Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG

Miao, B. F.; Huang, S. Y.; Qu, D.; Chien, C. L.

doi:10.1063/1.4941340

Title: Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG

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Abstract

The Pt/YIG structure has been widely used to study spin Seebeck effect (SSE), inverse spin Hall effect, and other pure spin current phenomena. However, the magnetic proximity effect in Pt when in contact with YIG, and the potential anomalous Nernst effect (ANE) may compromise the spin current phenomena in Pt/YIG. By inserting a Cu layer of various thicknesses between Pt and YIG, we have separated the signals from the SSE and that of the ANE. Here, it is demonstrated that the thermal voltage in Pt/YIG mainly comes from spin current due to the longitudinal SSE with negligible contribution from the ANE.

Authors:: Miao, B. F.; Huang, S. Y.; Qu, D.; Chien, C. L.

Publication Date:: Fri Jan 01 00:00:00 EST 2016

Research Org.:: Johns Hopkins Univ., Baltimore, MD (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1236412

Alternate Identifier(s):: OSTI ID: 1242967; OSTI ID: 1421024

Grant/Contract Number:: E-SC0009390; SC0009390

Resource Type:: Published Article

Journal Name:: AIP Advances

Additional Journal Information:: Journal Name: AIP Advances Journal Volume: 6 Journal Issue: 1; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics

Country of Publication:: United States

Language:: English

Subject:: 74 ATOMIC AND MOLECULAR PHYSICS; magnetoresistance; gold; thermoelectric effects; polycrystals; electric measurements

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                    Miao, B. F., Huang, S. Y., Qu, D., and Chien, C. L. Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG.  United States: N. p., 2016. 
Web.  doi:10.1063/1.4941340.

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                    Miao, B. F., Huang, S. Y., Qu, D., & Chien, C. L. Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG.  United States.  https://doi.org/10.1063/1.4941340

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                    Miao, B. F., Huang, S. Y., Qu, D., and Chien, C. L. Fri .  
"Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG".  United States.  https://doi.org/10.1063/1.4941340.

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@article{osti_1236412,

  title        = {Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG},

  author       = {Miao, B. F. and Huang, S. Y. and Qu, D. and Chien, C. L.},

  abstractNote = {The Pt/YIG structure has been widely used to study spin Seebeck effect (SSE), inverse spin Hall effect, and other pure spin current phenomena. However, the magnetic proximity effect in Pt when in contact with YIG, and the potential anomalous Nernst effect (ANE) may compromise the spin current phenomena in Pt/YIG. By inserting a Cu layer of various thicknesses between Pt and YIG, we have separated the signals from the SSE and that of the ANE. Here, it is demonstrated that the thermal voltage in Pt/YIG mainly comes from spin current due to the longitudinal SSE with negligible contribution from the ANE.},

  doi          = {10.1063/1.4941340},

  journal      = {AIP Advances},

  number       = 1,

  volume       = 6,

  place        = {United States},

  year         = {Fri Jan 01 00:00:00 EST 2016},

  month        = {Fri Jan 01 00:00:00 EST 2016}

}

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