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相关论文: Field induced spin reorientation in [Fe/Cr]n multi…

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We present x-ray resonant magnetic reflectivity (XRMR) as a very sensitive tool to detect proximity induced interface spin polarization in Pt/Fe, Pt/Ni$_{33}$Fe$_{67}$, Pt/Ni$_{81}$Fe$_{19}$ (permalloy), and Pt/Ni bilayers. We demonstrate…

The nuclear magnetic resonance (NMR) spectrum of spin-3/2 nuclei in a static magnetic field aligned with one of the electric field gradient (EFG) principal axes is developed analytically, based on fictitious spin-1/2 formalism. Compact…

超导电性 · 物理学 2024-12-17 Jaafar N. Ansari , Karen L. Sauer

The isotope selective grazing-incidence nuclear resonance scattering (GI-NRS) technique is demonstrated to be depth-resolved under x-ray standing wave (XSW) conditions to probe the magnetism of the two interfaces of the Fe layers (Fe-on-Tb…

材料科学 · 物理学 2024-12-25 Dileep Kumar

Final report for a Deutsche Forschungsgemeinschaft, Eigenestelle Grant, summarizing work mainly on uniaxial-pressure-dependent nuclear magnetic resonance (NMR) investigations of BaFe$_2$As$_2$. We have conducted systematic $^{75}$As NMR…

强关联电子 · 物理学 2025-03-24 Adam P. Dioguardi

The neutron resonance spin echo (NRSE) technique has the potential to increase the Fourier time and energy resolution in neutron scattering by using radio-frequency (rf) neutron spin-flippers. However, aberrations arising from variations in…

仪器与探测器 · 物理学 2023-03-15 Stephen J. Kuhn , Sam McKay , Fankang Li , Robert M. Dalgliesh , Eric Dees , Kaleb Burrage , Jiazhou Shen , Roger Pynn

We observe nuclear magnetic resonance (NMR) in the fractional quantum Hall regime at Landau level filling factor $\nu=2/3$ from simultaneous measurement of longitudinal resistance and photoluminescence (PL). The dynamic nuclear spin…

介观与纳米尺度物理 · 物理学 2016-08-11 K. Akiba , K. Nagase , Y. Hirayama

We report depth-resolved measurements of the Meissner screening profile in several surface-treated Nb samples using low-energy muon spin rotation (LE-$\mu$SR). In these experiments, implanted positive muons, whose stopping depths below Nb's…

Magnetism-driven nonrelativistic spin splittings (NRSS) are promising for highly efficient spintronics applications. Although 2D centrosymmetric (in four-dimensional spacetime) antiferromagnets are abundant, they have not received extensive…

材料科学 · 物理学 2024-04-02 Sajjan Sheoran , Saswata Bhattacharya

We have studied the magnetization depth profiles in a [57Fe(dFe)/Cr(dCr)]x30 multilayer with ultrathin Fe layers and nominal thickness of the chromium spacers dCr 2.0 nm using nuclear resonance scattering of synchrotron radiation. The…

Here we report on a feasibility study aiming to explore the potential of Polarized Neutron Reflectometry (PNR) for detecting the inverse proximity effect in a single superconducting/ferromagnetic bilayer. Experiments, conducted on the…

We report on the use of the polarized $^3$He gas filter and neutron resonant enhancement techniques for the measurement of spin-polarized diffuse neutron scattering due to ferromagnetic domains. A CoO/Co exchange biased bilayer was grown on…

材料科学 · 物理学 2007-05-23 F. Radu , A. Vorobiev , J. Major , H. Humblot , K. Westerholt , H. Zabel

The resonant eigenmodes of a nitrogen-implanted iron {\alpha}'-FeN characterized by weak stripe domains are investigated by Brillouin light scattering and broadband ferromagnetic resonance experiments, assisted by micromagnetic simulations.…

介观与纳米尺度物理 · 物理学 2017-08-15 S. Camara , S. Tacchi , L. -C. Garnier , M. Eddrief , F. Fortuna , G. Carlotti , M. Marangolo

We report 73Ge-NMR and NQR results for ferromagnetic (FM) superconductor URhGe. The magnitude and direction of the internal field, H_int, and parameters of the electric field gradient at the Ge site were determined experimentally. Using…

In the present work, spin orientation and variation of the strength of coupling in [Co/Pt]ML/Fe multilayer have been investigated as a function of the thickness of the Fe layer. [Co/Pt]ML/Fe multilayer has orthogonal anisotropy with the Fe…

Distance measurements via the dipolar interaction are fundamental to the application of nuclear magnetic resonance (NMR) to molecular structure determination, but they only provide information on the absolute distance $r$ and polar angle…

量子物理 · 物理学 2018-10-30 J. Zopes , K. Herb , K. S. Cujia , C. L. Degen

The structural, magnetic, and electronic properties of NdFe$_{0.5}$Mn$_{0.5}$O$_3$ have been studied in detail using bulk magnetization, neutron/x-ray diffraction and first principles density functional theory calculations. The material…

强关联电子 · 物理学 2017-10-25 Ankita Singh , A. Jain , Avijeet Ray , B. Padmanabhan , S. M. Yusuf , T. Maitra , V. K. Malik

We probe the spin dynamics in a thin magnetic film at ferromagnetic resonance by nuclear resonant scattering of synchrotron radiation at the 14.4 keV resonance of $^{57}$Fe. The precession of the magnetization leads to an apparent reduction…

We applied the recently developed technique of force-detected nuclear magnetic resonance (NMR) to observe 71Ga, 69Ga, and 75As in GaAs. The nuclear spin-lattice relaxation time is 21$\pm$5 min for 69Ga at $\sim 5$ K and 4.6 Tesla. We have…

材料科学 · 物理学 2009-11-07 Kent R. Thurber , Lee E. Harrell , Raul Fainchtein , Doran D. Smith

We experimentally image the magnetic precession phase of patterned spin Hall multilayer samples to study the rf driving field vector using time-resolved anomalous Nernst effect (TRANE) microscopy. Our ferromagnetic resonance (FMR)…

材料科学 · 物理学 2016-04-27 Feng Guo , Jason M. Bartell , Gregory D. Fuchs

Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, from drug development to understanding the dynamics in…

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