Evidence of the spin Seebeck effect in Ni-Zn ferrites polycrystalline slabs

被引：22

作者：

Arboleda, J. D. ^{[1
]}

Arnache, O. ^{[1
]}

Aguirre, M. H. ^{[2
,3
,4
,5
]}

Ramos, R. ^{[6
]}

Anadon, A. ^{[7
]}

Ibarra, M. R. ^{[2
,3
,4
,5
]}

机构：

[1] Univ Antioquia, Inst Fis, Medellin 1226, Colombia

[2] Univ Zaragoza, Inst Nanociencia Aragon, E-50018 Zaragoza, Spain

[3] Univ Zaragoza, Lab Microscopias Avanzadas, Zaragoza, Spain

[4] Fdn INA, E-50018 Zaragoza, Spain

[5] Univ Zaragoza, Dept Fis Mat Condensada, E-50009 Zaragoza, Spain

[6] Tohoku Univ, Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

[7] IMDEA Nanociencia, Campus Cantoblanco, Madrid 28049, Spain

来源：

SOLID STATE COMMUNICATIONS | 2018年 / 270卷

关键词：

Spin Seebeck effect; Spin caloritronics; Ni-Zn ferrites;

D O I：

10.1016/j.ssc.2017.12.002

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report on the observation of the spin Seebeck effect in Ni-Zn ferrites slabs with different Zn concentration. All samples have a spinel structure confirmed by XRD and TEM. We fully characterize the magnetic properties by VSM and Mossbauer spectroscopy. Samples exhibit a nonmonotonic magnetization behavior depending on the structural inversion parameter, however we found a spin Seebeck response voltage of about 25.5 nV/K independent of the magnetization and the inversion degree.

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收藏

页码：140 / 146

页数：7

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