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Artykuły w czasopismach na temat „Coupled AFM”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Prater, C. B., M. Lo, Q. Hu, H. Yang, C. Marcott, and K. Kjoller. "Nanoscale Chemical Imaging via AFM coupled IR Spectroscopy." Microscopy and Microanalysis 21, S3 (2015): 1869–70. http://dx.doi.org/10.1017/s1431927615010120.

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Sun, Wendong, Jianqiang Qian, Yingzi Li, et al. "Enhancing higher-order modal response in multifrequency atomic force microscopy with a coupled cantilever system." Beilstein Journal of Nanotechnology 15 (June 17, 2024): 694–703. http://dx.doi.org/10.3762/bjnano.15.57.

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Multifrequency atomic force microscopy (AFM) utilizes the multimode operation of cantilevers to achieve rapid high-resolution imaging and extract multiple properties. However, the higher-order modal response of traditional rectangular cantilever is weaker in air, which affects the sensitivity of multifrequency AFM detection. To address this issue, we previously proposed a bridge/cantilever coupled system model to enhance the higher-order modal response of the cantilever. This model is simpler and less costly than other enhancement methods, making it easier to be widely used. However, previous

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3

Lin, Y., H. Yabuno, X. Liu, Y. Yamamoto, and S. Matsumoto. "Highly sensitive AFM using self-excited weakly coupled cantilevers." Applied Physics Letters 115, no. 13 (2019): 133105. http://dx.doi.org/10.1063/1.5115836.

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Wu, Jianhua, Ying Fang, Dong Yang, and Cheng Zhu. "Thermo-Mechanical Responses of a Surface-Coupled AFM Cantilever." Journal of Biomechanical Engineering 127, no. 7 (2005): 1208–15. http://dx.doi.org/10.1115/1.2073647.

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Atomic force microscopy (AFM) has been widely used for measuring mechanical properties of biological specimens such as cells, DNA, and proteins. This is usually done by monitoring deformations in response to controlled applied forces, which have to be at ultralow levels due to the extreme softness of the specimens. Consequently, such experiments may be susceptible to thermal excitations, manifested as force and displacement fluctuations that could reduce the measurement accuracy. To take advantage of, rather than to be limited by, such fluctuations, we have characterized the thermomechanical r

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5

Hu, Ming, Haiying Wang, Mengfen Xia, Fujiu Ke, and Yilong Bai. "Nonlocality Effect in Atomic Force Microscopy Measurement and Its Reduction by an Approaching Method." Journal of Engineering Materials and Technology 127, no. 4 (2005): 444–50. http://dx.doi.org/10.1115/1.1925290.

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In AFM measurements of surface morphology, the locality is a traditional assumption, i.e., the load recorded by AFM is simply the function of the distance between the tip of AFM and the point on a sample right opposite the tip [Giessibl, F. J., 2003, “Advances in Atomic Force Microscopy,” Rev. Mod. Phys., 75, pp. 949–983]. This paper presents that nonlocality effect may play an important role in atomic force microscopic (AFM) measurement. The nonlocality of AFM measurement results from two different finite scales: the finite scale of the characteristic intermolecular interaction distance and t

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6

Maiti, Debasmita, Dayasindhu Dey, and Manoranjan Kumar. "Study of Interacting Heisenberg Antiferromagnet Spin-1/2 and 1 Chains." Condensed Matter 8, no. 1 (2023): 17. http://dx.doi.org/10.3390/condmat8010017.

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Haldane conjectures the fundamental difference in the energy spectrum of the Heisenberg antiferromagnetic (HAF) of the spin S chain is that the half-integer and the integer S chain have gapless and gapped energy spectrums, respectively. The ground state (gs) of the HAF spin-1/2 and spin-1 chains have a quasi-long-range and short-range correlation, respectively. We study the effect of the exchange interaction between an HAF spin-1/2 and an HAF spin-1 chain forming a normal ladder system and its gs properties. The inter-chain exchange interaction J⊥ can be either ferromagnetic (FM) or antiferrom

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7

Lin, Shueei-Muh, Che-Lun Tsai, and Hung-Chang Lee. "Measurement Error of a Coupled AFM Probe-Elastic Membrane System." Mathematical Problems in Engineering 2018 (September 2, 2018): 1–12. http://dx.doi.org/10.1155/2018/2789684.

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The characteristic of an AFM probe scanning the topography on an elastic substrate is investigated. It is different to the conventional rigid substrate. The analytical solution of the novel system is presented. For an elastic substrate the errors of frequency shift determined by using the force gradient methods and the perturbation method are satisfactory only for larger tip-surface distances. The smaller the interacting distance is, the larger the measurement error due to the amplitude of membrane is.

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8

Bu, Lingli, Tao Luo, Jiangyu Yan, Guorui Li, and Jing Huang. "Single-molecule analysis of genome-wide DNA methylation by fiber FISH coupled with atomic force microscopy." Analyst 147, no. 8 (2022): 1559–66. http://dx.doi.org/10.1039/d2an00216g.

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A straightforward single-molecule approach was developed for identifying whole-genome DNA methylation through fiber-FISH coupled with AFM. This method has advantages of low DNA input, reproduction, long reads and low cost.

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9

Stylianou, Andreas, Stylianos-Vasileios Kontomaris, Colin Grant, and Eleni Alexandratou. "Atomic Force Microscopy on Biological Materials Related to Pathological Conditions." Scanning 2019 (May 12, 2019): 1–25. http://dx.doi.org/10.1155/2019/8452851.

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Atomic force microscopy (AFM) is an easy-to-use, powerful, high-resolution microscope that allows the user to image any surface and under any aqueous condition. AFM has been used in the investigation of the structural and mechanical properties of a wide range of biological matters including biomolecules, biomaterials, cells, and tissues. It provides the capacity to acquire high-resolution images of biosamples at the nanoscale and allows at readily carrying out mechanical characterization. The capacity of AFM to image and interact with surfaces, under physiologically relevant conditions, is of

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10

Gallegos-Orozco, Verónica, Audel Santos-Beltrán, Miriam Santos-Beltrán, et al. "AFM Analyses of 3XXX Series Al Alloy Reinforced with Different Hard Nanoparticles Produced in Liquid State." Materials 13, no. 2 (2020): 272. http://dx.doi.org/10.3390/ma13020272.

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In the present work, nanocomposites-based 3XXX series Al alloy with three different types of hard nanoparticles, including TiO2, C, and CeO2, were produced employing two techniques such as mechanical milling and stir-casting method in order to evaluate the viability of integration of the reinforcement in the Al matrix. The integration and dispersion capability of the reinforcement into the Al alloy (3xxx Series) matrix was evaluated, using a phase angle difference and surface roughness analyses by atomic force microscopy operated in both the contact mode (CM-AFM) and tapping mode (TM-AFM), res

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11

Dou, Zhipeng, Jianqiang Qian, Yingzi Li, et al. "Enhancing higher-order eigenmodes of AFM using bridge/cantilever coupled system." Micron 150 (November 2021): 103147. http://dx.doi.org/10.1016/j.micron.2021.103147.

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12

Bröhl, K., S. Di Nunzio, F. Schreiber, Th Zeidler, and H. Zabel. "Anisotropy studies of AFM coupled MBE grown Co/Cu(001) superlattices." Journal of Applied Physics 75, no. 10 (1994): 6184–86. http://dx.doi.org/10.1063/1.355450.

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13

Nakhowong, R., Toemsak Srikhirin, and Tanakorn Osotchan. "Surface Treatment of Polystyrene Films with Inductively Coupled Plasma System." Advanced Materials Research 55-57 (August 2008): 753–56. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.753.

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The surface of polystyrene (PS) thin films in argon plasma was modified to study the hydrophilicity properties. An inductively coupled plasma (ICP) system was used to generate the argon plasma. In the experiment, the effect of RF power levels, gas flow rate and treatment time was investigated. The surface morphology of PS films was examined by the atomic force microscopy (AFM), also the contact angle goniometry was used for measuring the wettability of PS films before and after plasma treatment. After the plasma treatment, AFM images of PS revealed the increasing of the surface roughness as in

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14

Dai, Gao Liang, F. Pohlenz, H. U. Danzebrink, and L. Koenders. "Dimensional Measurements for Micro- and Nanotechnology." Key Engineering Materials 381-382 (June 2008): 7–10. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.7.

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Metrology plays an important role in the development and commercialisation of micro and nanotechnology. For calibrating versatile micro- and nanoscale standards, a dimensional metrology instrument coupled with multi sensor heads including atomic force microscope (AFM), tactile stylus, laser focus sensor and assembled cantilever probes (ACPs) has been developed. Two kinds of ACPs are highlighted in the paper. One is fabricated by gluing a vertical AFM cantilever to a horizontal AFM cantilever using micro assembling techniques. It is applicable for direct and non-destructive measurements of side

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15

Waeytens, Jehan, Vincent Van Hemelryck, Ariane Deniset-Besseau, Jean-Marie Ruysschaert, Alexandre Dazzi, and Vincent Raussens. "Characterization by Nano-Infrared Spectroscopy of Individual Aggregated Species of Amyloid Proteins." Molecules 25, no. 12 (2020): 2899. http://dx.doi.org/10.3390/molecules25122899.

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Amyloid fibrils are composed of aggregated peptides or proteins in a fibrillar structure with a higher β-sheet content than in their native structure. To characterize them, we used an innovative tool that coupled infrared spectroscopy with atomic force microscopy (AFM-IR). With this method, we show that we can detect different individual aggregated species from oligomers to fibrils and study their morphologies by AFM and their secondary structures based on their IR spectra. AFM-IR overcomes the weak spatial resolution of usual infrared spectroscopy and achieves a resolution of ten nanometers,

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16

Jalili, Nader, Mohsen Dadfarnia, and Darren M. Dawson. "A Fresh Insight Into the Microcantilever-Sample Interaction Problem in Non-Contact Atomic Force Microscopy." Journal of Dynamic Systems, Measurement, and Control 126, no. 2 (2004): 327–35. http://dx.doi.org/10.1115/1.1767852.

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The atomic force microscope (AFM) system has evolved into a useful tool for direct measurements of intermolecular forces with atomic-resolution characterization that can be employed in a broad spectrum of applications. The non-contact AFM offers unique advantages over other contemporary scanning probe techniques such as contact AFM and scanning tunneling microscopy, especially when utilized for reliable measurements of soft samples (e.g., biological species). Current AFM imaging techniques are often based on a lumped-parameters model and ordinary differential equation (ODE) representation of t

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17

Lee, Jisu. "Amphi-Funtional Mediator for Proton-Coupled Electron Transfer in Low-Voltage Electrocatalytic-Hydrogenation." ECS Meeting Abstracts MA2024-02, no. 42 (2024): 2866. https://doi.org/10.1149/ma2024-02422866mtgabs.

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Within renewable energy systems, proton exchange membrane (PEM) electrolyzer relies on multiple proton-coupled electron transfer (PCET) reaction on heterogeneous catalyst surface. In PEM electrolyzer, the catalytic process of hydrogen adsorption through Volmer reaction, involving the combination of a proton and an electron on surface, holds significance. Recent attention has been focused on optimizing the proton and an electron coupling by lowering the activation barrier and driving force of the hydrogen adsorption reaction. This focus is primarily on the cathodic part, involving hydrogen evol

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18

Lin, Shueei-Muh, and Wen-Rong Wang. "Frequency shifts and analysis of AFM accompanying with coupled flexural–torsional motions." International Journal of Solids and Structures 46, no. 24 (2009): 4231–41. http://dx.doi.org/10.1016/j.ijsolstr.2009.08.016.

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Raiteri, Roberto, Guido Caluori, Mariateresa Tedesco, Henry Hermel Andrade Caicedo, and Christopher W. Ward. "A Novel AFM-Based Technique for Measuring Coupled Phenomena in Cardiac Myocytes." Biophysical Journal 108, no. 2 (2015): 168a. http://dx.doi.org/10.1016/j.bpj.2014.11.926.

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20

Rieu, Jean-Paul, Frédéric Ronzon, Christophe Place, Fairouz Dekkiche, Benjamin Cross, and Bernard Roux. "Insertion of GPI-anchored alkaline phosphatase into supported membranes: a combined AFM and fluorescence microscopy study." Acta Biochimica Polonica 51, no. 1 (2004): 189–97. http://dx.doi.org/10.18388/abp.2004_3610.

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A new method based on combined atomic force microscopy (AFM) and fluorescence microscopy observations, is proposed to visualize the insertion of glycosylphosphatidyl inositol (GPI) anchored alkaline phosphatase from buffer solutions into supported phospholipid bilayers. The technique involves the use of 27 nm diameter fluorescent latex beads covalently coupled to the amine groups of proteins. Fluorescence microscopy allows the estimation of the relative protein coverage into the membrane and also introduces a height amplification for the detection of protein/bead complexes with the AFM. The co

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21

Kim, Kwanlae. "Advances in Atomic Force Microscopy for the Electromechanical Characterization of Piezoelectric and Ferroelectric Nanomaterials." Korean Journal of Metals and Materials 60, no. 9 (2022): 629–43. http://dx.doi.org/10.3365/kjmm.2022.60.9.629.

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Given the social demand for self-powering wearable electronics, it is necessary to develop composite materials that exhibit both good flexibility and excellent piezoelectric performances. Intensive research on synthesis methods and devising characterization techniques for piezoelectric nanomaterials in various forms has been conducted. In particular, characterization techniques for piezoelectric nanomaterials require different approaches from those for conventional bulk materials. Atomic force microscopy (AFM)-based characterization techniques work based on the local physical interactions betw

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22

IWATA, Futoshi, and Tatsuo USHIKI. "Development of Nano-manipulator based on An Atomic Force Microscopy coupled with a Haptic Device." Journal of The Institute of Electrical Engineers of Japan 134, no. 12 (2014): 812–15. http://dx.doi.org/10.1541/ieejjournal.134.812.

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Voicu, Georgeta, Andreea C. Didilescu, Andrei B. Stoian, Cristina Dumitriu, Maria Greabu, and Mihai Andrei. "Mineralogical and Microstructural Characteristics of Two Dental Pulp Capping Materials." Materials 12, no. 11 (2019): 1772. http://dx.doi.org/10.3390/ma12111772.

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This paper aims to investigate the composition, surface, and microstructural characteristics, and bioactivity of two commercially available pulp capping materials known as TheraCal LC and BIO MTA+. The materials were prepared as cylindrical samples and assessed by X-ray diffraction (XRD) and complex thermal analysis for mineralogical characterization, and by scanning electron microscopy (SEM) coupled with energy dispersive of X-ray (EDX), Fourier-Transformed Infrared Spectroscopy (FT-IR), and atomic force microscopy (AFM) for microstructural and surface characteristics. The in vitro bioactivit

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Zaske, Ana-María, Delia Danila, Michael C. Queen, Eva Golunski, and Jodie L. Conyers. "Biological Atomic Force Microscopy for Imaging Gold-Labeled Liposomes on Human Coronary Artery Endothelial Cells." Journal of Pharmaceutics 2013 (February 21, 2013): 1–8. http://dx.doi.org/10.1155/2013/875906.

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Although atomic force microscopy (AFM) has been used extensively to characterize cell membrane structure and cellular processes such as endocytosis and exocytosis, the corrugated surface of the cell membrane hinders the visualization of extracellular entities, such as liposomes, that may interact with the cell. To overcome this barrier, we used 90 nm nanogold particles to label FITC liposomes and monitor their endocytosis on human coronary artery endothelial cells (HCAECs) in vitro. We were able to study the internalization process of gold-coupled liposomes on endothelial cells, by using AFM.

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Ishisaki, Itsuhachi, Yuya Ohashi, Tatsuo Ushiki, and Futoshi Iwata. "Nanomanipulator Based on a High-Speed Atomic Force Microscopy." Key Engineering Materials 516 (June 2012): 396–401. http://dx.doi.org/10.4028/www.scientific.net/kem.516.396.

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We developed a real-time nanomanipulation system based on high-speed atomic force microscopy (HS-AFM). During manipulation, the operation of the manipulation is momentarily interrupted for a very short time for high-speed imaging; thus, the topographical image of the fabricated surface is periodically updated during the manipulation. By using a high-speed imaging technique, the interrupting time could be much reduced during the manipulation; as a result, the operator almost does not notice the blink time of the interruption for imaging during the manipulation. As for the high-speed imaging tec

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Mau, N. Van, V. Vié, L. Chaloin, E. Lesniewska, F. Heitz, and C. Le Grimellec. "Lipid-Induced Organization of a Primary Amphipathic Peptide: A Coupled AFM-Monolayer Study." Journal of Membrane Biology 167, no. 3 (1999): 241–49. http://dx.doi.org/10.1007/s002329900488.

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RAO, B. PURNA CHANDRA, D. JOHN THIRUVADIGAL, SHIVARAMAN RAMASWAMY, and C. GOPALAKRISHNAN. "SYNTHESIS OF CARBON NANOSHEETS AND CARBON NANOPARTICLES BY RF-PLASMA ENHANCED CHEMICAL VAPOR DEPOSITION." International Journal of Nanoscience 08, no. 01n02 (2009): 29–33. http://dx.doi.org/10.1142/s0219581x09005761.

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In this study, thin sheets like carbon nanostructures and carbon nanoparticles have been effectively synthesized with CH 4 and Ar as precursors at low temperature (< 400°C) by inductively coupled radio frequency plasma enhanced chemical vapor deposition on silicon and glass substrates. The surface morphology and chemical composition were studied by atomic force microscopy (AFM), scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD) analysis. AFM studies show that the nanoparticles roughly about 70 to 80 nm in diameter surrounded by nanoshe

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Eslami, Babak, Daniel Ebeling, and Santiago D. Solares. "Trade-offs in sensitivity and sampling depth in bimodal atomic force microscopy and comparison to the trimodal case." Beilstein Journal of Nanotechnology 5 (July 24, 2014): 1144–51. http://dx.doi.org/10.3762/bjnano.5.125.

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This paper presents experiments on Nafion® proton exchange membranes and numerical simulations illustrating the trade-offs between the optimization of compositional contrast and the modulation of tip indentation depth in bimodal atomic force microscopy (AFM). We focus on the original bimodal AFM method, which uses amplitude modulation to acquire the topography through the first cantilever eigenmode, and drives a higher eigenmode in open-loop to perform compositional mapping. This method is attractive due to its relative simplicity, robustness and commercial availability. We show that this tech

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Chan, Feng-Yueh, Ryo Kurosaki, Christian Ganser, Tetsuya Takeda, and Takayuki Uchihashi. "Tip-scan high-speed atomic force microscopy with a uniaxial substrate stretching device for studying dynamics of biomolecules under mechanical stress." Review of Scientific Instruments 93, no. 11 (2022): 113703. http://dx.doi.org/10.1063/5.0111017.

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High-speed atomic force microscopy (HS-AFM) is a powerful tool for studying the dynamics of biomolecules in vitro because of its high temporal and spatial resolution. However, multi-functionalization, such as combination with complementary measurement methods, environment control, and large-scale mechanical manipulation of samples, is still a complex endeavor due to the inherent design and the compact sample scanning stage. Emerging tip-scan HS-AFM overcame this design hindrance and opened a door for additional functionalities. In this study, we designed a motor-driven stretching device to man

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Yu, Ziyang, Chenhuinan Wei, Fan Yi, and Rui Xiong. "Readable High-Speed Racetrack Memory Based on an Antiferromagnetically Coupled Soft/Hard Magnetic Bilayer." Nanomaterials 9, no. 11 (2019): 1538. http://dx.doi.org/10.3390/nano9111538.

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The current-induced domain wall (DW) motion in a racetrack memory with a synthetic antiferromagnets (SAFs) structure has attracted attention because of the ultrahigh velocity of the DW. However, since there is little stray field due to the zero net magnetization in a pair of antiferromagnetically (AFM) coupled domains, how to read the information stored in the pair of domains is still challenging. In the present work, we propose a readable SAF racetrack memory composed of two ferromagnetic (FM) layers with distinct uniaxial-anisotropy constants. As a result, a region of staggered domains forme

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Yadav, Praveen Kumar, Mukund Kumar, Raj Kumar Gupta, Mangalika Sinha, J. A. Chakera, and M. H. Modi. "Refurbishment of an Au-coated toroidal mirror by capacitively coupled RF plasma discharge." Journal of Synchrotron Radiation 26, no. 4 (2019): 1152–60. http://dx.doi.org/10.1107/s1600577519003485.

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Deposition of synchrotron-radiation-induced carbon contamination on beamline optics causes their performance to deteriorate, especially near the carbon K edge. The photon flux losses due to carbon contamination have spurred researchers to search for a suitable decontamination technique to restore the optical surface and retain its performance. Several in situ and ex situ refurbishing strategies for beamline optics are still under development to solve this serious issue. In this work, the carbon contamination is removed from a large (340 mm × 60 mm) Au-coated toroidal mirror surface using a cap

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Shiratsuchi, Yu, Yiran Tao, Kentaro Toyoki, and Ryoichi Nakatani. "Magnetoelectric Induced Switching of Perpendicular Exchange Bias Using 30-nm-Thick Cr2O3 Thin Film." Magnetochemistry 7, no. 3 (2021): 36. http://dx.doi.org/10.3390/magnetochemistry7030036.

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Magnetoelectric (ME) effect is a result of the interplay between magnetism and electric field and now, it is regarded as a principle that can be applied to the technique of controlling the antiferromagnetic (AFM) domain state. The ME-controlled AFM domain state can be read out by the magnetization of the adjacent ferromagnetic layer coupled with the ME AFM layer via exchange bias. In this technique, the reduction in the ME layer thickness is an ongoing challenge. In this paper, we demonstrate the ME-induced switching of exchange bias polarity using the 30-nm thick ME Cr2O3 thin film. Two typic

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Heedy, Sara, Michael Lo, Eoghan Dillon, et al. "Chemical Analysis Below the Diffraction Limit using Infrared-Coupled Atomic Force Microscopy (AFM-IR)." Biophysical Journal 106, no. 2 (2014): 205a. http://dx.doi.org/10.1016/j.bpj.2013.11.1203.

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Wang, X., A. P. Liu, and X. H. Yang. "System design and new applications for atomic force microscope based on tunneling." International Journal of Modern Physics B 29, no. 25n26 (2015): 1542039. http://dx.doi.org/10.1142/s0217979215420394.

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The design of atomic force microscopy (AFM) with high resolution is introduced in this paper. Mainly, we have developed the system design of the apparatus based on tunneling. AFM.IPC-208B, this kind of apparatus combines scanning tunnel microscopy (STM) and AFM availability, and its lens body with original frame enhances the capability of the machine. In order to analyze the performance of AFM.IPC-208B, as a new tool in the field of Life Science, we make use of the system to study natural mica and molecular protein structures of Cattle-insulin and human antibody immunoglobulin G (IgG) coupled

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Teklu, Alem, Canyon Barry, Matthew Palumbo, Collin Weiwadel, Narayanan Kuthirummal, and Jason Flagg. "Mechanical Characterization of Reduced Graphene Oxide Using AFM." Advances in Condensed Matter Physics 2019 (January 2, 2019): 1–13. http://dx.doi.org/10.1155/2019/8713965.

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Nanoindentation coupled with Atomic Force Microscopy was used to study stiffness, hardness, and the reduced Young’s modulus of reduced graphene oxide. Oxygen reduction on the graphene oxide sample was performed via LightScribe DVD burner reduction, a cost-effective approach with potential for large scale graphene production. The reduction of oxygen in the graphene oxide sample was estimated to about 10 percent using FTIR spectroscopic analysis. Images of the various samples were captured after each reduction cycle using Atomic Force Microscopy. Elastic and spectroscopic analyses were performed

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Alyarnezhad, Sabri, Tiziana Marino, Jalal Basiri Parsa, et al. "Polyvinylidene Fluoride-Graphene Oxide Membranes for Dye Removal under Visible Light Irradiation." Polymers 12, no. 7 (2020): 1509. http://dx.doi.org/10.3390/polym12071509.

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In this study, polyvinylidene fluoride (PVDF)-graphene oxide (GO) membranes were obtained by employing triethyl phosphate (TEP) as a solvent. GO nanosheets were prepared and characterized in terms of scanning and transmission electron microscopy (SEM and TEM, respectively), atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), chemical analysis and inductively coupled plasma mass spectroscopy (ICP). Two different phase inversion techniques, Non-Solvent Induced Phase Separation (NIPS) and Vapour-Induced Phase Separation (VIPS)/NIPS, were applied to study the effect of fabricati

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Wang, Congzhou, Christopher J. Ehrhardt, and Vamsi K. Yadavalli. "Single cell profiling of surface carbohydrates on Bacillus cereus." Journal of The Royal Society Interface 12, no. 103 (2015): 20141109. http://dx.doi.org/10.1098/rsif.2014.1109.

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Cell surface carbohydrates are important to various bacterial activities and functions. It is well known that different types of Bacillus display heterogeneity of surface carbohydrate compositions, but detection of their presence, quantitation and estimation of variation at the single cell level have not been previously solved. Here, using atomic force microscopy (AFM)-based recognition force mapping coupled with lectin probes, the specific carbohydrate distributions of N -acetylglucosamine and mannose/glucose were detected, mapped and quantified on single B. cereus surfaces at the nanoscale a

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Xie, Yan Feng, Hong Ying Zhou, Di Zhang, Han Wen Zhang, Yun Cheng Shi, and Ying Guo. "The Effects of Contents of Oxygen in Argon-Oxygen Mixed Gas on Polyethylene Terephthalate (PET) Films by CCP Discharge." Advanced Materials Research 651 (January 2013): 257–62. http://dx.doi.org/10.4028/www.scientific.net/amr.651.257.

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In the present work, Polyethylene terephthalate (PET) films have been exposed to capacitive coupled plasma (CCP) to improve their surface properties for fabricated devices. Contact angle measurements and atomic force microscopy (AFM) showed an increase in surface roughness resulting in the decrease of contact angle. Surface composition and morphology of the films were analyzed by X-ray photoelectron spectroscopy (XPS) and AFM. It was found that the plasma treatment modified the surfaces both in chemical composition and morphology. Change of chemical composition made the polymer surfaces to be

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Zhang, Rui, Mengxue Du, Evgeny Zhuravlev, René Androsch та Christoph Schick. "Surface Crystal Nucleation and Growth in Poly (ε-caprolactone): Atomic Force Microscopy Combined with Fast Scanning Chip Calorimetry". Polymers 13, № 12 (2021): 2008. http://dx.doi.org/10.3390/polym13122008.

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By using an atomic force microscope (AFM) coupled to a fast scanning chip calorimeter (FSC), AFM-tip induced crystal nucleation/crystallization in poly (ε-caprolactone) (PCL) has been studied at low melt-supercooling, that is, at a temperature typically not assessable for melt-crystallization studies. Nanogram-sized PCL was placed on the active/heatable area of the FSC chip, melted, and then rapidly cooled to 330 K, which is 13 K below the equilibrium melting temperature. Subsequent isothermal crystallization at this temperature was initiated by a soft-tapping AFM-tip nucleation event. Crystal

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Lipiec, Ewelina, Francesco S. Ruggeri, Carine Benadiba, et al. "Infrared nanospectroscopic mapping of a single metaphase chromosome." Nucleic Acids Research 47, no. 18 (2019): e108-e108. http://dx.doi.org/10.1093/nar/gkz630.

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Abstract The integrity of the chromatin structure is essential to every process occurring within eukaryotic nuclei. However, there are no reliable tools to decipher the molecular composition of metaphase chromosomes. Here, we have applied infrared nanospectroscopy (AFM-IR) to demonstrate molecular difference between eu- and heterochromatin and generate infrared maps of single metaphase chromosomes revealing detailed information on their molecular composition, with nanometric lateral spatial resolution. AFM-IR coupled with principal component analysis has confirmed that chromosome areas contain

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Schnepf, Max J., Yannic Brasse, Fabian R. Goßler, et al. "Single Particle Spectroscopy of Radiative Processes in Colloid-to-Film-Coupled Nanoantennas." Zeitschrift für Physikalische Chemie 232, no. 9-11 (2018): 1593–606. http://dx.doi.org/10.1515/zpch-2018-1109.

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Abstract We present a fluorescent emitter (rhodamine B) coupled to a dielectric or metallic interface as well as a metallic cavity to study their radiative decay processes. Supported by finite-difference time-domain (FDTD) simulations, we correlate the non-radiative and radiative decay rates with the absorption and scattering cross section efficiencies, respectively. On a single particle level, we use atomic force microscopy (AFM), scanning electron microscopy (SEM), scattering spectroscopy, fluorescence life time imaging (FLIM) and time-correlated single photon counting (TCSPC) to evaluate th

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Andrade, F. A. L., F. V. S. Diniz, S. M. S. B. Martins, L. L. Oliveira, Ana L. Dantas, and A. S. Carriço. "Domain wall depinning from FM/AFM interface defects by spin-polarized current." AIP Advances 12, no. 3 (2022): 035252. http://dx.doi.org/10.1063/9.0000342.

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We report a theoretical investigation of the impact of spin-transfer torque on magnetic head-to-head domain walls of Fe and Ni80Fe20 (Permalloy PyTM) nanowires exchange coupled to a two-sublattice uniaxial antiferromagnetic substrate. Our results indicate that provided the interface exchange interaction is large enough, the domain walls pin to interface defects consisting of steps perpendicular to the easy antiferromagnetic axis, separating terraces with opposite effective interface exchange fields. We also found that the dipolar and interface energies lead to narrow V-shaped domain walls and

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Qiang, B. W., T. Fukasawa, T. Hajiri, T. Ito, T. Hihara, and H. Asano. "Magnetic and transport properties of chiral antiferromagnetic Co_2−xPd_xMo₃N thin films." AIP Advances 13, no. 2 (2023): 025138. http://dx.doi.org/10.1063/9.0000454.

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Hall transport and non-collinear magnetoresistance (NCMR) are studied for a chiral antiferromagnet (AFM) with the filled β-Mn-type structure. Magnetic and transport properties of epitaxial thin films of Co2−xPdxMo3N revealed that, in addition to a canted antiferromagnetic behavior above room temperature, thin films with x = 1.01∼1.38 exhibited a transition to a spin spiral state with a higher magnetic moment below TSR of around 50 K, which was assigned to a spin reorientation transition. The low-temperature phase shows both large anomalous Hall effect (AHE) and topological Hall effect (THE). U

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Ai, Junzhe, and Xingpeng Guo. "AFM and FTIR studies of organic cation adsorption on carbon steel coupled with stainless steel." Surface and Interface Analysis 38, no. 8 (2006): 1218–22. http://dx.doi.org/10.1002/sia.2379.

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Koodathil, Sumangaladevi, Mohammad Qorbani, Septia Kholimatussadiah, Sankar Raman, Li-Chyong Chen, and Kuei-Hsien Chen. "Mapping Local Electrochemical Responses of 2D Tmdcs Using AFM-SECM." ECS Meeting Abstracts MA2025-01, no. 62 (2025): 2979. https://doi.org/10.1149/ma2025-01622979mtgabs.

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Transition metal dichalcogenides (TMDCs) are emerging as promising materials for renewable energy applications due to their unique electronic properties and abundance. However, their electrocatalytic performance is significantly influenced by interfacial factors such as electron transfer kinetics, surface morphology, and strain etc. This study utilizes scanning electrochemical microscopy (SECM) in coupled with atomic force microscopy (AFM) to investigate the local electrocatalytic activity of 2D TMDCs (MoS2 & WSe2). Mapping the electrochemical response and surface topography by AFM-SECM fe

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Bugriĭ, A. I., and V. M. Loktev. "Theory of the magnetic properties of Ising antiferromagnets with antiferromagnetic intrasublattice interaction." Soviet Journal of Low Temperature Physics 13, no. 4 (1987): 232–35. https://doi.org/10.1063/10.0031686.

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The transition in an external magnetic field from the state of a two-sublattice antiferromagnet (AFM) into the paramagnetic (ferromagnetic) state is studied for the example of an exactly solvable model of two coupled chains of Ising spins with competing exchange couplings. It is shown that at low temperatures this transition occurs in two stages via the formation of an equilibrium many-sublattice spin structure, commensurate with the period of the chain, in the endpoint region. The H–T phase diagram of the model studied is constructed.

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Friák, Martin, Martina Mazalová, Ilja Turek, et al. "An Ab Initio Study of Pressure-Induced Changes of Magnetism in Austenitic Stoichiometric Ni2MnSn." Materials 14, no. 3 (2021): 523. http://dx.doi.org/10.3390/ma14030523.

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We have performed a quantum-mechanical study of a series of stoichiometric Ni2MnSn structures focusing on pressure-induced changes in their magnetic properties. Motivated by the facts that (i) our calculations give the total magnetic moment of the defect-free stoichiometric Ni2MnSn higher than our experimental value by 12.8% and (ii) the magnetic state is predicted to be more sensitive to hydrostatic pressures than seen in our measurements, our study focused on the role of point defects, in particular Mn-Ni, Mn-Sn and Ni-Sn swaps in the stoichiometric Ni2MnSn. For most defect types we also com

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Cosentino, Michela, Claudio Canale, Paolo Bianchini, and Alberto Diaspro. "AFM-STED correlative nanoscopy reveals a dark side in fluorescence microscopy imaging." Science Advances 5, no. 6 (2019): eaav8062. http://dx.doi.org/10.1126/sciadv.aav8062.

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It is known that the presence of fluorophores can influence the dynamics of molecular processes. Despite this, an affordable technique to control the fluorophore distribution within the sample, as well as the rise of unpredictable anomalous processes induced by the fluorophore itself, is missing. We coupled a stimulated emission depletion (STED) microscope with an atomic force microscope to investigate the formation of amyloid aggregates. In particular, we studied the in vitro aggregation of insulin and two alloforms of β amyloid peptides. We followed standard methods to induce the aggregation

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Zhao, Ya Ping, Zai Sheng Cai, and Xiao Lan Fu. "Surface Changes after Silver Formation on a Precoated Surface with Polyaniline for Textile Metallization." Advanced Materials Research 441 (January 2012): 304–8. http://dx.doi.org/10.4028/www.scientific.net/amr.441.304.

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Silver (Ag) deposition was performed on a polyaniline-precoated surface for textile metallization. Polyaniline was utilized as an intermediate layer on fabrics to facilitate Ag formation. Inductivily coupled plasma atomic emission spectgrometry (ICP-AES) was used to monitor the content of metallic elements on Ag-laden polyaniline layers prepared under different conditions of polyaniline fomation. The surface modification of the samples before and after Ag plating was characterized by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscop

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Camargo, Samira Esteves Afonso, Tanaya Roy, Xinyi Xia, et al. "Novel Coatings to Minimize Corrosion of Titanium in Oral Biofilm." Materials 14, no. 2 (2021): 342. http://dx.doi.org/10.3390/ma14020342.

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The aim of this work is to investigate the effects produced by polymicrobial biofilm (Porphyromonas gingivalis, Streptococcus mutans, Streptococcus sanguinis, and Streptococcus salivarius) on the corrosion behavior of titanium dental implants. Pure titanium disks were polished and coated with titanium nitride (TiN) and silicon carbide (SiC) along with their quarternized versions. Next, the disks were cultivated in culture medium (BHI) with P. gingivalis, S. mutans, S. sanguinis, and S. salivarius and incubated anaerobically at 37 °C for 30 days. Titanium corrosion was evaluated through surface

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