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We investigate the intrinsic spin Nernst effect (SNE), a transverse spin current induced by temperature gradients, in topological Dirac semimetals (TDSMs) and magnetic Weyl semimetals (MWSMs) with Ising spin-orbit coupling. The intrinsic…

材料科学 · 物理学 2025-06-16 Taiki Matsushita , Akihiro Ozawa , Yasufumi Araki , Junji Fujimoto , Masatoshi Sato

We studied the transient behavior of the spin current generated by the longitudinal spin Seebeck effect (LSSE) in a set of platinum-coated yttrium iron garnet (YIG) films of different thicknesses. The LSSE was induced by means of pulsed…

Emergent electromagnetic induction based on electrodynamics of noncollinear spin states may enable dramatic miniaturization of inductor elements widely used in electric circuits, yet many issues are to be solved toward application. One such…

Electron-ion interactions play a central role for the energy relaxation processes and ultra-fast structure dynamics in laser-heated matter. The accurate prediction of the electron-ion energy exchange in a transient excited two-temperature…

其他凝聚态物理 · 物理学 2024-01-17 Jia Zhang , Rui Qin , Wenjun Zhu , Jan Vorberger

Spin orbit coupling plays a non-perturbation effect in many recently developed novel fields including topological insulators and spin-orbit assistant Mott insulators. In this paper, strongly temperature-dependent spin orbit coupling,…

材料科学 · 物理学 2014-06-17 Lunyong Zhang , Y. B. Chen , Jian Zhou , Shan-Tao Zhang , Zheng-bin Gu , Shu-Hua Yao , Yan-Feng Chen

We use semiclassical Monte Carlo approach along with spin density matrix calculations to model spin polarized electron transport. The model is applied to germanium nanowires and germanium two dimensional channels to study and compare spin…

介观与纳米尺度物理 · 物理学 2011-06-23 Ashish Kumar , Bahniman Ghosh

Spin-polarized scanning tunneling microscopy investigations reveal a significant increase of the magnetic period of spin spirals in three-atomic-layer-thick Fe films on Ir(111), from about 4nm at 8K to about 65nm at room temperature. We…

介观与纳米尺度物理 · 物理学 2017-07-26 Aurore Finco , Levente Rózsa , Pin-Jui Hsu , André Kubetzka , Elena Vedmedenko , Kirsten von Bergmann , Roland Wiesendanger

It is shown that the Rashba and Dresselhaus spin orbit couplings enhance the conclusive power in the experiments on the excitonic condensed state by at least three low temperature effects. First, spin orbit coupling facilitates the…

强关联电子 · 物理学 2015-05-13 M. Ali Can , T. Hakioğlu

Rashba-type spin-orbit coupling gives rise to distinctive surface and interface phenomena, such as spin-momentum locking and spin splitting. In nonequilibrium settings, one of the key manifestations is the (Rashba-)Edelstein effect, where…

材料科学 · 物理学 2025-10-08 Oliver Busch , Franziska Ziolkowski , Börge Göbel , Ingrid Mertig , Jürgen Henk

Spin-orbit coupling is predicted to have dramatic effects on thermal properties of a two-component atomic Bose gas. We show that in three spatial dimensions it lowers the critical temperature of condensation and enhances thermal depletion…

量子气体 · 物理学 2014-06-27 Renyuan Liao , Oleksandr Fialko

Observing and controlling macroscopic quantum systems has long been a driving force in research on quantum physics. In this endeavor, strong coupling between individual quantum systems and mechanical oscillators is being actively pursued.…

量子物理 · 物理学 2020-04-22 T. Delord , P. Huillery , L. Nicolas , G. Hétet

We report a systematic study of current-induced perpendicular magnetization switching in W/Co$_{x}$Tb$_{1-x}$/Al thin films with strong perpendicular magnetic anisotropy. Various Co$_{x}$Tb$_{1-x}$ ferrimagnetic alloys with different…

We report thermal conductivity measurements on single crystals of herbertsmithite, over a wide range of temperatures (0.05-120 K) in magnetic fields up to 15 T. We also report measurements of the thermal Hall effect, found to be vanishingly…

Recently, the possibility of exploiting the phenomenon of spin transition (ST) has been intensively investigated, therefore, it is particularly important to study the behavior of ST under various stimuli. Here, the shape and content of the…

Searching for exotic spin-dependent interactions that beyond the standard model has been of interest for past decades and is crucial for unraveling the mysteries of the universe. Previous laboratory searches primarily focus on searching for…

原子物理 · 物理学 2024-01-12 Wei Xiao , Xiyu Liu , Teng Wu , Xiang Peng , Hong Guo

The linear and nonlinear processes in ferromagnetic films at low temperatures T<< Tc are studied in a microscopic theory. Both the long-range magnetic dipole-dipole and the Heisenberg exchange interactions to nearest and next-nearest…

强关联电子 · 物理学 2009-10-31 R. N. Costa Filho , M. G. Cottam , G. A. Farias

Here we investigate the temperature dependence of anomalous Hall effect in Hf/GdFeCo/MgO sheet film and Hall bar device. The magnetic compensation temperature ($T_{comp}$) for the sheet film and device is found to be ~240 K and ~118 K,…

应用物理 · 物理学 2021-06-29 Ramesh Chandra Bhatt , Lin-Xiu Ye , Ngo Trong Hai , Jong-Ching Wu , Te-ho Wu

A semi-classical analysis of magneto-thermopower behaviour, namely, the \textit{Seebeck} and \textit{Nernst} effect (NE) in quantum wells of IV-VI lead salts with significant extrinsic Rashba spin-orbit coupling (RSOC) is performed in this…

介观与纳米尺度物理 · 物理学 2018-03-01 Parijat Sengupta , Junxia Shi

The Rashba physics has been intensively studied in the field of spin orbitronics, for the purpose of searching novel physical properties and the FM magnetization switching for technology applications. Here, we report the observation of the…

介观与纳米尺度物理 · 物理学 2017-03-21 Qi Song , Hongrui Zhang , Tang Su , Wei Yuan , Yangyang Chen , Wenyu Xing , Jing Shi , Ji Rong Sun , Wei Han

The electron spin-lattice relaxation (SLR) times T1 of Yb3+&#135; ions were measured from the temperature dependence of electron spin resonance linewidth in Y0.99Yb0.01Ba2Cu3Ox with different oxygen contents. Raman relaxation processes…

超导电性 · 物理学 2009-11-11 L. K. Aminov , V. A. Ivanshin , I. N. Kurkin , M. R. Gafurov , I. Kh. Salikhov , H. Keller , M. Gutmann