Spin Seebeck effect: Sensitive probe for elementary excitation, spin correlation, transport, magnetic order, and domains in solids

T Kikkawa, E Saitoh - Annual Review of Condensed Matter …, 2023 - annualreviews.org
The spin Seebeck effect (SSE) refers to the generation of a spin current as a result of a
temperature gradient in a magnetic material, which can be detected electrically via the …

Coherent long-range transfer of angular momentum between magnon Kittel modes by phonons

K An, AN Litvinenko, R Kohno, AA Fuad, VV Naletov… - Physical Review B, 2020 - APS
We report ferromagnetic resonance in the normal configuration of an electrically insulating
magnetic bilayer consisting of two yttrium iron garnet (YIG) films epitaxially grown on both …

Metal-free organic radical spin source

C Nicolaides, F Bazzi, E Vouros, DF Flesariu… - Nano Letters, 2023 - ACS Publications
Organic radicals have long been suggested as candidates for organic magnets and
components in organic spintronic devices. Herein, we demonstrate spin current emission …

Control of nonlocal magnon spin transport via magnon drift currents

R Schlitz, S Vélez, A Kamra, CH Lambert, M Lammel… - Physical Review Letters, 2021 - APS
Spin transport via magnon diffusion in magnetic insulators is important for a broad range of
spin-based phenomena and devices. However, the absence of the magnon equivalent of an …

Paramagnetic spin Hall magnetoresistance

K Oyanagi, JM Gomez-Perez, XP Zhang, T Kikkawa… - Physical Review B, 2021 - APS
We report the observation of the spin Hall magnetoresistance (SMR) in a paramagnetic
insulator. By measuring the transverse resistance in a Pt/Gd 3 Ga 5 O 12 (GGG) system at …

Mechanism of paramagnetic spin Seebeck effect

K Oyanagi, S Takahashi, T Kikkawa, E Saitoh - Physical Review B, 2023 - APS
We have theoretically investigated the spin Seebeck effect (SSE) in a normal metal
(NM)/paramagnetic insulator (PI) bilayer system. Through a linear response approach, we …

[HTML][HTML] Spin Hall magnetoresistance in Pt/(Ga, Mn) N devices

JA Mendoza-Rodarte, K Gas… - Applied Physics …, 2024 - pubs.aip.org
Diluted magnetic semiconductors have attracted significant attention for their potential in
spintronic applications. Particularly, magnetically doped GaN is highly attractive due to its …

Local atomic disorder and temperature dependence of saturation magnetization in yttrium iron garnet

R Peña-Garcia, Y Guerra, DM Oliveira, A Franco Jr… - Ceramics …, 2020 - Elsevier
In the present work experimental data for saturation magnetization at low temperatures, of
yttrium iron garnet nanoparticles are different from that expected by the T 3/2 Bloch's Law …

Topological transport of deconfined hedgehogs in magnets

J Zou, S Zhang, Y Tserkovnyak - Physical Review Letters, 2020 - APS
We theoretically investigate the dynamics of magnetic hedgehogs, which are three-
dimensional topological spin textures that exist in common magnets, focusing on their …

Triplon current generation in solids

Y Chen, M Sato, Y Tang, Y Shiomi, K Oyanagi… - Nature …, 2021 - nature.com
A triplon refers to a fictitious particle that carries angular momentum S= 1 corresponding to
the elementary excitation in a broad class of quantum dimerized spin systems. Such systems …