4-PEG nanocomposite." Open Chemistry 11, no. 9 (2013): 1527–32. http://dx.doi.org/10.2478/s11532-013-0281-9.

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AbstractAbstract We report a one-step hydrothermal synthesis of Fe3O4 nanoparticles coated with Polyethyleneglycol (PEG). The formation of the Fe3O4 core and the polymer coating took place simultaneously. Fe3O4/polyethylene glycol (PEG) magnetic nanocomposite with a core-shell structure with a 17±7 nm crystallite size prepared by simple hydrothermal method. VSM ( Vibrating Sample Magnetometer) analysis proved the superparamagnetic character of the nanocomposite. Graphical abstract
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Singh, Rahul, Surya Deo Yadav, Biraj Kumar Sahoo, Sandip Ghosh Chowdhury, and Abhishek Kumar. "Phase transformation, Mechanical Properties and Corrosion Behavior of 304L Austenitic Stainless Steel Rolled at Room and Cryo Temperatures." Defence Science Journal 71, no. 03 (2021): 383–89. http://dx.doi.org/10.14429/dsj.71.16721.

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The present work investigates the effect of rolling (90% thickness reduction) on phase transformation, mechanical properties, and corrosion behaviour of 304L-austenitic stainless steel through cryorolling and room temperature rolling. The processed steel sheets were characterised through X-ray diffraction (XRD), electron backscattered diffraction (EBSD), and vibrating sample magnetometer (VSM). The analysis of XRD patterns, EBSD scan, and vibrating sample magnetometer results confirmed the transformation of the austenitic phase to the martensitic phase during rolling. Cryorolling resulted in i
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Prakash, A., R. Sagayaraj, D. Jayarajan, S. Aravazhi, G. Chandrasekaran, and R. Nithya. "Influence of Ce3+ Substitution on Magnetic Properties and Antibacterial Activity of Manganese Ferrite Nanoparticles Synthesized by Coprecipitation Method." Asian Journal of Chemistry 34, no. 9 (2022): 2288–96. http://dx.doi.org/10.14233/ajchem.2022.23840.

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Rare earth element cerium incorporated MnFe2O4 nanoparticles were synthesized by using a co-precipitation method. Phase signature, vibrational analysis, morphology, element composition, magnetometry, surface analysis, medicated analysis were studied by XRD, FTIR, FE-SEM, EDAX, VSM, XPS and antibacterial activity. X-ray diffraction (XRD) reveals a cubic structure and obtained crystallite size and lattice constant. Fourier transform infrared spectroscopy (FTIR) studies were confirmed spinel structure ferrite. Vibrating sample magnetometer (VSM) revealed that the magnetic interaction of materials
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Puspitasari, Endah, Masno Ginting, and Ramlan Ramlan. "Preparation and Characterization of Fe2O3 from Iron Sand of the Coastal Sea of Cidaun Beach-South Cianjur (Indonesia) using the Co-precipitation Method." Science and Technology Indonesia 8, no. 4 (2023): 594–98. http://dx.doi.org/10.26554/sti.2023.8.4.594-598.

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The synthesis and characterization of Fe2O3 from Iron Sand of the coastal sea of Cidaun Beach - South Cianjur using the coprecipitation method has been carried out. The purpose of this research was to identify the crystal structure, magnetic mineral content, and magnetic properties of iron sands. The characterizations used in this research are X-Ray Diffraction (XRD), Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX) and Vibrating Sample Magnetometer (VSM). Based on the XRD results, it shows that the iron sand sample produces multi-phases, namely hematite (????-Fe2O3), maghemite (
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Rianna, Martha, Timbangen Sembiring, Marhaposan Situmorang, et al. "CHARACTERIZATION OF NATURAL IRON SAND FROM KATA BEACH, WEST SUMATRA WITH HIGH ENERGY MILLING (HEM)." Jurnal Natural 18, no. 2 (2018): 97–100. http://dx.doi.org/10.24815/jn.v18i2.11163.

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Iron sand is one of the natural resources in West Sumatra that has not been optimally utilized. One of the potential locations to get this iron sand deposits is the coast of Kata. This study aims to analyze the content and size of the iron grains found on the coast of Kata Padang Beach, West Sumatera Province. Coastal sand samples are extracted using permanent magnets to separate magnetic and non-magnetic materials. Characterization of iron sand using Scanning Electron Microscopy with Energy Dispersive X-ray (SEM-EDX) and Vibrating Sample Magnetometer (VSM). The result of characterization usin
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WANG, Y. C., J. DING, B. H. LIU, and Y. SHI. "MAGNETIC PROPERTIES OF Co-FERRITE AND SiO2-DOPED Co-FERRITE THIN FILMS AND POWDERS BY SOL–GEL." International Journal of Nanoscience 03, no. 04n05 (2004): 463–70. http://dx.doi.org/10.1142/s0219581x04002267.

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Thin films and powders of Co -ferrite and SiO 2-doped Co -ferrite were fabricated via the sol–gel method. The structural and magnetic properties of the films and powders were investigated with X-Ray Diffractometer (XRD), Vibrating Sample Magnetometer (VSM), Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM). VSM measurements showed an enhancement of coercivity by SiO 2-doping for Co -ferrite powders and thin films (coercivity of 3.5 kOe in SiO 2-doped thin films). XRD and SEM investigations revealed a nanostructure of the thin films. Low surface roughness was observed in our
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Thonglor, Panakamon, and Naphat Albutt. "SILICA-COATED MAGNETITE NANOPARTICLES PREPARED BY CO-PRECIPITATION METHOD FOR PROTEIN DETECTION." Suranaree Journal of Science and Technology 31, no. 3 (2024): 030197(1–10). http://dx.doi.org/10.55766/sujst-2024-03-e05822.

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Fe3O4 magnetite nanoparticles (MNPs) were prepared using the co-precipitation method at room temperature. The MNPs were modified by coating with SiO2 and APTES to enhance their efficiency for protein detection applications. The MNPs were characterized by Transmission Electron Microscopy (TEM), Scanning Electron Microscopy with Energy Dispersive X-ray spectroscopy (SEM/EDXS), Fourier Transform Infrared (FT-IR), Thermogravimetry Analysis (TGA), X-ray diffraction (XRD), and Vibrating Sample Magnetometer (VSM). The results indicated differences in the size of particles, as around 10-40 nm and ther
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31

ZHOU, CHUNJIAO, ZHEN WU, WENJIE ZHANG, et al. "FACILE SYNTHESIS OF HUMIC ACID-COATED IRON OXIDE NANOPARTICLES AND THEIR APPLICATIONS IN WASTEWATER TREATMENT." Functional Materials Letters 04, no. 04 (2011): 373–76. http://dx.doi.org/10.1142/s1793604711002238.

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Humic acid (HA)-coated Fe3O4 ( Fe3O4 /HA) superparamagnetic nanoparticles were synthesized by a chemical co-precipitation method with cheap and environmental friendly iron salts and HA. The as-synthesized samples were characterized by X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR) and vibrating sample magnetometer (VSM). The Fe3O4 /HA nanoparticles showed faster adsorption rate and higher removal capacity of cationic organic dye Methylene blue (MB) in neutral water. Moreover, the MB desorption could be easily co
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32

Kakati, Sushant, Suresh Kuri, M. K. Rendale, and S. N. Mathad. "Soft-Hard Ferrite Composites by Green Synthesis: Structural and Magnetic Properties." Physics and Chemistry of Solid State 26, no. 2 (2025): 277–84. https://doi.org/10.15330/pcss.26.2.277-284.

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Mg-Co-Zn Soft ferrite and Ba-Sr hard ferrite composites were prepared by employing the green synthesis technique, in which lemon extract was used as a chelating agent in the reaction. Structural, morphological, and magnetic properties of the composites were studied. The prepared composites were analyzed with X-ray diffraction (XRD), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM) techniques. The prepared composite samples showed significant changes in the structural and magnetic properties depending on the weight percentage of the constituent phases, thereby providin
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33

Sharmila, Mohamed, Ramasamy Jothi Mani, Chelliah Parvathiraja та ін. "Photocatalytic Dye Degradation and Bio-Insights of Honey-Produced α-Fe2O3 Nanoparticles". Water 14, № 15 (2022): 2301. http://dx.doi.org/10.3390/w14152301.

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Iron oxide nanoparticles are produced using simple auto combustion methods with honey as a metal-stabilizing and -reducing agent. Herein, α-Fe2O3 nanoparticles are produced using an iron nitrate precursor. These prepared samples are analyzed by an X-ray diffractometer (XRD), FTIR spectroscopy, UV-DRS, and a field-emission scanning electron microscope (FESEM) combined with energy-dispersive spectroscopy and a vibrating sample magnetometer (VSM). The XRD results confirm a rhombohedral structure with an R3c¯ space group single-phase formation of α-Fe2O3 in all samples. FESEM images reveal the dif
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34

Chusna, Nadiya Miftachul, Sunaryono, Yunan Amza Muhammad, Rosabiela Irfa Andin, and Ahmad Taufiq. "Investigation of Magnetic Properties and Nanostructure of Fe2.75Mn0.25O4@ PANI Materials and their Potential as the Magnetic Ink." Key Engineering Materials 855 (July 2020): 308–14. http://dx.doi.org/10.4028/www.scientific.net/kem.855.308.

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The Fe2.75Mn0.25O4 nanoparticles were successfully synthesized by using the coprecipitation method, while the Fe2.75Mn0.25O4@PANI materials were successfully fabricated by using the in situ polymerization method. This research aimed to investigate the magnetic properties and nanostructure of the Fe2.75Mn0.25O4 nanoparticles and Fe2.75Mn0.25O4@PANI materials. Some characterizations of the samples were successfully carried out by using X-Ray Diffraction (XRD) instruments, Fourier Transform Infrared (FTIR), and Vibrating Sample Magnetometer (VSM) each of which was conducted to characterize the cr
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35

He, Xi Sheng, Hui Qing Peng, Jin Li, and Jun Dong. "Preparation and Characterization of CA-PEI Double Modification Water-Based Magnetic Fluid." Applied Mechanics and Materials 423-426 (September 2013): 151–54. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.151.

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Fe3O4 magnetic nanoscale water-based magnetic fluid was fabricated by co-precipitation with citric acid (CA) and polyethylene amine (PEI) as dispersant. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), scanning electron microscope (SEM) and vibrating sample magnetometer (VSM) were used to investigate the samples.The modified magenetic nanoparticles (MNPs) size of about 50nm and have a saturation magnetization about 0.25emu/g.These nanoparticles can be applied to the study of genophore.
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36

Wang, Li, and Bo Geng. "Preparation and Electromagnetic Properties of Ferriferrous Oxide/Polyaniline Composites." Applied Mechanics and Materials 633-634 (September 2014): 302–5. http://dx.doi.org/10.4028/www.scientific.net/amm.633-634.302.

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By using chemical oxidative polymerization method, ferriferrous oxide/polyaniline (Fe3O4/PANI) composites are successfully synthesized. The composites are characterized by Fourier transform infrared spectra (FTIR), vibrating sample magnetometer (VSM), and vector network analyzer (VNA). With the amount of Fe3O4 increase, the saturation magnetization and remnant magnetization of Fe3O4/PANI composites decrease, while the coercivity remains unchanged. The addition of Fe3O4 makes the reflection loss (RL) of Fe3O4/PANI composites decreases and the microwave absorption increases.
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37

Yang, Xia, and Hui Ping Shao. "Synthesis and Characterization of Cobalt Nanoparticles by Cobalt-Acetate." Advanced Materials Research 503-504 (April 2012): 346–49. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.346.

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In this study, cobalt nanoparticles with an average size of 16 nm were synthesized using cobalt-acetate as precursor. Besides oleylamine and oleic acid, sodium oleate was selected as surfactants to control the size of particles. The obtained particles show cubic shape and uniformly disperse. The hysteresis curve of cubic nanoparticles detected by vibrating sample magnetometer (VSM) reveals that the coercive force Hc is 297.62 Oe and the saturation magnetization Ms is 56.55 emu/g.
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38

Handoko, Djati, Thanh Tran Dang, Dwi Nanto, et al. "Universal Hysteresis Behavior of Double Perovskite Ba2-xLaxFeMoO6." Solid State Phenomena 233-234 (July 2015): 364–67. http://dx.doi.org/10.4028/www.scientific.net/ssp.233-234.364.

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We have investigated temperature-dependent magnetic hysteresis loop behavior of Ba2-xLaxFeMoO6 with double perovskite structure by means of a vibrating sample magnetometer (VSM). As partial substitution of Ba2+ by La3+ is varied from x = 0.1 to 0.3, TC is found to increase from 324 to 345 K. Interestingly, however, hysteresis loop area, remanent magnetization, and coercivity are found to follow a universal behavior with respect to a temperature variation regardless of the Ba2+ substitution.
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39

Djamal, Mitra, Darsikin, Togar Saragi, and M. Barmawi. "Design and Development of Magnetic Sensors Based on Giant Magnetoresistance (GMR) Materials." Materials Science Forum 517 (June 2006): 207–11. http://dx.doi.org/10.4028/www.scientific.net/msf.517.207.

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This paper describes magnetic sensors that have been developed in the last three years. GMR thin film materials have been successfully developed using unpinned CoFe/Cu/CoFe sandwiches on Si(100) substrate using a home built dc-opposed-target magnetron sputtering (OTMS). The magnetization of the sandwich is measured using hysteresis loop instrument, the Vibrating Sample Magnetometer (VSM). It was found that the phase of GMR was formed, with the MR ratio 15.76%.
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40

Li, Yan, Xiao Li Zhang, Young Hwan Kim, and Young Soo Kang. "Synthesis and Characterization of Co Nanoparticles by Solventless Thermal Decomposition." Solid State Phenomena 119 (January 2007): 71–74. http://dx.doi.org/10.4028/www.scientific.net/ssp.119.71.

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Co nanoparticles were synthesized via a solventless thermal decomposition of Co2+-oleate2. The crystalline structure is strongly affected by the thermal treatment of the Co nanoparticles. Further, the annealing also results in the decomposition of surfactant around Co particles. The size of nanoparticles was confirmed by transmission electron microscopy (TEM). The crystal structure of nanoparticles was characterized by X-ray diffraction pattern (XRD). The magnetic properties were characterized by vibrating sample magnetometer (VSM).
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41

Shaari, Nur Shuhada, Suhaina Mohd Ibrahim, Farinaa Md Jamil, et al. "Synthesis and Characterization of Magnetic Mesoporous Ɣ-FE2O3/SIO2." Advanced Materials Research 879 (January 2014): 128–33. http://dx.doi.org/10.4028/www.scientific.net/amr.879.128.

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Magneticmesoporousɣ-Fe2O3/SiO2 synthesized using an evaporation-induced self-assembly (EISA) approach. The non-ionictriblock copolymer P123 was used as surfactant template with various amounts of iron oxide (1.8g-2.4g) and varied during the synthesis. Characterizations of the surface area and magnetic properties for prepared materials were done using N2-sorption analyses, and a superconducting quantum interference device interfaced with a vibrating sample magnetometer (SQUID-VSM) respectively. From this study, N2-sorption analysis indicated that most of the ɣ-Fe2O3domains of several nanometres
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42

Cassia, Diva, Iwan Sugihartono, Isnaeni Isnaeni, et al. "SYNTHESIS AND CHARACTERIZATION ANALYSIS OF FE3O4/SiO2 CORE SHELL." Spektra: Jurnal Fisika dan Aplikasinya 8, no. 3 (2023): 161–66. http://dx.doi.org/10.21009/spektra.083.04.

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Fe3O4/SiO2 core shell synthesis has been carried out, and its characteristics has been analyzed to be used as a photocatalyst using co-precipitation and sol-gel method. Fe3O4 is used as the core material to eliminate the difficulty of separating the photocatalyst powder from the solution medium, SiO2 is used to avoid oxidation by preventing the Fe3O4 core from coming into direct contact with the solution. The samples were then characterized using X-Ray Diffraction (XRD), Fourier Transform Infra-Red (FTIR), and Vibrating Sample Magnetometer (VSM). The XRD and FTIR results showed that the crysta
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43

Cui, Zhen Feng, and Dehui Sun. "Synthesis and Characterization of CoFe2O4 Nanoparticles." Advanced Materials Research 261-263 (May 2011): 533–36. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.533.

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We synthesized the magnetic CoFe2O4nanoparticles using a solution method in the presence of hexamethylenetetramine (HMTA) at 85 °C for 6 h. Their morphologies, structures, surface properties and magnetism were characterized by Field emission scanning electron microscopy (FE-SEM) images, X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, and Vibrating sample magnetometer (VSM), respectively. FE-SEM results show that the synthesized samples are irregular nanoparticles with average size range of about 40-120 nm. XRD confirms that the samples belong to the rhombohedral crysta
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44

Chen, Guohao, Luwen Jiang, Chunlai Li, et al. "Structural, magnetic, and electrical properties of LaMnO3 doped with Na by microwave-assisted synthesis method." Journal of Physics: Conference Series 2842, no. 1 (2024): 012095. http://dx.doi.org/10.1088/1742-6596/2842/1/012095.

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Abstract The electric and magnetic transport properties of La1-xNaxMnO3 (x = 0.15, 0.2, 0.25, 0.3) are studied using the X-ray diffraction (XRD), vibrating sample magnetometer (VSM), and four-probe resistivity measurement method. The samples are synthesized by the method of microwave heating. The obtained samples show phase changes around x = 0.25. The magnetization measurement shows the curie temperature (Tc) increases as the level of doping increases and saturates around x = 0.25. The resistivity measurement dramatically decreases at a metal-insulator transition temperature close to Tc. Thes
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45

Wang, Li Qun. "Structure, Magnetic Properties and Defects Distribution of Mn0.5Zn0.5LaxFe2-xO4 Nanocrystals." Advanced Materials Research 105-106 (April 2010): 706–8. http://dx.doi.org/10.4028/www.scientific.net/amr.105-106.706.

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La-substitution Mn-Zn ferrite nanocrystals, Mn0.5Zn0.5LaxFe2-xO4 (x=0.00, 0.05, 0.10, 0.15, 0.20) were prepared by sol-gel process. X-ray diffraction (XRD), vibrating sample magnetometer (VSM) and positron annihilation lifetime spectroscopy (PALS) studies were carried out. The result of XRD suggests that the mean grain size decreases from 63.8 nm to 44.6 nm with the increment of La-substitution concentration from x=0.00 to 0.20. The VSM measurement shows that the saturation magnetization (MS) increases in the range of x<0.10, then it drastically decreases in the range of 0.10<x<0.20.
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46

Antareza, Muhammad Archie, Christopher Salim, Mariyanto Mariyanto, Juan Pandu Gya Nur Rochman, and Wien Lestari. "HYSGUITS: A MATLAB Graphical User Interface (GUI) for hysteresis loop simulation in Vibrating-Sample Magnetometer (VSM) data." Journal of Physics: Conference Series 2309, no. 1 (2022): 012028. http://dx.doi.org/10.1088/1742-6596/2309/1/012028.

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Abstract In rock magnetism, Vibrating-Sample Magnetometer (VSM) data displays magnetic moment in specific magnetic field applied in descending and ascending magnitude, which results in a pattern called hysteresis loop. This loop characterizes different magnetic materials depending on its shape. In recent years, the usage of computer software to analyze hysteresis loop has become necessary due to its precision. Easily executable, intuitive, and user-friendly open-source programs for analyzing VSM data are still not widely available despite their necessary utilization. HYSGUITS was designed with
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47

Tsai, Chau-Yi, Li-Wei Tseng, Yu-Chih Tzeng, and Po-Yu Lee. "Magnetic Properties of FeNiCoAlTiNb Shape Memory Alloys." Crystals 12, no. 1 (2022): 121. http://dx.doi.org/10.3390/cryst12010121.

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The magnetic properties of the new Fe41Ni28Co17Al11.5(Ti+Nb)2.5 (at. %) shape memory alloy system were studied in this work. The magnetic properties were characterized by thermo-magnetization and a vibrating sample magnetometer (VSM). In iron-based shape memory alloys, aging heat treatment is crucial for obtaining the properties of superelasticity and shape memory. In this study, we focus on the magnetization, martensitic transformation temperatures, and microstructure of this alloy during the aging process at 600 °C. From the X-ray diffraction (XRD) results, the new peak γ’ is presented durin
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48

Khan, Ayaz Arif, M. Javed, A. Rauf Khan, et al. "Influence of preparation method on structural, optical and magnetic properties of nickel ferrite nanoparticles." Materials Science-Poland 35, no. 1 (2017): 58–65. http://dx.doi.org/10.1515/msp-2017-0006.

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AbstractNanocrystalline NiFe2O4 particles were prepared by conventional sol-gel, citrate-nitrate sol-gel combustion and co-precipitation methods. The synthesized samples were annealed at 1000 °C for two hours and structural, chemical, morphological, optical and magnetic properties of nickel ferrite were investigated. The structural properties were investigated by X-ray diffraction (XRD) technique which confirmed the formation of single phase NiFe2O4 particles derived by the three methods. The chemical properties were analyzed by Fourier transform infrared (FT-IR) spectroscopy which confirmed t
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49

Zhang, Xi, and Gang Xiang. "Magnetic Properties of Iron-Based Alloy Nanowires upon Heat Treatment." Advanced Materials Research 239-242 (May 2011): 197–201. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.197.

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Fe56Co44 alloy nanowires were fabricated by electrodeposition with aluminum oxide template. Transmission Electron Microscope photographs show the nanowires are separate and have no twist with each other. Mossbauer spectroscopy results show the values of the isomer shift, hyperfine splitting and linewidth all decrease with increasing annealing temperature. Vibrating sample magnetometer (VSM) results of the alloy nanowire show that the coercive fields increase with increasing heat treatment temperature when the direction of applied magnetic field perpendicular to the axis of nanowires.
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50

Goodarz Naseri, Mahmoud, Elias B. Saion, Hossein Abbastabar Ahangar, Abdul Halim Shaari, and Mansor Hashim. "Simple Synthesis and Characterization of Cobalt Ferrite Nanoparticles by a Thermal Treatment Method." Journal of Nanomaterials 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/907686.

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Crystalline, magnetic, cobalt ferrite nanoparticles were synthesized from an aqueous solution containing metal nitrates and polyvinyl pyrrolidone (PVP) as a capping agent by a thermal treatment followed by calcination at various temperatures from 673 to 923 K. The structural characteristics of the calcined samples were determined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and transmission electron microscopy (TEM). A completed crystallization occurred at 823 and 923 K, as shown by the absence of organic absorption bands in the FT-IR spectrum. Magnetization mea
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