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Here, we investigate spin Hall angle of Pt in Ni80Fe20/Pt bilayer system by using a broadband spin pumping and inverse spin Hall effect measurement. An out-of-plane excitation geometry with application of external magnetic field…

Materials Science · Physics 2017-09-13 Surbhi Gupta , Rohit Medwal , Daichi Kodama , Kouta Kondou , YoshiChika Otani , Yasuhiro Fukuma

In this work we introduce a new method of a ferromagnetic resonance (FMR) detection from thin, nm-size, films. Our setup is based on the commercial piezo-cantilever, used for atomic force microscopy. It has an option to rotate the sample in…

Strongly Correlated Electrons · Physics 2016-08-24 Alexey Alfonsov , Eiji Ohmichi , Pavel Leksin , Ahmad Omar , Hailong Wang , Sabine Wurmehl , Fengyuan Yang , Hitoshi Ohta

In electromagnetic simulations of magnets and machines one is often interested in a highly accurate and local evaluation of the magnetic field uniformity. Based on local post-processing of the solution, a defect correction scheme is…

Numerical Analysis · Mathematics 2017-02-09 Ulrich Römer , Sebastian Schöps , Herbert De Gersem

Antiferromagnetic materials have great potential for spintronic applications at terahertz (THz) frequencies. However, in contrast to ferromagnets, experimental studies of antiferromagnets are often challenging due to a lack of…

We demonstrate indirect electric-field control of ferromagnetic resonance (FMR) in devices that integrate the low-loss, molecule-based, room-temperature ferrimagnet vanadium tetracyanoethylene (V[TCNE]$_{x \sim 2}$) mechanically coupled to…

Frequent polarization reversals, or spin-flips, of a stored polarized beam in a high energy scattering asymmetry experiments may greatly reduce systematic errors of spin asymmetry measurements. A spin-flipping technique is being developed…

Accelerator Physics · Physics 2009-09-29 B. B. Blinov

We present a study of the Fermi surface of KFe$_2$As$_2$ single crystals. Quantum oscillations were observed in magnetostriction measured down to 50 mK and in magnetic fields $H$ up to 14 T. For $H \parallel c$, the calculated effective…

Superconductivity · Physics 2014-06-30 D. A. Zocco , K. Grube , F. Eilers , T. Wolf , H. v. Löhneysen

We report a comprehensive experimental investigation of orbital-to-charge conversion in metallic and semiconductor materials, emphasizing the fundamental roles of the inverse orbital Hall effect (IOHE) and the inverse orbital Rashba effect.…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 E. Santos , J. L. Costa , R. L. Rodriguez-Suarez , J. B. S. Mendes , A. Azevedo

Spin-orbit torques in ferromagnetic (FM)/non-magnetic (NM) heterostructures offer more energy-efficient means to realize spin-logic devices; however, their strengths are determined by the heterostructure interface. This work examines…

Using heavy quark effective theory a factorized form for inclusive production rate of a heavy meson can be obtained, in which the nonperturbative effect related to the heavy meson can be characterized by matrix elements defined in the heavy…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. P. Ma

Nuclear energy density functional theory (DFT) provides a microscopic approach to describing nuclear masses. By incorporating pairing correlations and deformation within DFT, nuclear masses can be predicted with sub-MeV accuracy. A crucial…

Nuclear Theory · Physics 2025-08-12 Y. Li , E. F. Zhou , J. M. Yao

First-principles density-functional theory calculations show switching magnetization by 90 degree can be achieved in ultrathin BFO film by applying external electric-field. Up-spin carriers appear to the surface with positive field while…

Materials Science · Physics 2013-02-01 Hong-Jian Feng

High-frequency ($f$ = 190 GHz) electron paramagnetic resonance (EPR) at magnetic fields up to 12 T as well as Q-band ($f$ = 34.1 GHz) EPR were performed on single crystals of the molecular wheel CsFe$_8$. In this molecule, eight Fe(III)…

Mesoscale and Nanoscale Physics · Physics 2010-09-14 Jan Dreiser , Oliver Waldmann , Graham Carver , Christopher Dobe , Hans-Ulrich Güdel , Høgni Weihe , Anne-Laure Barra

We use neutron scattering to study the electron-doped superconducting NaFe$_{0.985}$Co$_{0.015}$As ($T_c=14$ K), which has co-existing static antiferromagnetic (AF) order ($T_N=31$ K) and exhibits two neutron spin resonances ($E_{r1}\approx…

Superconductivity · Physics 2017-03-29 Weiyi Wang , J. T. Park , Rong Yu , Yu Li , Yu Song , Zongyuan Zhang , Alexandre Ivanov , Jiri Kulda , Pengcheng Dai

Spin-polarized radio frequency (RF) currents and RF-Oersted fields resonantly excite a magnetic vortex core confined in a micron-scale soft magnetic disk. In this study, we measured the rectifying voltage spectra caused by the anisotropic…

Mapping the physical dipolar Hamiltonian of a solid-state network of nuclear spins onto a system of nearest-neighbor couplings would be extremely useful for a variety of quantum information processing applications, as well as NMR structural…

We have studied the spin structure of circular four-electron quantum rings using tunable confinement potentials. The calculations were done using the exact diagonalization method. Our results indicate that ringlike systems can have…

Mesoscale and Nanoscale Physics · Physics 2013-06-25 G. Bårdsen , E. Tölö , A. Harju

Optical spin pumping of color centers in diamond is presently attracting broad interest as a platform for dynamic nuclear polarization at room temperature, but the mechanisms involved in the generation and transport of polarization within…

It has been shown that the spin Hall effect from heavy transition metals can generate sufficient spin-orbit torque and further produce current-induced magnetization switching in the adjacent ferromagnetic layer. However, if the…

Mesoscale and Nanoscale Physics · Physics 2020-04-16 Yan-Ting Liu , Tian-Yue Chen , Tzu-Hsiang Lo , Tsung-Yu Tsai , Shan-Yi Yang , Yao-Jen Chang , Jeng-Hua Wei , Chi-Feng Pai

We present the first implementation and computation of electron spin resonance isotropic hyperfine coupling constants (HFCs) on quantum hardware. As illustrative test cases, we compute the HFCs for the hydroxyl radical (OH$^{\bullet}$),…