Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy

Tanaka, M. A.; Mitsui, T.; Masuda, R.; Kitao, S.; Kobayashi, Y.; Seto, M.; Yoda, Y.

doi:10.1063/1.4917189

Title: Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy

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Abstract

Measurement of the magnetic hyperfine fields in metallic thin wires under spin Hall conditions was attempted using the emerging technique, synchrotron-radiation Mössbauer spectroscopy. A Mössbauer probe layer of {sup 57}Fe (0.2 nm), {sup 57}Fe (0.6 nm), or {sup 119}Sn (0.6 nm) was embedded as an electron spin detector near the surfaces of V, Au, Pt, and {sup 56}Fe wires. The magnitudes of the magnetic hyperfine fields at the {sup 57}Fe and {sup 119}Sn nuclear sites that could be enhanced by non-equilibrium conduction-electron spin polarization were measured both without and with the application of an electric current along the wire. Changes in the Mössbauer spectra were not clearly observed, indicating that the magnetic hyperfine field induced by non-equilibrium spin polarization is smaller than the detection limit at least for the measured systems and conditions.

Authors:

Tanaka, M. A. ^[1]; Mitsui, T. ^[2]; Masuda, R.; Kitao, S.; Kobayashi, Y.; Seto, M. ^[3]; Yoda, Y. ^[4]

Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, Aichi 466-8555 (Japan)
Japan Atomic Energy Agency, Sayo, Hyogo 679-5148 (Japan)
Research Reactor Institute, Kyoto University, Kumatori, Osaka 590-0494 (Japan)
Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198 (Japan)

Publication Date:: Thu May 07 00:00:00 EDT 2015

OSTI Identifier:: 22410140

Resource Type:: Journal Article

Journal Name:: Journal of Applied Physics

Additional Journal Information:: Journal Volume: 117; Journal Issue: 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION SPECTROSCOPY; ELECTRIC CURRENTS; ELECTRONS; EQUILIBRIUM; GOLD; HALL EFFECT; IRON 56; IRON 57; LAYERS; MOESSBAUER EFFECT; PLATINUM; PROBES; SPIN; SPIN ORIENTATION; SURFACES; SYNCHROTRON RADIATION; TIN 119; VANADIUM

Citation Formats


                    Mibu, K., E-mail: k-mibu@nitech.ac.jp, Tanaka, M. A., Mitsui, T., Masuda, R., Kitao, S., Kobayashi, Y., Seto, M., and Yoda, Y. Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy.  United States: N. p., 2015. 
        Web.  doi:10.1063/1.4917189.

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                    Mibu, K., E-mail: k-mibu@nitech.ac.jp, Tanaka, M. A., Mitsui, T., Masuda, R., Kitao, S., Kobayashi, Y., Seto, M., & Yoda, Y. Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy.  United States.  https://doi.org/10.1063/1.4917189

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                    Mibu, K., E-mail: k-mibu@nitech.ac.jp, Tanaka, M. A., Mitsui, T., Masuda, R., Kitao, S., Kobayashi, Y., Seto, M., and Yoda, Y. 2015.  
        "Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy".  United States.  https://doi.org/10.1063/1.4917189.

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@article{osti_22410140,

  title        = {Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy},

  author       = {Mibu, K., E-mail: k-mibu@nitech.ac.jp and Tanaka, M. A. and Mitsui, T. and Masuda, R. and Kitao, S. and Kobayashi, Y. and Seto, M. and Yoda, Y.},

  abstractNote = {Measurement of the magnetic hyperfine fields in metallic thin wires under spin Hall conditions was attempted using the emerging technique, synchrotron-radiation Mössbauer spectroscopy. A Mössbauer probe layer of {sup 57}Fe (0.2 nm), {sup 57}Fe (0.6 nm), or {sup 119}Sn (0.6 nm) was embedded as an electron spin detector near the surfaces of V, Au, Pt, and {sup 56}Fe wires. The magnitudes of the magnetic hyperfine fields at the {sup 57}Fe and {sup 119}Sn nuclear sites that could be enhanced by non-equilibrium conduction-electron spin polarization were measured both without and with the application of an electric current along the wire. Changes in the Mössbauer spectra were not clearly observed, indicating that the magnetic hyperfine field induced by non-equilibrium spin polarization is smaller than the detection limit at least for the measured systems and conditions.},

  doi          = {10.1063/1.4917189},

  url          = {https://www.osti.gov/biblio/22410140},
  journal      = {Journal of Applied Physics},

  issn         = {0021-8979},

  number       = 17,

  volume       = 117,

  place        = {United States},

  year         = {Thu May 07 00:00:00 EDT 2015},

  month        = {Thu May 07 00:00:00 EDT 2015}

}

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