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Related papers: Giant Spin-to-Charge Conversion by Tailoring Magne…

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Ferroelectric Rashba semiconductors (FERSC) have recently emerged as a promising class of spintronics materials. The peculiar coupling between spin and polar degrees of freedom responsible for several exceptional properties, including…

Materials Science · Physics 2019-07-10 H. Wang , P. Gopal , S. Picozzi , S. Curtarolo , M. Buongiorno Nardelli , J. Slawinska

Disordered topological insulator (TI) films have gained intense interest by benefiting from both the TIs exotic transport properties and the advantage of mass production by sputtering. Here, we report on the clear evidence of spin-charge…

The spin-momentum locking of surface states in topological quantum materials can produce a resistance that scales linearly with magnetic and electric fields. Such a bilinear magneto-electric resistance (BMER) effect offers a completely new…

The interaction between superconductivity and band topology can lead to various unconventional superconducting (SC) states, and represents a new frontier in condensed matter physics research. Recently, the transition metal dichalcogenide…

The helical Dirac fermions on the surface of topological insulators host novel relativistic quantum phenomena in solids. Manipulating spins of topological surface state (TSS) represents an essential step towards exploring the theoretically…

Mesoscale and Nanoscale Physics · Physics 2019-12-10 Ying-Shuang Fu , T. Hanaguri , K. Igarashi , M. Kawamura , M. S. Bahramy , T. Sasagawa

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

Over the past decade, topological insulators have received enormous attention for their potential in energy-efficient spin-to-charge conversion, enabled by strong spin-orbit coupling and spin-momentum locked surface states. Despite…

Mesoscale and Nanoscale Physics · Physics 2025-02-28 Wenxuan Sun , Yequan Chen , Ruijie Xu , Wenzhuo Zhuang , Di Wang , Long Liu , Anke Song , Guozhong Xing , Yongbing Xu , Rong Zhang , Cui-Zu Chang , Xuefeng Wang

Spin-charge interconversion phenomena at the interface between magnetic materials and topological insulators (TIs) are attracting enormous interest in the research effort towards the development of fast and ultra-low power devices for the…

We report $^{125}$Te NMR measurements of the topological quantum material ZrTe$_5$. Spin-lattice relaxation results, well-explained by a theoretical model of Dirac electron systems, reveal that the topological characteristic of ZrTe$_5$ is…

Materials Science · Physics 2019-11-01 Yefan Tian , Nader Ghassemi , Joseph H. Ross

The ferromagnetic resonance of thin sputtered Ni80Fe20 films grown on Nb is measured. By varying the temperature and thickness of the Nb the role of the superconductivity on the whole ferromagnetic layer in these heterostructures is…

Superconductivity · Physics 2009-11-13 C. Bell , S. Milikisyants , M. Huber , J. Aarts

The process of spin-charge interconversion is critical in modern spintronics. Nonetheless, experiments conducted on a wide variety of magnetic heterostructures consistently report that charge-to-spin and spin-to-charge conversion…

Materials Science · Physics 2025-03-27 Shuyuan Shi , Enlong Liu , Fanrui Hu , Guoyi Shi , Aurelien Manchon , Hyunsoo Yang

Spatial confinement of electronic topological surface states (TSS) in topological insulators poses a formidable challenge because TSS are protected by time-reversal symmetry. In previous works formation of a gap in the electronic spectrum…

The ability to switch magnetic elements by spin-orbit-induced torques has recently attracted much attention for a path towards high-performance, non-volatile memories with low power consumption. Realizing efficient spin-orbit-based…

Materials Science · Physics 2020-07-01 Shiheng Liang , Shuyuan Shi , Chuang-Han Hsu , Kaiming Cai , Yi Wang , Pan He , Yang Wu , Vitor M. Pereira , Hyunsoo Yang

Due to fundamental interest and potential applications in quantum computation, tremendous efforts have been invested to study topological superconductivity. However, bulk topological superconductivity seems to be difficult to realize and…

Topological insulators are quantum materials involving Time-reversal protected surface states(TSS) making them appealing candidates for the design of next generation of highly efficient spintronic devices. The very recent observation of…

Mesoscale and Nanoscale Physics · Physics 2025-01-06 Armando Pezo , Jean-Marie George , Henri Jaffrès

We theoretically propose the long-range spin transport mediated by the gapless surface states of topological Dirac semimetal (TDSM). Low-dissipation spin current is a building block of next-generation spintronics devices. While conduction…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Yasufumi Araki , Takahiro Misawa , Kentaro Nomura

Spin Hall effects have surged as promising phenomena for spin logics operations without ferromagnets. However, the magnitude of the detected electric signals at room temperature in metallic systems has been so far underwhelming. Here, we…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 W. Savero Torres , J. F. Sierra , L. A. Benítez , F. Bonell , M. V. Costache , S. O. Valenzuela

We report on the observation of the spin Seebeck effect in antiferromagnetic MnF$_2$. A device scale on-chip heater is deposited on a bilayer of Pt (4 nm)/MnF$_2$ (110) (30 nm) grown by molecular beam epitaxy on a MgF$_2$ (110) substrate.…

The superposition of flexoelectronic doping and topological phonons give rise to topological electronic magnetism of phonon in an inhomogeneously strained Si in the bilayer structure with metal. In case of ferromagnetic metal and Si bilayer…

Materials Science · Physics 2021-10-12 Ravindra G Bhardwaj , Anand Katailiha , Paul C. Lou , Ward P. Beyermann , Sandeep Kumar

Transition metal dichalcogenides (TMDs) are a novel class of quantum materials with significant potential in spintronics, optoelectronics, valleytronics, and opto-valleytronics. TMDs exhibit strong spin-orbit coupling, enabling efficient…