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Journal articles on the topic 'Nano-SQUID'

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1

Hao, L., D. Cox, P. See, J. Gallop, and O. Kazakova. "Magnetic nanoparticle detection using nano-SQUID sensors." Journal of Physics D: Applied Physics 43, no. 47 (2010): 474004. http://dx.doi.org/10.1088/0022-3727/43/47/474004.

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2

Berger, Jorge. "Stationary nano-SQUID: theoretical investigation and feasibility analysis." Journal of Physics: Condensed Matter 29, no. 29 (2017): 29LT01. http://dx.doi.org/10.1088/1361-648x/aa75c4.

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3

Kang, Sung, Teppei Muramatsu, and Mahoto Takeda. "TEM Study and Magnetic Measurements of Nano–Scale Particles Formed in Cu–Base Alloys." Advanced Materials Research 89-91 (January 2010): 757–62. http://dx.doi.org/10.4028/www.scientific.net/amr.89-91.757.

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The precipitation behavior of nano–scale particles formed in Cu–base alloys was studied by means of transmission electron microscopy (TEM) and SQUID measurements. Linear arrangements of two or more nano–scale particles cubic in shape were observed in the <100> orientations of matrices in a Cu–Co alloy. Although the trend was less explicit in a Cu–Fe alloy, Fe precipitates accompanying twin–like lattice modulations were found in the decomposition, when no deformation was applied. The present SQUID measurements revealed several significant influences to magnetic properties were induced dur
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4

Finkler, A., D. Vasyukov, Y. Segev, et al. "Nano-sized SQUID-on-tip for scanning probe microscopy." Journal of Physics: Conference Series 400, no. 5 (2012): 052004. http://dx.doi.org/10.1088/1742-6596/400/5/052004.

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5

Bouchiat, V. "Detection of magnetic moments using a nano-SQUID: limits of resolution and sensitivity in near-field SQUID magnetometry." Superconductor Science and Technology 22, no. 6 (2009): 064002. http://dx.doi.org/10.1088/0953-2048/22/6/064002.

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6

Russo, R., E. Esposito, C. Granata, et al. "Magnetic Nanoparticle Characterization Using Nano-SQUID based on Niobium Dayem Bridges." Physics Procedia 36 (2012): 293–99. http://dx.doi.org/10.1016/j.phpro.2012.06.162.

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7

Kang, Sung, Mahoto Takeda, Zenji Hiroi, and Masaki Takeguchi. "Precipitation Behavior and Magnetic Properties of Nano–Scale Particles in a Cu–Fe–Ni Alloy." Materials Science Forum 654-656 (June 2010): 2342–45. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2342.

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The precipitation behavior of nano–scale magnetic particles formed in a Cu–Fe–Ni alloy on isothermal annealing at 873K and 1073K have been investigated by means of transmission electron microscopy (TEM). Nano–scale magnetic particles were formed randomly in the Cu–rich matrix after receiving a short annealing due to phase decomposition in the alloy. With increasing the isothermal annealing time, however, the striking features that two or more nano–scale particles with a cubic shape and precipitates with a needle shape were aligned linearly along <100> directions were observed on isotherm
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8

Tanaka, S., C. Toriyabe, Y. Torii, et al. "Evaluation of thermo responsive magnetic nano-particles for high-Tc SQUID bio application." Physica C: Superconductivity and its Applications 463-465 (October 2007): 1029–33. http://dx.doi.org/10.1016/j.physc.2007.04.285.

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9

Wu, Long, Lei Chen, Linxian Ma, et al. "Broad-Band Coupling With Improved Efficiency Between the Nano-SQUID and Coplanar Waveguide." IEEE Transactions on Applied Superconductivity 29, no. 5 (2019): 1–4. http://dx.doi.org/10.1109/tasc.2019.2898694.

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10

Pan, Y. P., S. Y. Wang, X. Y. Liu, et al. "3D nano-bridge-based SQUID susceptometers for scanning magnetic imaging of quantum materials." Nanotechnology 30, no. 30 (2019): 305303. http://dx.doi.org/10.1088/1361-6528/ab1792.

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11

Shibata, Yusuke, Shintaro Nomura, Ryosuke Ishiguro, et al. "Magnetic field imaging of a tungsten carbide film by scanning nano-SQUID microscope." Superconductor Science and Technology 29, no. 10 (2016): 104004. http://dx.doi.org/10.1088/0953-2048/29/10/104004.

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12

Qing, Zhong, Tsai Yuchien, Li Jinjin, et al. "High transfer coefficient niobium nano-SQUID integrated with a nanogap modulation flux line." Measurement Science and Technology 32, no. 2 (2020): 025001. http://dx.doi.org/10.1088/1361-6501/abc454.

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13

Hasnat, A. "Performance optimization of the nano-sized pick-up loop of a dc-SQUID." Physica C: Superconductivity and its Applications 583 (April 2021): 1353852. http://dx.doi.org/10.1016/j.physc.2021.1353852.

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14

Barudzija, Tanja, Alexey Gusev, Dragana Jugovic, et al. "Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide." Chemical Industry 66, no. 2 (2012): 181–86. http://dx.doi.org/10.2298/hemind111027090b.

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Nano-sized titanium monoxide (TiO) powder was prepared by mechanochemical synthesis. A mixture of commercial Ti and TiO2 (rutile) powders with the molar ratio of 1:1 was milled in a planetary ball mill for 5, 10, 20, 30 and 60 min under argon atmosphere. The final single-phase titanium monoxide sample was characterized by X-ray diffraction (XRD), magnetic measurements using a superconducting quantum interference device magnetometer (SQUID) and thermogravimetric analysis (TGA). The temperature dependency of the magnetic susceptibility is characterized by significant contribution of Pauli parama
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15

Ahn, Kang Ho, Jung Ho Ahn, K. S. Jeon, and Yong Ho Choa. "Characteristics of Fe2O3/SiO2 Nano-Composites Particles Prepared by a Diffusion Flame with Premixed Precursor." Materials Science Forum 449-452 (March 2004): 1173–76. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.1173.

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Fe2O3 nano-particles coated with SiO2 are synthesized using H2/O2 co-axial diffusion flame with the state-of-the-art electro-spraying (e-spray) technique at atmospheric condition. Fe(CO)5 and TEOS (tetra-ethyl-ortho-silicate) mixture in liquid phase is injected directly into the center of the flame using the electro-spraying method. The synthesized particle characteristics are analyzed with HRTEM, XRD, SQUID. The core (iron oxide)-shell(silica) structured spherical particles are obtained. Most of the particles synthesized are magemite() regardless of the particles sampling positions inside the
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16

Pan, Yin-Ping, Yue Wang, Ruo-Ting Yang, et al. "Characterization of Scanning SQUID Probes Based on 3D Nano-Bridge Junctions in Magnetic Field." Chinese Physics Letters 37, no. 8 (2020): 080702. http://dx.doi.org/10.1088/0256-307x/37/8/080702.

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17

Baqiya, Malik Anjelh, Putu Eka Dharma Putra, Resky Irfanita, et al. "Synthesis and Magnetic Characterization of La2-xSrxCuO4 Nanoparticles." Key Engineering Materials 855 (July 2020): 58–63. http://dx.doi.org/10.4028/www.scientific.net/kem.855.58.

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Non-doped and strontium-doped lanthanum cuprates (La2CuO4 (LCO) and La1.85Sr0.15CuO4 (LSCO15)) in nano-sized particles were synthesized by the chemically dissolved technique employing HNO3 as the dissolving agent. The structural and magnetic properties were investigated by using an x-ray diffraction (XRD) apparatus and a superconducting quantum interference device (SQUID) magnetometer, respectively. The XRD patterns of LCO and LSCO15 show the formation of the single phase without impurities after the calcinations in air at 1100°C for 15 h and the post-annealing in oxygen at 800 °C for 24 h. Th
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18

Niu, Fuge, Yu Jiao, Rui Zhang, et al. "Properties of nano protein particle in solutions of myofibrillar protein extracted from giant squid (Dosidicusgigas)." Food Chemistry 330 (November 2020): 127254. http://dx.doi.org/10.1016/j.foodchem.2020.127254.

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19

Wu, Long, Lei Chen, Hao Wang, et al. "Measurement of Meissner effect in micro-sized Nb and FeSe crystals using an NbN nano-SQUID." Superconductor Science and Technology 30, no. 7 (2017): 074011. http://dx.doi.org/10.1088/1361-6668/aa710d.

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20

Weissitsch, Lukas, Martin Stückler, Stefan Wurster, et al. "Strain Induced Anisotropic Magnetic Behaviour and Exchange Coupling Effect in Fe-SmCo5 Permanent Magnets Generated by High Pressure Torsion." Crystals 10, no. 11 (2020): 1026. http://dx.doi.org/10.3390/cryst10111026.

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High-pressure torsion (HPT), a technique of severe plastic deformation (SPD), is shown as a promising processing method for exchange-spring magnetic materials in bulk form. Powder mixtures of Fe and SmCo5 are consolidated and deformed by HPT exhibiting sample dimensions of several millimetres, being essential for bulky magnetic applications. The structural evolution during HPT deformation of Fe-SmCo5 compounds at room- and elevated- temperatures of chemical compositions consisting of 87, 47, 24 and 10 wt.% Fe is studied and microstructurally analysed. Electron microscopy and synchrotron X-ray
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21

Abdel-Aziz, Heba M. M., Magda I. Soliman, Aml M. Abo Al-Saoud, and Ghada A. El-Sherbeny. "Waste-Derived NPK Nanofertilizer Enhances Growth and Productivity of Capsicum annuum L." Plants 10, no. 6 (2021): 1144. http://dx.doi.org/10.3390/plants10061144.

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Waste generation is a global issue that necessitates effective management for both human and animal health as well as environment. There are several ways to reduce waste, but recycling appears to be the best choice. By recycling, not only will the problem of pollution be resolved, but valuable compounds could be generated to be used as nutrients for plants. In this study, eco-friendly methods were established to produce α- and β-chitosan (CS) (as a source of nitrogen) with different degrees of deacetylation from shrimp shells and squid pin waste, phosphorous through degreasing and calcination
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22

Maglia, F., L. Malavasi, H. E. Camurlu, et al. "Synthesis and Characterization of Pure and Doped (Na, Ca, Sr) Nanograined LaMnO3 Magnetoresistive Ceramics." Journal of Nanoscience and Nanotechnology 8, no. 2 (2008): 846–53. http://dx.doi.org/10.1166/jnn.2008.b116.

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Pure and Na, Ca, and Sr doped lanthanum manganites (LaMnO3, La0.85Na0.15MnO3, La0.7Ca0.3MnO3, La0.7Sr0.3MnO3) were prepared in form of bulk nano-structured materials through a two-step process. Nanometric powders were synthesized by the Pechini method and subsequently densified by Spark Plasma Sintering at 1273 K for 5 minutes under a pressure of 140 MPa. The method allowed the preparation of single phase manganites with a theoretical density above 98% together with a very limited growth of the grain size. Grain sizes below 70 nm were obtained for all materials except La0.85Na0.15MnO3 which sh
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23

Tang, Ai Min, and Jian Kang Song. "Comparative Study of Pretreatment and Maturing Methods on the Preparation of Cellulose/Magnetic Nanocomposites." Advanced Materials Research 239-242 (May 2011): 175–81. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.175.

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Cellulose/magnetic nanocomposites were prepared by an ultrasound-assisted in-situ composition using cellulose fibers as matrices. The effects of pretreatment and maturing method on the composite efficiency were comparatively studied. Firstly the effects of ultrasound wave and mercerization pretreatment on the composite efficiency were investigated. Then the influences of ultrasound-assisted maturing on the composite efficiency were also discussed. Finally the nanocomposites’ structures were investigated by means of SEM, AFM and X-ray diffraction and the magnetic properties of the nanocomposite
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24

Sakakura, Hibiki, Shintaro Matai, and Mahoto Takeda. "Spontaneous Microstructural Evolution and Magnetic Properties of Nano-Scale Particles Comprising Ferromagnetic Element Atoms in Cu-Ni-Fe and Cu-Ni-Co Alloys." Materials Science Forum 941 (December 2018): 1222–27. http://dx.doi.org/10.4028/www.scientific.net/msf.941.1222.

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Nano-scale granular magnetic material is a core component in next-generation recording devices. We investigated the influences of element species and composition of ferromagnetic atoms in copper-nickel base nanogranular magnetic materials. In this work, the authors focused on how microstructural evolution and magnetic properties are correlated in Cu-20at%Ni, Cu-15at%Ni-5at%Co and Cu-15at%Ni-5at%Fe alloys. We used Magneto-thermogravimetry (MTG), superconducting quantum interference device (SQUID) magnetometry and first-principles calculations based on the method of Koster-Korringa-Rostker (KKR)
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25

Cho, Ethan Y., Hao Li, Jay C. LeFebvre, Yuchao W. Zhou, R. C. Dynes, and Shane A. Cybart. "Direct-coupled micro-magnetometer with Y-Ba-Cu-O nano-slit SQUID fabricated with a focused helium ion beam." Applied Physics Letters 113, no. 16 (2018): 162602. http://dx.doi.org/10.1063/1.5048776.

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26

Silva, Simone S., Joana M. Gomes, Luísa C. Rodrigues, and Rui L. Reis. "Marine-Derived Polymers in Ionic Liquids: Architectures Development and Biomedical Applications." Marine Drugs 18, no. 7 (2020): 346. http://dx.doi.org/10.3390/md18070346.

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Marine resources have considerable potential to develop high-value materials for applications in different fields, namely pharmaceutical, environmental, and biomedical. Despite that, the lack of solubility of marine-derived polymers in water and common organic solvents could restrict their applications. In the last years, ionic liquids (ILs) have emerged as platforms able to overcome those drawbacks, opening many routes to enlarge the use of marine-derived polymers as biomaterials, among other applications. From this perspective, ILs can be used as an efficient extraction media for polysacchar
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27

Shen, Li-Kuo, Kang-Hsin Fan, Ting-Lin Wu, et al. "Fabrication and magnetic testing of a poly-L-lactide biocomposite incorporating magnetite nanoparticles." Journal of Polymer Engineering 34, no. 3 (2014): 231–35. http://dx.doi.org/10.1515/polyeng-2013-0207.

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Abstract Polylactic acid (PLA)-based composite has been widely used in tissue engineering. To modify the material’s properties, inorganic substances have been used to form nanoparticle-PLA composites. The aim of this study is to develop a novel magnetic biodegradable composite. Nanoscale magnetite (Fe3O4) was incorporated into a poly-L-lactide (PLLA) matrix with proportions of 0%, 5%, 10%, and 15% (w/w). Injection molding was carried out to produce the nano-magnetite-PLLA composite samples. X-ray diffraction (XRD), differential scanning calorimetry (DSC), superconducting quantum device (SQUID)
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28

Tseng, W. K., J. J. Chieh, S. Y. Yang, et al. "In-Vivo and Fast Examination of Iron Concentration of Magnetic Nano-Particles in an Animal Torso via Scanning SQUID Biosusceptometry." IEEE Transactions on Applied Superconductivity 21, no. 3 (2011): 2250–53. http://dx.doi.org/10.1109/tasc.2011.2107871.

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29

Meyer-Rochow, Victor Benno, and Ilkka Miinalainen. "Squid sucker teeth and cocoons of a terrestrial flatworm: amino acid content of two nano-structurally identical tissues in phylogenetically unrelated taxa." Zoology 140 (June 2020): 125798. http://dx.doi.org/10.1016/j.zool.2020.125798.

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30

Hasan, Samiul, R. A. Mayanovic, and Mourad Benamara. "Synthesis and Characterization of Novel Inverted NiO@NixMn1-xO Core-Shell Nanoparticles." MRS Advances 2, no. 56 (2017): 3465–70. http://dx.doi.org/10.1557/adv.2017.445.

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ABSTRACTMagnetic core-shell nanoparticles have the potential for numerous applications, such as in magnetic recording media, magnetic resonance imaging, drug delivery or hyperthermia, and spin valves. Inverse core-shell nanoparticles, comprised of an antiferromagnetic (AFM) core covered by a ferromagnetic (FM) or ferrimagnetic (FiM) shell, are of current interest due to the tunability of their magnetic properties. NiO is typically antiferromagnetic in nature and has a Néel temperature of 523 K. Our primary objective in this project is to synthesize and characterize inverted core-shell nanopart
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31

Liu, Peng Fei, Wen Jun Chen, Jun Jun Li, Ru Long Zhou, and Bo Zhang. "Iron-Based Amorphous Magnetic Properties by Ni Content Tuning and Isothermal Treatment." Materials Science Forum 913 (February 2018): 661–67. http://dx.doi.org/10.4028/www.scientific.net/msf.913.661.

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In this work, we have developed a series of amorphous alloy ribbons of Fe75Co4B13Y4Nb4-xNix(x=0, 0.5, 1, 2, 3 and 4) which were prepared by industrial purity alloy. Besides, the effects of Ni substitution and isothermal annealing on the saturation magnetization (Ms) and intrinsic coercive force (jHc) were systematically investigated. The SQUID-VSM data pointed out the Mshas been increased by Ni content addition with largest enhanced by 57 % from 114 emu/g to 180 emu/g. After quickly annealing at the optimal temperature, the Msreached 199 emu/g and jHcdecreased from 50 Oe to 33 Oe. DSC measurem
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32

Luis, Llanquileo, Gamboa Alexander, Abugoch Lilian та Tapia Cristian. "Manufacture of β-chitin nano- and microparticles from jumbo squid pen (Dosidicus gigas) and evaluation of their effect on mechanical properties and water vapour permeability of polyvinyl alcohol/chitosan films". Journal of Food Engineering 290 (лютий 2021): 110230. http://dx.doi.org/10.1016/j.jfoodeng.2020.110230.

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33

Ning Wang, Yirong Jin, Fengying Jiang, et al. "Ultra-Low-Field MRI and Spin-Lattice Relaxation Time of $^{1}\hbox{H}$ in the Presence of $\hbox{Fe}_{3}\hbox{O}_{4}$ Magnetic Nano-Particles Detected With a High-$T_{\rm C}$ DC-SQUID." IEEE Transactions on Applied Superconductivity 23, no. 3 (2013): 1602504. http://dx.doi.org/10.1109/tasc.2013.2238573.

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34

Matai, Shintaro, Hibiki Sakakura, and Mahoto Takeda. "Relationship between Microstructure and Magnetic Properties of Nano-Scale Particles Formed in Cu-Ni-(FeCo) Alloys." Materials Science Forum 941 (December 2018): 1324–29. http://dx.doi.org/10.4028/www.scientific.net/msf.941.1324.

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Numerous studies have been conducted to develop next-generation recording technology in spintronics. Because ultrafine magneitc particles are vital components of the technology, the interplay between the microsturcture and magnetic properties has attracted attention extensively in recent years. We focused on the relationship between the microstructure and magnetic properties of Cu-Ni-X (X=Fe, Co, FeCo) alloys comprising nanogranular magnetic particles. In this work, we prepared Cu-20 at% Ni-5 at% (FeCo), Cu-20 at% Ni-5 at% Fe, Cu-20 at% Ni-5 at% Co and examined the changes of microstructure an
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35

Sharon, Omri J., Avner Shaulov, Jorge Berger, Amos Sharoni, and Yosef Yeshurun. "Current-induced SQUID behavior of superconducting Nb nano-rings." Scientific Reports 6, no. 1 (2016). http://dx.doi.org/10.1038/srep28320.

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36

Shibata, Yusuke, Shintaro Nomura, Hiromi Kashiwaya, Satoshi Kashiwaya, Ryosuke Ishiguro, and Hideaki Takayanagi. "Imaging of current density distributions with a Nb weak-link scanning nano-SQUID microscope." Scientific Reports 5, no. 1 (2015). http://dx.doi.org/10.1038/srep15097.

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37

Sriram, D., R. L. Snyder, and V. R. W. Amarakoon. "Nanophase Copper Ferrite Using an Organic Gelation Technique." MRS Proceedings 457 (1996). http://dx.doi.org/10.1557/proc-457-81.

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ABSTRACTNanocrystalline copper ferrite (Cu0.5Fe2.5O4) was synthesized using a forward strike gelation method with polyacrylic acid (PAA) as a gelating agent. The dried gel was calcined at a low temperature of 400 °C to get the final powder. The effect of pH and the ratio of the cation to the carboxylic group in the initial gel were studied with respect to both the phases and the crystallite size of the final powders synthesized. Phase and crystallite size analysis were done using x-ray diffraction and TEM. Saturation magnetization results were obtained using a SQUID magnetometer. The reactions
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38

Kennedy, O. W., J. Burnett, J. C. Fenton, et al. "Tunable Nb Superconducting Resonator Based on a Constriction Nano-SQUID Fabricated with a Ne Focused Ion Beam." Physical Review Applied 11, no. 1 (2019). http://dx.doi.org/10.1103/physrevapplied.11.014006.

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39

Julien, Christian M., Alain Mauger, Karim Zaghib, and François Gendron. "High Performance of Lithium Iron Phosphates for HEV with Quality Control Made by Magnetometry." MRS Proceedings 973 (2006). http://dx.doi.org/10.1557/proc-0973-bb05-03.

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ABSTRACTOptimized LiFePO4 positive electrode for Li-ion batteries was obtained after severe control of the fundamental properties of material. The nanoscopic structure and magnetic properties of a series of carbon-coated LiFePO4 particles prepared under various conditions were analyzed with XRD, FTIR, Raman and SQUID magnetometry. We evaluate intrinsic and extrinsic properties. The existence of low content of nano-sized ferromagnetic particles was evidenced by magnetic measurements in samples grown from iron(II) oxalate; such ferromagnetic clusters do not exist in the optimised samples grown f
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40

Sun, Xiang-Cheng, Xinglong Dong, J. A. Toledo, and M. J. Yacaman. "Superparamagnetism and Microstructural Properties of Carbon Encapsulated Ni nanoparticle Assemblies." MRS Proceedings 676 (2001). http://dx.doi.org/10.1557/proc-676-y7.2.

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ABSTRACTCarbon encapsulated Ni nanoparticles (Ni(C)) were synthesized by modified arc-discharge reactor under methane atmosphere. The presence of carbon encapsulation is confirmed by HR-TEM imaging, and Nano-diffraction. The average particle radius is typically 10.5 nm with spherical shape. The intimate and contiguous carbon fringe around these Ni nanoparticles is good evidence for complete encapsulation by carbon shell layers.Superparamagnetic property studies were performed using SQUID magnetometer for the assemblies of Ni(C) nanoparticles. The blocking temperature (TB) is determined to arou
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41

Gabryelczyk, Bartosz, Hao Cai, Xiangyan Shi, et al. "Hydrogen bond guidance and aromatic stacking drive liquid-liquid phase separation of intrinsically disordered histidine-rich peptides." Nature Communications 10, no. 1 (2019). http://dx.doi.org/10.1038/s41467-019-13469-8.

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AbstractLiquid-liquid phase separation (LLPS) of intrinsically disordered proteins (IDPs) is involved in both intracellular membraneless organelles and extracellular tissues. Despite growing understanding of LLPS, molecular-level mechanisms behind this process are still not fully established. Here, we use histidine-rich squid beak proteins (HBPs) as model IDPs to shed light on molecular interactions governing LLPS. We show that LLPS of HBPs is mediated though specific modular repeats. The morphology of separated phases (liquid-like versus hydrogels) correlates with the repeats’ hydrophobicity.
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42

Morosh, V., J. Linek, B. Müller, et al. "Transport and Noise Properties of sub-100-nm Planar Nb Josephson Junctions with Metallic Hf - Ti Barriers for nano-SQUID Applications." Physical Review Applied 14, no. 5 (2020). http://dx.doi.org/10.1103/physrevapplied.14.054072.

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43

Hui, Shiqiang, Mingzhong Wu, Shihui Ge, et al. "Synthesis and Characterization of Structure Controlled Nano-cobalt Particles." MRS Proceedings 755 (2002). http://dx.doi.org/10.1557/proc-755-dd5.20.

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ABSTRACTNanostructured cobalt particles with and without a ceramic coating have been synthesized using a wet chemical method. The structure and magnetic properties of synthesized powder were characterized using x-ray diffraction (“XRD”), high-resolution transmission electron microscopy (“HRTEM”), and a Quantum Design (SQUID) magnetometer. The cobalt nanoparticles are of either face-centered cubic (“fcc”) and/or hexagonally close-packed (“hcp”) crystalline structures. The average grain size is ∼14 nm for cobalt (either fcc or hcp) with an amorphous silica coating, and the average grain size is
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44

Pan, Vladimir M., Yuriy V. Cherpak, Ernst A. Pashitskii, and Aleksey V. Semenov. "Nature of High Critical Current Density in Epitaxial Films of HTS YBCO Cuprate and Coated Conductors." MRS Proceedings 946 (2006). http://dx.doi.org/10.1557/proc-0946-hh03-04.

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ABSTRACTCurrently a problem of crystal defects nanoengineering for pinning enhancement is extensively studied. A number of efforts were done to realize nanodot-like and particulate-dispersive pins to enhance pinning and critical current density in high-Tc cuprate films and coating. Sometimes some effect of Jc enhancement was achieved. However it is important to comprehend mechanisms of such an enhancement. It is known the ensemble of random point-like pins with size ro of order of coherence length, xab(T), can provide Jc(77 K) not to exceed 5§¹104 A/cm2. Estimations give the maximum pinning fo
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