English
Related papers

Related papers: A Perspective on Magnon Spin Nernst Effect in Anti…

200 papers

We propose theoretically a new effect, i.e. nonlinear planar Nernst effect (NPNE), in nonmagnetic topological insulator (TI) Bi2Te3 in the presence of an in-plane magnetic field. We find that the Nernst current scales quadratically with…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Xiao-Qin Yu , Zhen-Gang Zhu , Gang Su

Understanding, manipulating, and using magnons - the quanta of spin waves - for energy-efficient applications is one of the primary goals of magnonics. In this paper, we consider a synthetic antiferromagnet in which one of the ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2024-06-10 Artim L. Bassant , Mexx E. Y. Regout , Joren S. Harms , Rembert A. Duine

In spite of the absence of a macroscopic magnetic moment, an anti-ferromagnet is spin-polarized on an atomic scale. The electric current passing through a conducting anti-ferromagnet is polarized as well, leading to spin-transfer torques…

Materials Science · Physics 2009-09-29 Yuan Xu , Shuai Wang , Ke Xia

Phonons can carry angular momentum and exhibit chirality through the circular polarization of atomic motion. This enables a phonon-mediated spin Seebeck effect (SSE) via the conversion of phonon angular momentum into electron spin angular…

Mesoscale and Nanoscale Physics · Physics 2026-04-28 Jiayan Zhang , Gaoyang Li , Gaomin Tang , Yanxia Xing

A prominent feature of $d$-wave altermagnets is that spin current is generated by applying temperature gradient, which is known as the spin-Nernst effect. We show in $f$-wave magnets that spin current is generated proportional to the square…

Mesoscale and Nanoscale Physics · Physics 2026-02-24 Motohiko Ezawa

We theoretically study the intrinsic thermal Hall and spin Nernst effect in collinear ferrimagnets on a honeycomb lattice with broken inversion symmetry. The broken inversion symmetry allows in-plane Dzyaloshinskii-Moriya interaction…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Sungjoon Park , Naoto Nagaosa , Bohm-Jung Yang

We propose a new type of the spin Seebeck effect (SSE) emerging from the Rashba spin-orbit coupling in asymmetric four-terminal electron systems. This system generates spin currents or spin voltages along the longitudinal direction parallel…

Mesoscale and Nanoscale Physics · Physics 2016-02-11 Jun Zhou , Biao Wang , Mengjie Li , Tsuneyoshi Nakayama , Baowen Li

Chiral magnons, the quanta of handed spin waves, transport spin angular momentum without energy loss due to Joule heating. The recently discovered altermagnets were proposed to host chiral magnons arising from a non-relativistic exchange…

Magnetodielectric materials are characterized by a strong coupling of magnetic and dielectric properties and in rare cases simultaneously exhibit both, magnetic and polar order. Among other multiferroics, TbMnO3 and GdMnO3 reveal a strong…

Strongly Correlated Electrons · Physics 2015-06-25 A. Pimenov , A. A. Mukhin , V. Yu. Ivanov , V. D. Travkin , A. M. Balbashov , A. Loidl

Recent developments have introduced a groundbreaking form of collinear magnetism known as "altermagnetism". This emerging magnetic phase is characterized by robust time-reversal symmetry breaking, antiparallel magnetic order, and…

Materials Science · Physics 2024-09-18 Ling Bai , Wanxiang Feng , Siyuan Liu , Libor Šmejkal , Yuriy Mokrousov , Yugui Yao

Thermoelectric effects in spintronics are gathering increasing attention as a means of managing heat in nanoscale structures and of controlling spin information by using heat flow. Thermal magnons (spin-wave quanta) are expected to play a…

Materials Science · Physics 2012-03-27 Marius V. Costache , German Bridoux , Ingmar Neumann , Sergio O. Valenzuela

The magnon dispersion of ferromagnetic SrRuO$_3$ was studied by inelastic neutron scattering experiments on single crystals as function of temperature. Even at low temperature the magnon modes exhibit substantial broadening pointing to…

Nowadays, the interaction between phonon and magnon subsystems of a magnetic medium is a hot topic of research. The complexity of phonon and magnon spectra, the existence of both bulk and surface modes, the quantization effects, and the…

Mesoscale and Nanoscale Physics · Physics 2023-11-01 D. A. Bozhko , V. I. Vasyuchka , A. V. Chumak , A. A. Serga

Antiferromagnetic materials are magnetic inside, however, the direction of their ordered microscopic moments alternates between individual atomic sites. The resulting zero net magnetic moment makes magnetism in antiferromagnets invisible on…

Materials Science · Physics 2016-03-23 T. Jungwirth , X. Marti , P. Wadley , J. Wunderlich

We describe spin transfer in a ferromagnet/normal metal/ferromagnet spin-valve point contact. Spin is transferred from the spin-polarized device current to the magnetization of the free layer by the mechanism of incoherent magnon emission…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. I. Kozub , J. Caro

Antiferromagnetic spintronics is an emerging research field whose focus is on the electrical and optical control of the antiferromagnetic order parameter and its utility in information technology devices. An example of recently discovered…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 O. Gomonay , T. Jungwirth , J. Sinova

In this work we review the recent advances on superconducting phenomena in junctions formed by superconductors and unconventional magnets. Conventional magnets, such as ferromagnets and antiferromagnets, are characterized by broken…

Superconductivity · Physics 2025-08-05 Yuri Fukaya , Bo Lu , Keiji Yada , Yukio Tanaka , Jorge Cayao

We develop a microscopic theory for the spin Seebeck effect (SSE) in N\'eel and canted phases of antiferromagnetic insulators. We calculate the DC spin current tunneling from the antiferromagnet to an attached metal, incorporating the…

Strongly Correlated Electrons · Physics 2024-02-14 Keisuke Masuda , Masahiro Sato

The controllable magnetic skyrmion motion represents a highly concerned issue in preparing advanced skyrmion-based spintronic devices. Specifically, magnon-driven skyrmion motion can be easily accessible in both metallic and insulating…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Z. Jin , C. Y. Meng , T. T. Liu , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin , J. M. Liu

We propose the spin swapping effect for an exchange magnon spin current in a perpendicularly magnetized ferromagnetic medium with in plane anisotropy on the surface. The excitation of a magnon current flowing along an in-plane direction…

Mesoscale and Nanoscale Physics · Physics 2023-07-03 Shuting Cui , Peng Yan , Wei Luo , Xiaofei Yang , Yue Zhang