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Spintronic logic devices require efficient spin-charge interconversion: converting charge current to spin current and spin current to charge current. In spin-orbit materials that are regarded as the most promising candidate for spintronic…

Materials Science · Physics 2024-01-30 Zixu Wang , Zhizhong Chen , Rui Xu , Hanyu Zhu , Ravishankar Sundararaman , Jian Shi

We report a study of the spin-to-charge current conversion in compressively strained Ge1-xSnx alloy epilayers as a function of the Sn concentration by means of the inverse spin Hall effect (ISHE). The spin current is generated by…

Layered transition-metal tellurides have attracted considerable attention because of their rich physics; for example, tungsten ditelluride WTe2 exhibits extremely large magnetoresistance; the tritelluride ZrTe3 shows a charge density wave…

We have investigated direct and inverse Edelstein effects in a one-atom-layer Tl-Pb compound with a large Rashba-type spin splitting. In spin pumping experiments at room temperature, spin-to-charge conversion voltage due to the inverse…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Y. Shiomi , K. T. Yamamoto , R. Nakanishi , T. Nakamura , S. Ichinokura , R. Akiyama , S. Hasegawa , E. Saitoh

When graphene is placed on a monolayer of semiconducting transition metal dichalcogenide (TMD) its band structure develops rich spin textures due to proximity spin-orbital effects with interfacial breaking of inversion symmetry. In this…

Mesoscale and Nanoscale Physics · Physics 2018-01-03 Manuel Offidani , Mirco Milletarí , Roberto Raimondi , Aires Ferreira

Highly energetic magnetic fluctuations, discovered in high-temperature superconductors (HTSC) by inelastic neutron scattering (INS), are now widely believed to be vital for the superconductivity. In two competing scenarios, they either…

Strongly Correlated Electrons · Physics 2011-12-05 Igor A. Zaliznyak , Zhijun Xu , John M. Tranquada , Genda Gu , Alexei M. Tsvelik , Matthew B. Stone

Properly tuning the Fermi level position in topological insulators is of vital importance to tailor their spin-polarized electronic transport and to improve the efficiency of any functional device based on them. Here we report the full in…

Materials Science · Physics 2023-10-24 E. Longo , L. Locatelli , P. Tsipas , A. Lintzeris , A. Dimoulas , M. Fanciulli , M. Longo , R. Mantovan

In this paper we present spin-to-charge current conversion properties in the Weyl semimetal TaP by means of the inverse Rashba-Edelstein effect (IREE) with the integration of this quantum material with the ferromagnetic metal Permalloy…

Mesoscale and Nanoscale Physics · Physics 2023-02-09 J. B. S. Mendes , R. O. Cunha , S. O. Ferreira , R. D. dos Reis , M. Schmidt , M. Nicklas , S. M. Rezende , A. Azevedo

It is important to spintronics to achieve fully-spin-polarized magnetic materials that are stable and can be easily fabricated. Here, through systematical density-functional-theory investigations, we achieve high and even full spin…

Materials Science · Physics 2017-07-26 Xiang-Bo Xiao , Jun Li , Bang-Gui Liu

Strontium titanate (SrTiO$_3$) two-dimensional electron gases (2DEGs) have broken spatial inversion symmetry and possess a finite Rashba spin-orbit coupling. This enables the interconversion of charge and spin currents through the direct…

Mesoscale and Nanoscale Physics · Physics 2023-10-06 Gabriel Lazrak , Börge Göbel , Agnès Barthélémy , Ingrid Mertig , Annika Johansson , Manuel Bibes

The topological surface states of mercury telluride (HgTe) are studied by ab initio calculations assuming different strains and surface terminations. For the Te-terminated surface, a single Dirac cone exists at the $\Gamma$ point. The Dirac…

Materials Science · Physics 2014-10-31 Shu-Chun Wu , Binghai Yan , Claudia Felser

We report an investigation of the spin- to charge-current conversion in sputter-deposited films of topological insulator $Bi_2Se_{3}$ onto single crystalline layers of YIG $(Y_{3}Fe_{5}O_{12})$ and polycrystalline films of Permalloy $(Py =…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 J. B. S. Mendes , M. Gamino , R. O. Cunha , J. E. Abrão , S. M. Rezende , A. Azevedo

Two-dimensional (2D) chromium telluride Cr2Te3 exhibits strong ferromagnetic ordering with high coercivity at low temperatures and paramagnetic behaviour when approaching room temperature. The spin states of monolayer Cr2Te3 show…

The spin transport and spin-to-charge current conversion properties of bismuth are investigated using permalloy/copper/bismuth (Py/Cu/Bi)lateral spin valve structures. The spin current is strongly absorbed at the surface of Bi, leading to…

We demonstrate that the charge-spin conversion efficiency of topological insulators (TI) can be experimentally determined by injecting spin-polarized tunneling electrons into a TI. Through a comparative study between bismuth selenide and…

Mesoscale and Nanoscale Physics · Physics 2015-10-21 Luqiao Liu , A. Richardella , Ion Garate , Yu Zhu , N. Samarth , Ching-Tzu Chen

Magnetic devices are a leading contender for implementing memory and logic technologies that are nonvolatile, that can scale to high density and high speed, and that do not suffer wear-out. However, widespread applications of magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 A. R. Mellnik , J. S. Lee , A. Richardella , J. L. Grab , P. J. Mintun , M. H. Fischer , A. Vaezi , A. Manchon , E. -A. Kim , N. Samarth , D. C. Ralph

We report experimental investigations of spin-to-charge current conversion and charge transfer dynamics (CT) at the interface of graphene/WS$_2$ van der Waals heterostructure. Pure spin current was produced by the spin precession in the…

Vapor deposited two-dimensional Cr$_{7}$Te$_{8}$ displays unusual temperature dependent Hall effect properties, including a room temperature anomalous Hall effect, sign reversals of the Hall resistivity on cooling, and a peak in the Hall…

Strongly Correlated Electrons · Physics 2026-01-23 K. Guratinder , T. G. Romig , H. C. Mandujano , C. Stock , E. E. Rodriguez

Topological materials with large spin-orbit coupling and immunity to disorder-induced symmetry breaking show great promise for efficiently converting charge to spin. Here, we report that long-range disordered sputtered WTex thin films…

Mesoscale and Nanoscale Physics · Physics 2021-04-21 Xiang Li , Peng Li , Vincent D. -H. Hou , Mahendra DC , Chih-Hung Nien , Fen Xue , Di Yi , Chong Bi , Chien-Min Lee , Shy-Jay Lin , Wilman Tsai , Yuri Suzuki , Shan X. Wang

\b{eta}-PdBi2 has attracted much attention for its prospective ability to possess simultaneously topological surface and superconducting states due to its unprecedented spin-orbit interaction (SOC). Whereas most works have focused solely on…