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The longitudinal spin Seebeck effect (LSSE) in Pt/Y$_3$Fe$_5$O$_{12}$ (YIG) junction systems has been investigated at various magnetic fields and temperatures. We found that the LSSE voltage in a Pt/YIG-slab system is suppressed by applying…

Materials Science · Physics 2015-08-19 Takashi Kikkawa , Ken-ichi Uchida , Shunsuke Daimon , Zhiyong Qiu , Yuki Shiomi , Eiji Saitoh

We report a simultaneous measurement of a longitudinal spin Seebeck effect (LSSE) and thermal conductivity in a Pt/${\rm Y_{3}Fe_{5}O_{12}}$ (YIG)/Pt system in a temperature range from 10 to 300 K. By directly monitoring the temperature…

Materials Science · Physics 2017-05-10 Ryo Iguchi , Ken-ichi Uchida , Shunsuke Daimon , Eiji Saitoh

The temperature and yttrium-iron-garnet (YIG) thickness dependences of the spin Peltier effect (SPE) have been investigated using a Pt/YIG junction system at temperatures ranging from room temperature to the Curie temperature of YIG by the…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Atsushi Takahagi , Takamasa Hirai , Ryo Iguchi , Keita Nakagawara , Hosei Nagano , Ken-ichi Uchida

We study the temperature dependence of the longitudinal spin-Seebeck effect (LSSE) in a yttrium iron garnet Y3Fe5O12 (YIG) / Pt system for samples of different thicknesses. In this system, the thermal spin torque is magnon-driven. The LSSE…

Materials Science · Physics 2015-09-30 Hyungyu Jin , Stephen R. Boona , Zihao Yang , Roberto C. Myers , Joseph P. Heremans

We report the nonlocal spin Seebeck effect (nlSSE) in a lateral configuration of Pt/Y$_3$Fe$_5$O$_{12}$(YIG)/Pt systems as a function of the magnetic field $B$ (up to 10 T) at various temperatures $T$ (3 K < $T$ < 300 K). The nlSSE voltage…

Materials Science · Physics 2020-01-28 Koichi Oyanagi , Takashi Kikkawa , Eiji Saitoh

We study the transport of thermally excited non-equilibrium magnons through the ferrimagnetic insulator YIG using two electrically isolated Pt strips as injector and detector. The diffusing magnons induce a non- local inverse spin Hall…

We performed temperature-dependent optical pump - THz emission measurements in Y3Fe5O12 (YIG)|Pt from 5 K to room temperature in the presence of an externally applied magnetic field. We study the temperature dependence of the spin Seebeck…

We report on temperature dependent measurements of the Longitudinal Spin Seebeck Effect (LSSE) in the mixed valent manganite La$_{0.7}$Ca$_{0.3}$MnO$_3$. By disentangling the contribution arising due to the Anisotropic Nernst effect, we…

Strongly Correlated Electrons · Physics 2020-01-15 Avirup De , Arup Ghosh , Rajesh Mandal , Satishchandra Ogale , Sunil Nair

The determination of the longitudinal spin Seebeck effect (LSSE) coefficient is currently plagued by a large uncertainty due to the poor reproducibility of the experimental conditions used in its measurement. In this work we present a…

Mesoscale and Nanoscale Physics · Physics 2018-11-26 A. Sola , P. Bougiatioti , M. Kuepferling , D. Meier , G. Reiss , M. Pasquale , T. Kuschel , V. Basso

We present a comprehensive study of the temperature (T) dependence of the longitudinal spin Seebeck effect (LSSE) in Pt/EuO_{1-x} and Pt/La2NiMnO6 (LNMO) hybrid structures across their Curie temperatures (Tc). Both systems host…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Kingshuk Mallick , Aditya A. Wagh , Adrian Ionescu , Crispin H. W. Barnes , P. S. Anil Kumar

The temperature dependent longitudinal spin Seebeck effect (SSE) in heavy metal (HM)/ Y3Fe5O12 (YIG) bilayers is investigated as a function of different magnetic field strength, different HM detection material, and YIG thickness ranging…

Materials Science · Physics 2016-08-03 Er-Jia Guo , Andreas Kehlberger , Joel Cramer , Gerhard Jakob , Mathias Kläui

We present results on the longitudinal spin Seebeck effect (LSSE) shown by semiconducting ferrimagnetic NiFe2O4/Pt films from room temperature down to 50K base temperature. To the best of our knowledge, this is the first observation of spin…

The longitudinal spin-Seebeck effect (LSSE) has been investigated for Pt/yttrium iron garnet (YIG) bilayer systems. The magnitude of the voltage induced by the LSSE is found to be sensitive to the Pt/YIG interface condition. We observed…

Materials Science · Physics 2016-08-04 Z. Qiu , D. Hou , K. Uchida , E. Saitoh

Spin Seebeck effect refers to the magnonic thermal spin injection from a magnet into the adjacent heavy metal. A ferrimagnetic insulator yttrium iron garnet (YIG) is the material most studied for the spin Seebeck effect. Here, to account…

Mesoscale and Nanoscale Physics · Physics 2025-10-20 Hayato Fukushima , Masanori Ichioka , Hiroto Adachi

It is demonstrated that thermally induced longitudinal spin fluctuations (LSF) play an important role in itinerant Co$_3$Mn$_2$Ge at an elevated temperature. The effect of LSF is taken into account during {\it ab initio} calculations via a…

Materials Science · Physics 2022-06-01 Erna K. Delczeg-Czirjak , O. Eriksson , A. V. Ruban

In this work we investigated thin films of the ferrimagnetic insulators YIG and NFO capped with thin Pt layers in terms of the longitudinal spin Seebeck effect (LSSE). The electric response detected in the Pt layer under an out-of-plane…

We investigate the inverse spin Hall voltage of a 10nm thin Pt strip deposited on the magnetic insulators Y3Fe5O12 (YIG) and NiFe2O4 (NFO) with a temperature gradient in the film plane. We observe characteristics typical of the spin Seebeck…

Understanding impacts of phase transition, phase coexistence, and surface magnetism on the longitudinal spin Seebeck effect (LSSE) in a magnetic system is essential to manipulate the spin to charge current conversion efficiency for…

We have studied the longitudinal spin Seebeck effect (LSSE) in the layered ferromagnetic insulators CrSiTe$_3$ and CrGeTe$_3$ covered by Pt films in the measurement configuration where spin current traverses the ferromagnetic Cr layers. The…

Materials Science · Physics 2019-08-19 Naohiro Ito , Takashi Kikkawa , Joseph Barker , Daichi Hirobe , Yuki Shiomi , Eiji Saitoh

The impact of the longitudinal spin Seebeck effect (LSSE) on the magnon damping in magnetic-insulator/nonmagnetic-metal bilayers was recently discussed in several reports. However, results of those experiments can be blurred by multimode…

Mesoscale and Nanoscale Physics · Physics 2017-05-03 Thomas Langner , Akihiro Kirihara , Alexander A. Serga , Burkard Hillebrands , Vitaliy I. Vasyuchka
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