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Related papers: Pseudo Spin Valves Using a (112)-textured DO_22 Mn…

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We achieve tunneling spin injection from Co into single layer graphene (SLG) using TiO2 seeded MgO barriers. A non-local magnetoresistance ({\Delta}RNL) of 130 {\Omega} is observed at room temperature, which is the largest value observed in…

Mesoscale and Nanoscale Physics · Physics 2010-11-15 Wei Han , K. Pi , K. M. McCreary , Yan Li , Jared J. I. Wong , A. G. Swartz , R. K. Kawakami

We present a combined theoretical and experimental study of the energetic stability and accessibility of different domain wall spin configurations in mesoscopic magnetic iron rings. The evolution is investigated as a function of the width…

Materials Science · Physics 2016-10-12 Pascal Krautscheid , Robert M. Reeve , Maike Lauf , Benjamin Krüger , Mathias Kläui

We demonstrate spin-valve magnetoresistance with a current-in-plane (CIP) configuration in (Ga,Fe)Sb / InAs (thickness $t_\mathrm{InAs}$ nm) / (Ga,Fe)Sb trilayer heterostructures, where (Ga,Fe)Sb is a ferromagnetic semiconductor (FMS) with…

Materials Science · Physics 2020-09-25 Kengo Takase , Le Duc Anh , Kosuke Takiguchi , Masaaki Tanaka

The dynamic magnetic properties of Full Heusler alloy thin films of Co$_2$FeGe, grown on MgO (001) substrates under different thermal conditions, were investigated. Brillouin light scattering and ferromagnetic resonance measurements…

We experimentally demonstrate magnetostatic coupling between a nanopillar pseudo spin valve structure and a linear array of dipole coupled Permalloy nanomagnets. Using magnetic force microscopy, we study the interaction between the spin…

Mesoscale and Nanoscale Physics · Physics 2013-09-20 Madalina Colci , Mark B. Johnson

We demonstrate electrical spin injection into multilayer graphene (MLG) in a lateral spin valve device from a highly spin-polarized Co2FeSi (CFS) Huesler electrode. Exfoliated MLG was transferred onto pre-patterned epitaxial CFS wires grown…

Spin spirals form inside the magnetic layers of antiferromagnetic and noncollinearly-coupled magnetic multilayers in the presence of an external magnetic field. This spin structure can be modeled to extract the direct exchange stiffness of…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 Elliot Wadge , Afan Terko , George Lertzman-Lepofsky , Paul Omelchenko , Bret Heinrich , Manuel Rojas , Erol Girt

We study the electrical injection and detection of spin accumulation in lateral ferromagnetic metal-nonmagnetic metal-ferromagnetic metal (F/N/F) spin valve devices with transparent interfaces. Different ferromagnetic metals, permalloy…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 F. J. Jedema , M. S. Nijboer , A. T. Filip , B. J. van Wees

Compensated ferrimagnets are promising materials for fast spintronic applications based on domain wall motion as they combine the favourable properties of ferromagnets and antiferromagnets. They inherit from antiferromagnets immunity to…

We have experimentally and theoretically investigated the spin transport in Fe/Mg/MgO/MgAl2O4/n+-Si(001) ferromagnetic tunnel junctions on a Si substrate, by systematically varying the thickness combination of amorphous MgO and MgAl2O4…

Applied Physics · Physics 2025-07-15 Baisen Yu , Shoichi Sato , Masaaki Tanaka , Ryosho Nakane

The spin-transfer torque (STT) in Co2MnSi(CMS)/Al/Co2MnSi spin-valve system with and without interfacial disorder is studied by a first-principles noncollinear wave-function-matching method. It is shown that in the case of clean interface…

Mesoscale and Nanoscale Physics · Physics 2016-01-26 Ling Tang , Zejin Yang

Spin injection efficiency based on conventional and/or half-metallic ferromagnet/semiconductor is greatly limited by the Schmidt obstacle due to conductivity mismatch, here we proposed that by replacing the metallic injectors with spin…

Materials Science · Physics 2015-10-28 G. Z. Xu , X. M. Zhang , Z. P. Hou , Y. Wang , E. K. Liu , X. K. Xi , S. G. Wang , W. Q. Wang , H. Z. Luo , W. H. Wang , G. H. Wu

The resistance of a ferromagnet/superconductor/ferromagnet (F/S/F) spin valve near its superconducting transition temperature, $T_c$, depends on the state of magnetization of the F layers. This phenomenon, known as spin switch effect (SSE),…

Superconductivity · Physics 2009-03-03 J. Zhu , X. Cheng , C. Boone , I. N. Krivorotov

Phenomena originated from spin-orbit interaction, such as magnetic anisotropy (MA), Rashba-type interactions, or topological insulators, have drawn huge attention for its intriguing physics. In particular, the search for a novel…

Materials Science · Physics 2016-02-17 Dorj Odkhuu , Noejung Park

We experimentally investigate magnetoresistance of a single GeTe-Ni junction between the $\alpha$-GeTe topological semimetal and thick nickel film at room and liquid helium temperatures. For the magnetic field parallel to the junction…

Mesoscale and Nanoscale Physics · Physics 2025-05-08 A. A. Avakyants , V. D. Esin , D. Yu. Kazmin , N. N. Orlova , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

Organic spintronic devices have been appealing because of the long spin life time of the charge carriers in the organic materials and their low cost, flexibility and chemical diversity. In previous studies, the control of resistance of…

Magnetic susceptibility, magnetization, specific heat and positive muon spin relaxation (\musr) measurements have been used to characterize the magnetic ground-state of the spinel compound $\rm CuGa_2O_4$. We observe a spin-glass transition…

Perpendicularly magnetized spin injector with high Curie temperature is a prerequisite for developing spin optoelectronic devices on 2D materials working at room temperature (RT) with zero applied magnetic field. Here, we report the growth…

We have studied the interaction between magnetism and superconductivity in a pseudo-spin-valve structure consisting of a Co/Cu/Py/Nb layer sequence. We are able to control the magnetization reversal process and monitor it by means of the…

Superconductivity · Physics 2012-02-06 A. K. Suszka , F. S. Bergeret , A. Berger

Two-dimensional (2D) transition metal di-chalcogenide layers with high electrical conductivity and spin-orbit coupling (SOC) can find huge potential in spintronic devices. With limited success of 2D spin Hall material development, we…

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