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相关论文: Two-Dimensional TaSe2 Metallic Crystals: Spin-Orbi…

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Spin-phonon interaction plays an important role in 2D magnetic materials and motivates the development of next-generation spin- and charge-dependent microelectronic devices. Understanding the spin-phonon interaction by tuning the growth…

We calculated the electron mobility of 14 two dimensional semiconductors with composition of MX$_2$, where M (= Mo, W, Sn, Hf, Zr and Pt) is the transition metal, and X is S, Se and Te. We treated the scattering matrix by deformation…

材料科学 · 物理学 2016-10-04 Zhishuo Huang , Wenxu Zhang , Wanli Zhang , Yanrong Li

Recently, the quantum spin Hall effect has been predicted in (111)-oriented thin films of SnSe and SnTe topological crystalline insulators. It was shown that in these films the energy gaps in the two-dimensional band spectrum depend in an…

材料科学 · 物理学 2016-07-20 Shiva Safaei , Marta Galicka , Perla Kacman , Ryszard Buczko

Intrinsic, two-dimensional ferromagnetic semiconductors are an important class of materials for overcoming the limitations of dilute magnetic semiconductors for spintronics applications. CrSiTe$_3$ is a particularly interesting member of…

强关联电子 · 物理学 2015-10-06 T. J. Williams , A. A. Aczel , M. D. Lumsden , S. E. Nagler , M. B. Stone , J. -Q. Yan , D. Mandrus

We have carried out a neutron scattering study of the instantaneous spin-spin correlations in La2CuO4 (T_N = 325 K) over the temperature range 337 K to 824 K. Incident neutron energies varying from 14.7 meV to 115 meV have been employed in…

强关联电子 · 物理学 2009-10-31 R. J. Birgeneau , M. Greven , M. A. Kastner , Y. S. Lee , B. O. Wells , Y. Endoh , K. Yamada , G. Shirane

Two-dimensional (2D) materials with large spin Hall effect (SHE) have attracted significant attention due to their potential applications in next-generation spintronic devices. In this work, we perform high-throughput (HTP) calculations to…

材料科学 · 物理学 2025-09-17 Fu Li , Xiaoxiong Liu , Vikrant Chaudhary , Ruiwen Xie , Chen Shen , Hao Wang , Hongbin Zhang

We report inelastic neutron scattering experiments on single crystals of superconducting Ba0.67K0.33Fe2As2 (Tc = 38 K). In addition to confirming the resonance previously found in powder samples, we find that spin excitations in the normal…

We experimentally confirmed that the spin-orbit lengths of noble metals obtained from weak anti-localization measurements are comparable to the spin diffusion lengths determined from lateral spin valve ones. Even for metals with strong…

介观与纳米尺度物理 · 物理学 2013-01-08 Yasuhiro Niimi , Dahai Wei , Hiroshi Idzuchi , Taro Wakamura , Takeo Kato , YoshiChika Otani

The longitudinal resistivity of two dimensional (2D) electrons placed in strong magnetic field is significantly reduced by applied electric field, an effect which is studied in a broad range of magnetic fields and temperatures in GaAs…

介观与纳米尺度物理 · 物理学 2009-07-20 Jing Qiao Zhang , Sergey Vitkalov , A. A. Bykov

The spin Hall effect (SHE) is an important spintronics phenomenon, which allows transforming a charge current into a spin current and vice versa without the use of magnetic materials or magnetic fields. To gain new insight into the physics…

Charge-to-spin conversion in various material systems is the key for the fundamental understanding of spin-orbitronis as well as the development of efficient means to manipulate the magnetization. We report the direct spatial imaging of…

介观与纳米尺度物理 · 物理学 2018-07-04 Yang Liu , Jean Besbas , Yi Wang , Pan He , Mengji Chen , Dapeng Zhu , Yang Wu , Jong Min Lee , Lan Wang , Jisoo Moon , Nikesh Koirala , Seongshik Oh , Hyunsoo Yang

We present a microscopic theory of spin-orbit coupling in the integer quantum Hall regime. The spin-orbit scattering length is evaluated in the limit of long-range random potential. The spin-flip rate is shown to be determined by rare…

凝聚态物理 · 物理学 2009-10-28 D. G. Polyakov

A normal metallic film sandwiched between two insulators may have strong spin-orbit coupling near the metal-insulator interfaces, even if spin-orbit coupling is negligible in the bulk of the film. In this paper we study two technologically…

介观与纳米尺度物理 · 物理学 2023-07-19 J. Borge , C. Gorini , G. Vignale , R. Raimondi

We consider the magnetic response of a two-dimensional electron gas (2DEG) with a spin-orbit interaction to a long-wave-length electromagnetic excitation. We observe that the transverse electric field creates spin polarization perpendicular…

介观与纳米尺度物理 · 物理学 2007-05-23 Alexander Shnirman , Ivar Martin

In order to enhance spin injection efficiency from ferromagnetic (FM) metal into a two-dimensional electron gas (2DEG), we introduce another FM metal and two tunnel barriers (I) between them to investigate the current polarization in such…

材料科学 · 物理学 2007-05-23 Jun Wang , D. Y. Xing , H. B. Sun

Temperature dependent transport measurements on ultrathin antiferromagnetic Mn films reveal a heretofore unknown non-universal weak localization correction to the conductivity which extends to disorder strengths greater than 100 k$\Omega$…

介观与纳米尺度物理 · 物理学 2015-08-10 S. Buvaev , S. Ghosh , K. Muttalib , P. Wölfle , A. Hebard

Transition-metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin-based electronics. Here, we use terahertz emission spectroscopy to study…

While tremendous work has gone into spin-orbit torque and spin current generation, charge-to-spin conversion efficiency remains weak in silicon to date, generally stemming from the low spin-orbit coupling (low atomic number, Z) and lack of…

BaFe2As2 is the parent compound of the '122' iron arsenide superconductors and crystallizes with the tetragonal ThCr2Si2 type structure, space group I4/mmm. A spin density wave transition at 140 K is accompanied by a symmetry reduction to…

超导电性 · 物理学 2015-05-13 Dirk Johrendt , Rainer Poettgen

An influence of spin-orbit interaction on the tunneling between two 2D electron layers is considered. Particular attention is addressed to the relation between the contribution of Rashba and Dresselhaus types. It is shown that without…

其他凝聚态物理 · 物理学 2009-11-13 I. V. Rozhansky , N. S. Averkiev