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Related papers: A Study of Spin-Flipping in Sputtered IrMn using P…

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We report on the longitudinal magnetoresistance (MR) in thin metal films on an Ising-type antiferromagnetic insulator, Na5Co15.5Te6O36 (NCTO). Steep changes in the MR spectra with hysteresis were observed at spin-flip transitions driven by…

Strongly Correlated Electrons · Physics 2026-05-04 Hirotsugu Tagami , Takuya Kawada , Yuki Shiomi

Reliable operation of perpendicular spin-transfer-torque magnetic random-access memory (p-STT-MRAM) requires control of magnetic alignment within the synthetic antiferromagnet (SAF) reference layer. At nanopillar dimensions, however,…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Afan Terko , George Lertzman-Lepofsky , Dieter Suess , Claas Abert , Erol Girt

Antiferromagnetic spintronics is an emerging field; antiferromagnets can improve the functionalities of ferromagnets with higher response times, and having the information shielded against external magnetic field. Moreover, a large list of…

We theoretically studied spin dependent electron transport perpendicular-to-plain (CPP) in magnetic laminated multilayered structures by using Kubo formalism. We took into account not only bulk scattering, but the interface resistance due…

Materials Science · Physics 2009-11-10 A. Vedyayev , I. Zhukov , B. Dieny

We present a theory of the spin Hall magnetoresistance (SMR) in multilayers made from an insulating ferromagnet F, such as yttrium iron garnet (YIG), and a normal metal N with spin-orbit interactions, such as platinum (Pt). The SMR is…

We use neutron scattering to study the spin excitations associated with the stripe antiferromagnetic (AFM) order in semiconducting K$_{0.85}$Fe$_{1.54}$Se$_2$ ($T_N$=$280$ K). We show that the spin wave spectra can be accurately described…

Superconductivity · Physics 2015-06-19 Jun Zhao , Yao Shen , R. J. Birgeneau , Miao Gao , Zhong-Yi Lu , D. -H. Lee , X. Z. Lu , H. J. Xiang , D. L. Abernathy , Y. Zhao

We report magnetization and magetoresistance measurements in hybrid ferromagnetic metal/semiconductor heterostructures comprised of MnAs/(Ga,Mn)As bilayers. Our measurements show that the (metallic) MnAs and (semiconducting) (Ga,Mn)As…

Materials Science · Physics 2010-07-14 M. Zhu , M. J. Wilson , B. L. Sheu , P. Mitra , P. Schiffer , N. Samarth

In this study, we explore the influence of interlayer exchange coupling on magnetization reversal triggered by femtosecond laser pulses in ferromagnetic spin valves. Our experiments, focused on femtosecond laser-induced magnetization…

The energy of exchange coupled antiferromagnetic insulators (AFMIs) is a periodic function of the relative in-plane orientation of the N\'{e}el vector fields. We show that this leads to oscillations in the relative magnetization of exchange…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Yizhou Liu , Gen Yin , Jiadong Zang , Roger Lake , Yafis Barlas

The fundamental excitations in an antiferromagnetic chain of spins-1/2 are spinons, de-confined fractional quasiparticles that when combined in pairs, form a triplet excitation continuum. In an Ising-like spin chain the continuum is gapped…

Strongly Correlated Electrons · Physics 2019-07-10 W. J. Gannon , I. A. Zaliznyak , L. S. Wu , A. E. Feiguin , A. M. Tsvelik , F. Demmel , Y. Qiu , J. R. D. Copley , M. S. Kim , M. C. Aronson

We present the depth-resolved nuclear resonance reflectivity (NRR) studies of the magnetization evolution in [57Fe(3 nm)/Cr(1.2 nm)]*10 multilayer under the applied external field. The measurements have been performed at the station BL09XU…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 M. Andreeva , A. Gupta , G. Sharma , S. Kamali , K. Okada , Y. Yoda

Manipulation of antiferromagnetic (AFM) spins by electrical means is on great demand to develop the AFM spintronics with low power consumption. In spite of the electrical modulation of insulated AFMs through coupling between their intrinsic…

Materials Science · Physics 2015-04-07 Yuyan Wang , Xiang Zhou , Cheng Song , Yinuo Yan , Shiming Zhou , Guangyue Wang , Chao Chen , Fei Zeng , Feng Pan

The propagation of a domain wall in a submicron ferromagnetic spin-valve stripe is investigated using giant magnetoresistance. A notch in the stripe efficiently traps an injected wall stopping the domain propagation. The authors show that…

Materials Science · Physics 2008-04-02 J. Briones , F. Montaigne , Daniel Lacour , M. Hehn , M. J. Carey , J. R. Childress

Magnetic vortex gyration in a 500 nm wide, 50 nm thick Permalloy square platelet was investigated using time-resolved scanning transmission x-ray microscopy and micromagnetic simulations. The response of the vortex core on an in-plane…

We investigated spin injection by spin pumping from a spin-injector(NiFe) into a spin-sink to detect spin fluctuations in the spin-sink. By scanning the ordering-temperature of several magnetic transitions, we found that enhanced spin…

We investigate spin dynamics in $\alpha$-Fe$_{2}$O$_{3}$/Ni$_{80}$Fe$_{20}$ (Py) heterostructures, uncovering a robust mechanism for in-situ modulation of ferromagnetic resonance (FMR) through precise control of temperature, applied…

Spin wave dispersion in the metallic antiferromagnet Mn$_3$Pt was investigated just above the order-order transition temperature by using the inelastic neutron scattering technique. The spin wave dispersion at $T = 400$ K along [100], [110]…

Materials Science · Physics 2017-07-06 Soshi Ibuka , Tetsuya Yokoo , Shinichi Itoh , Kazuya Kamazawa , Mitsutaka Nakamura , Motoharu Imai

We present a multi-frequency Electron Spin Resonance (ESR) study in the range of 4 GHz to 420 GHz of the quasi-one-dimensional, non-dimerized, quarter-filled Mott insulators, delta-(EDT-TTF-CONMe_2)_2X (X=AsF_6, Br). In the high temperature…

Strongly Correlated Electrons · Physics 2010-07-15 Bálint Náfrádi , Areta Olariu , László Forró , Cécile Mézière , Patrick Batail , András Jánossy

The interplay of massive electrons with spin-orbit coupling in bulk graphene results in a spin-valley dependent gap. Thus, a barrier with such properties can act as a filter, transmitting only opposite spins from opposite valleys. In this…

Mesoscale and Nanoscale Physics · Physics 2014-07-25 Marko M. Grujić , Milan Ž. Tadić , François M. Peeters

A "spin-flip transistor" is a lateral spin valve consisting of ferromagnetic source drain contacts to a thin-film normal-metal island with an electrically floating ferromagnetic base contact on top. We analyze the \emph{dc}-current-driven…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Xuhui Wang , Gerrit E. W. Bauer , Axel Hoffmann
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