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Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism

Understanding the effects 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 spincaloritronic applications. We aim to elucidate these effects...

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Main Authors: Amit, Chanda, Derick, DeTellem, Yen Thi Hai, Pham, Jenae E. Shoup
Format: Bài trích
Language:English
Published: ACS Publications 2022
Subjects:
Iron oxide thin film
Magnetism
Online Access:https://pubs.acs.org/doi/10.1021/acsami.1c23284
https://dlib.phenikaa-uni.edu.vn/handle/PNK/5891
https://doi.org/10.1021/acsami.1c23284
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spelling oai:localhost:PNK-58912022-08-17T05:54:55Z Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism Amit, Chanda Derick, DeTellem Yen Thi Hai, Pham Jenae E. Shoup Iron oxide thin film Magnetism Understanding the effects 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 spincaloritronic applications. We aim to elucidate these effects by performing a comprehensive study of the temperature dependence of the LSSE in biphase iron oxide (BPIO = α-Fe2O3 + Fe3O4) thin films grown on Si (100) and Al2O3 (111) substrates. A combination of a temperature-dependent anomalous Nernst effect (ANE) and electrical resistivity measurements show that the contribution of the ANE from the BPIO layer is negligible in comparison to the intrinsic LSSE in the Si/BPIO/Pt heterostructure, even at room temperature 2022-07-13T01:59:49Z 2022-07-13T01:59:49Z 2022 Bài trích https://pubs.acs.org/doi/10.1021/acsami.1c23284 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5891 https://doi.org/10.1021/acsami.1c23284 en ACS Publications
institution Digital Phenikaa
collection Digital Phenikaa
language English
topic Iron oxide thin film
Magnetism
spellingShingle Iron oxide thin film
Magnetism
Amit, Chanda
Derick, DeTellem
Yen Thi Hai, Pham
Jenae E. Shoup
Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
description Understanding the effects 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 spincaloritronic applications. We aim to elucidate these effects by performing a comprehensive study of the temperature dependence of the LSSE in biphase iron oxide (BPIO = α-Fe2O3 + Fe3O4) thin films grown on Si (100) and Al2O3 (111) substrates. A combination of a temperature-dependent anomalous Nernst effect (ANE) and electrical resistivity measurements show that the contribution of the ANE from the BPIO layer is negligible in comparison to the intrinsic LSSE in the Si/BPIO/Pt heterostructure, even at room temperature
format Bài trích
author Amit, Chanda
Derick, DeTellem
Yen Thi Hai, Pham
Jenae E. Shoup
author_facet Amit, Chanda
Derick, DeTellem
Yen Thi Hai, Pham
Jenae E. Shoup
author_sort Amit, Chanda
title Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
title_short Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
title_full Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
title_fullStr Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
title_full_unstemmed Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism
title_sort spin seebeck effect in iron oxide thin films: effects of phase transition, phase coexistence, and surface magnetism
publisher ACS Publications
publishDate 2022
url https://pubs.acs.org/doi/10.1021/acsami.1c23284
https://dlib.phenikaa-uni.edu.vn/handle/PNK/5891
https://doi.org/10.1021/acsami.1c23284
_version_ 1751856286476009472
score 8.891053

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