Showing 121 - 140 results of 140 for search '"Ferromagnetism"', query time: 0.07s Refine Results
  1. 121

    Effect of Cobalt Fillers on Polyurethane Segmentations Investigated by Synchrotron Small Angle X-Ray Scattering by Krit Koyvanich, Chitnarong Sirisathitkul, Supagorn Rugmai

    Published 2013-01-01
    “…In this work, the effect of ferromagnetic cobalt (Co) powders (average diameter 2 μm) on PU synthesized from a reaction between polyether polyol (soft segment) and diphenylmethane-4,4′-diisocyanate (hard segment) was studied with varying loadings (0, 20, 40, and 60 wt.%). …”
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  2. 122

    Controversial Issues of Hydrocarbon Field Formation and the Role of Geomagnetic Fields by Andrey A. Ponomarev, Marsel A. Kadyrov, Yuri V. Vaganov, Valeria A. Cheymetova, Vadim M. Aleksandrov, Aleksandr V. Morev

    Published 2022-01-01
    “…We also present the leading causes of discrete magnetic fields in the sedimentary cover: Earth’s geomagnetic reversals, generation of ferromagnetic minerals in oil deposits, electromechanical effects of rock friction near faults, and intermixing of reservoir waters with different mineralization (spontaneous ion polarization). …”
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  3. 123

    Exploring Structural, Magnetic, and Electric Transport Properties of Sol–Gel Derived Nd0.65Ca0.35MnO3 by Bhupendra Singh, Gaurav Joshi, Sudha Tomar, D. S. Raghav, Raj Kumar, Upendra Kumar, Lalit Kumar

    Published 2025-01-01
    “…The transition from paramagnetic (PM) to ferromagnetic (FM) states is shown by magnetization measurements performed at H = 100 Oe. …”
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  4. 124

    Unveiling pressure-induced anomalous shear behavior and thermoelasticity of α-Fe2O3 hematite at high pressure by Yongtao Zou, Pei Wang, Ying Li, Haiyan Chen, Cangtao Zhou, Tetsuo Irifune

    Published 2025-02-01
    “…Here, we report a pronounced pressure-induced anomaly in the shear behavior of hematite at room temperature and ∼3.5 GPa owing to the (weak)ferromagnetic-to-antiferromagnetic Morin transition driven by pressure and temperature. …”
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  5. 125

    Visualization and research methodology of three-dimensional magnetic field of suspended electromagnetic iron separator with typesetting poles and pole tips by A. V. Radchenko, K. I. Nikitin, A. S. Tatevosyan, R. T. Tazhiyev

    Published 2018-04-01
    “…The mathematical modeling of three-dimensional magnetic field of the suspended electromagnetic iron separator intended for the separation of ferromagnetic objects from bulk non-magnetic materials presents the complicated problem for developers of the magnetic systems of iron separators, because without the acceptance of considerable simplifying assumptions it cannot be taken to the calculation of plane-parallel magnetic field in a piecewise homogeneous medium. …”
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  6. 126

    Heteronuclear Fe-Mn Cyclopentadienyl Complexes Supported on Boehmite. Thermochemistry and Thermodynamics of their Decomposition by A.I. Rustamova, R.M. Muradxanov, S.N. Osmanova, F.K. Pashayeva, A.N. Mammadov, D.B. Tagiyev, E.H. Ismailov

    Published 2024-10-01
    “…However, the electron paramagnetic resonance (EPR) spectra of these samples clearly show intense signals characteristic of superpara/ferromagnetic particles of iron and manganese oxides, as well as EPR signals from isolated Fe3+ substituting Al3+ ions in the aluminum oxide structure. …”
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  7. 127

    Hydrothermal synthesis of pristine nickel diselenide (NiSe2) and Co induced nickel diselenide (NiCoSe2) nanoparticles with enhanced electrochemical behaviour for supercapacitor app... by S. Saranya, S. Suthakaran, S. Dhanapandian, A. Dinesh, Rajendra P. Patil, Manikandan Ayyar, Lalitha Gnanasekaran, S. Santhoshkumar

    Published 2025-01-01
    “…Room temperature hysteresis measurement revealed that the sample is belonging to ferromagnetic nature and the increased saturation magnetization value is due to the synergetic effect of Ni and Co. …”
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  8. 128

    Electronic Structure and Magnetic Coupling of Pure and Mg-Doped KCuF3 by Fausto Cargnoni, Simone Cenedese, Paolo Ghigna, Mario Italo Trioni, Marco Scavini

    Published 2018-01-01
    “…Mg has a very small influence on the ordering of the 3d orbitals of copper and on the Cu-Cu magnetic superexchange parameters but reduces significantly the absolute energy differences between the antiferromagnetic ground state and the ferromagnetic phase, in agreement with the experiment. …”
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  9. 129

    ICEEMDAN–VMD denoising method for enhanced magnetic memory detection signal of micro-defects by Shouhong Ji, Jie Yan, Yang Liu, Guojun He

    Published 2025-02-01
    “…Ferromagnetic materials are extensively utilized in industrial settings where the early detection and repair of defects is paramount for ensuring industrial safety. …”
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  10. 130

    Unlocking the Magnetic and Half-Metallic Properties of AMY2 (A = Cu, Ag; M = Sc, Ti, V, Cr, Mn, Fe; Y = S, Se) Compounds in Chalcopyrite Structure: An Ab Initio Study for Spintroni... by D. Vijayalakshmi, Tholkappiyan Ramachandran, G. Jaiganesh, G. Kalpana, Fathalla Hamed

    Published 2024-01-01
    “…The obtained spin-polarized results confirmed the presence of ferromagnetic and half-metallic (HM) properties in AMY2 compounds (A = Cu, Ag; M = Ti, V, Cr, Mn; Y = S, Se), wherein the HM property is preserved through p-d hybridization of p states of Y (S, Se) atoms with d (t2g) states of M (M = Ti, V, Cr, Mn) atoms, and minimal contribution of −s states of A (A = Cu, Ag) atoms. …”
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  11. 131

    Structural, morphological and biological assessment of magnetic hydroxyapatite with superior hyperthermia potential for orthopedic applications by Smrithi Saroj, U. Vijayalakshmi

    Published 2025-01-01
    “…The magnetic behavior of samples also altered from diamagnetic to ferromagnetic behavior due to the doping of iron with enhanced heating efficiency. …”
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  12. 132

    Field switching of microfabricated metamagnetic FeRh MRI contrast agents by Stephen Dodd, Natalia Gudino, Oleksii Zadorozhnii, Michal Staňo, Jan Hajduček, Jon Ander Arregi, H. Douglas Morris, Vojtěch Uhlíř, Mladen Barbic, Alan P. Koretsky

    Published 2025-01-01
    “…The large first order phase change from antiferromagnetic to ferromagnetic state was characterized using vibrating sample magnetometry, magnetic force microscopy, and MRI. …”
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  13. 133

    A comparative study on spin-to-charge and charge-to-spin conversion using modulated Dirac surface states of Bi2Se3 by Youngmin Lee, Jonghoon Kim, Seungwon Rho, Seok-Bo Hong, Hyeongmun Kim, Jaehan Park, Dajung Kim, Chul Kang, Myung-Ho Bae, Mann-Ho Cho

    Published 2025-01-01
    “…The role of Bi2Se3, which possesses a spin-momentum locked Dirac surface state (DSS), in the CSC and SCC processes is explored using spin-torque ferromagnetic resonance (ST-FMR) and terahertz emission methods, respectively. …”
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  14. 134

    About oxide dispersion particles chemical compatibility with areas coherent dissipation/sub-grains of bcc-alloys in Fe - (Cr, V, Mo, W) systems by Udovsky A., Fabrichnaya O.

    Published 2016-01-01
    “…A concept of partial magnetic moments (PMM) of the iron atoms located in the first ч four coordination spheres (1÷4 CS) for bcc lattice have been introduced based on analysis of results obtained by quantum-mechanical calculations (QMC) for volume dependence of the average magnetic moment ferromagnetic (FM) Fe. The values of these moments have been calculated for pure bcc Fe and bcc - Fe-Cr alloys. …”
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  15. 135

    Progress in Dual (Piezoelectric-Magnetostrictive) Phase Magnetoelectric Sintered Composites by Rashed Adnan Islam, Shashank Priya

    Published 2012-01-01
    “…A trilayer composite was synthesized using pressure-assisted sintering with soft phase [0.9 PZT–0.1 PZN] having grain size larger than 1 μm and soft ferromagnetic phase of composition Ni0.8Cu0.2Zn0.2Fe2O4 [NCZF]. …”
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  16. 136

    Solvothermal synthesis of polyvinyl pyrrolidone encapsulated, amine-functionalized copper ferrite and its use as a magnetic resonance imaging contrast agent. by Fatemeh Heydari, Ágnes M Ilosvai, Noémi Kovács, Domokos Máthé, Ferenc Kristály, Lajos Daróczi, Zoltán Kaleta, Béla Viskolcz, Miklós Nagy, László Vanyorek, László Forgách, Krisztián Szigeti

    Published 2025-01-01
    “…The CuFe2O4-NH2 MW sample displayed superparamagnetic behavior (Ms: 15 emu/g, Mr: 0 emu/g, Hc: 0 Oe), while the CuFe2O4-NH2 Refl. sample exhibited ferromagnetic characteristics (Ms: 40 emu/g, Mr: 1.35 emu/g, Hc: 30 Oe). …”
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  17. 137

    Impact of Mn/Co substitution on magnetoelectric and structural properties of ZnO nanostructures thin films by Ángela P. Lanchero, Lina F. Prieto, Heiddy P. Quiroz, Jorge A. Calderón, A. Dussan, F. Mesa

    Published 2025-02-01
    “…Vibrating sample magnetometry (VSM) demonstrated room-temperature ferromagnetic hysteresis in films synthesized at Ts = 423 K, with Mn (25 W) and Co (50 W) doping. …”
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  18. 138

    High-Coercivity Ferrimagnet Co₂FeO₂BO₃: XMCD Insights into Charge-Ordering and Cation Distribution by Mikhail S. Platunov

    Published 2025-01-01
    “…A complex magnetic structure in Co<sub>2</sub>FeO<sub>2</sub>BO<sub>3</sub>, with infinite Co²⁺O<sub>6</sub> layers in the <b>bc</b>-plane and strong antiferromagnetic coupling through Fe<sup>3</sup>⁺ ions, is suggested by element-selective hysteresis data, which revealed that Co²⁺ ions contribute both antiferromagnetic and ferromagnetic components to the total magnetization. …”
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  19. 139

    Synthesis of Nanocrystalline Mn-Doped Bi<sub>2</sub>Te<sub>3</sub> Thin Films via Magnetron Sputtering by Joshua Bibby, Angadjit Singh, Emily Heppell, Jack Bollard, Barat Achinuq, Sarah J. Haigh, Gerrit van der Laan, Thorsten Hesjedal

    Published 2025-01-01
    “…The films exhibit a ferromagnetic response that depends on the Mn doping concentration, as revealed by X-ray magnetic circular dichroism measurements. …”
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  20. 140

    The Effect of Annealing in a Magnetic Field on the Microstructures and Magnetic Properties of (Nd<sub>0.8</sub>RE<sub>0.2</sub>)<sub>2.2</sub>Fe<sub>12</sub>Co<sub>2</sub>B (RE = L... by Xiaohua Tan, Xuanbo Shi, Shiqi Zhang, Hui Xu

    Published 2024-12-01
    “…In the (Nd<sub>0.8</sub>Ce<sub>0.2</sub>)<sub>2.2</sub>Fe<sub>12</sub>Co<sub>2</sub>B alloy, the concentration of (Fe + Co) of ferromagnetic intergranular phase is increased after magnetic field annealing, resulting in the increase in B<sub>r</sub> and (BH)<sub>max</sub>.…”
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