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This article reports temperature-dependent measurements of longitudinal spin Seebeck effects (LSSEs) in Pt/Y$_3$Fe$_5$O$_{12}$ (YIG)/Pt systems in a high temperature range from room temperature to above the Curie temperature of YIG. The…

Materials Science · Physics 2015-05-28 Ken-ichi Uchida , Takashi Kikkawa , Asuka Miura , Junichiro Shiomi , Eiji Saitoh

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

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 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…

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…

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

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 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 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…

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…

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

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

For longitudinal spin Seebeck effect (LSSE) devices, a multilayer structure comprising ferromagnetic and nonmagnetic layers is expected to improve their thermoelectric power. In this study, we developed the fabrication method for…

Temperature-dependent spin-Seebeck effect data on Pt|YIG (Y$_3$Fe$_5$O$_{12}$)|GGG (Gd$_3$Ga$_5$O$_{12}$) are reported for YIG films of various thicknesses. The effect is reported as a spin-Seebeck resistivity (SSR), the inverse spin-Hall…

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

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…

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

We have studied thermally driven magnon spin transport (spin Seebeck effect, SSE) in heterostructures of antiferromagnetic $\alpha$-$\mathrm{Cr_2O_3}$ and Pt at low temperatures. Monitoring the amplitude of the local and nonlocal SSE…

Mesoscale and Nanoscale Physics · Physics 2021-02-26 Prasanta Muduli , Richard Schlitz , Tobias Kosub , René Hübner , Artur Erbe , Denys Makarov , Sebastian T. B. Goennenwein

The spin diffusion length for thermally excited magnon spins is measured by utilizing a non-local spin-Seebeck effect measurement. In a bulk single crystal of yttrium iron garnet (YIG) a focused laser thermally excites magnon spins. The…

Materials Science · Physics 2015-12-15 Brandon L. Giles , Zihao Yang , John Jamison , Roberto C. Myers

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
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