Ferromagnetism in Pd(100) Ultrathin Films Enhanced by Distortion

Shunsuke Sakuragi; Hiroo Tajiri; Tetsuya Sato

doi:10.1016/j.phpro.2015.12.188

Ferromagnetism in Pd(100) Ultrathin Films Enhanced by Distortion

Shunsuke Sakuragi, Hiroo Tajiri, Tetsuya Sato

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Conference article › peer-review

5 Citations (Scopus)

Abstract

A significant distortion of crystal structure was observed in Pd(100) ultrathin film deposited on a SrTiO3 substrate that shows ferromagnetism induced by quantum-well states. An in-situ X-ray crystal truncation rod scattering measurement showed an expansion of the lattice in the ferromagnetic Pd(100) ultrathin film with a thickness of 3.19 nm. This result explains the previous observation that the measured ferromagnetic magnetization in Pd(100) is much larger than that predicted by the calculation.

Original language	English
Pages (from-to)	1167-1171
Number of pages	5
Journal	Physics Procedia
Volume	75
DOIs	https://doi.org/10.1016/j.phpro.2015.12.188
Publication status	Published - 2015
Event	20th International Conference on Magnetism, ICM 2015 - Barcelona, Spain Duration: 2015 Jul 5 → 2015 Jul 10

Keywords

Pd
Quantum-well states
X-ray crystal truncation rod scattering

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/j.phpro.2015.12.188

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title = "Ferromagnetism in Pd(100) Ultrathin Films Enhanced by Distortion",

abstract = "A significant distortion of crystal structure was observed in Pd(100) ultrathin film deposited on a SrTiO3 substrate that shows ferromagnetism induced by quantum-well states. An in-situ X-ray crystal truncation rod scattering measurement showed an expansion of the lattice in the ferromagnetic Pd(100) ultrathin film with a thickness of 3.19 nm. This result explains the previous observation that the measured ferromagnetic magnetization in Pd(100) is much larger than that predicted by the calculation.",

keywords = "Pd, Quantum-well states, X-ray crystal truncation rod scattering",

author = "Shunsuke Sakuragi and Hiroo Tajiri and Tetsuya Sato",

note = "Funding Information: We thank Y. Watanabe for technical supports with the measurement using synchrotron radiation. Y. Arai, S. Ishikawa and M. Kono are acknowledged for their help with the experiment. The synchrotron radiation experiments were performed at the BL13XU of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2014A1675, 2015A1775). This work was supported by JSPS KAKENHI Grant Numbers 24310093 and 15H01998. S. S. also acknowledges a fellowship from the Japan Society for the Promotion of Science.; 20th International Conference on Magnetism, ICM 2015 ; Conference date: 05-07-2015 Through 10-07-2015",

year = "2015",

doi = "10.1016/j.phpro.2015.12.188",

language = "English",

volume = "75",

pages = "1167--1171",

journal = "Physics Procedia",

issn = "1875-3884",

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T1 - Ferromagnetism in Pd(100) Ultrathin Films Enhanced by Distortion

AU - Sakuragi, Shunsuke

AU - Tajiri, Hiroo

AU - Sato, Tetsuya

N1 - Funding Information: We thank Y. Watanabe for technical supports with the measurement using synchrotron radiation. Y. Arai, S. Ishikawa and M. Kono are acknowledged for their help with the experiment. The synchrotron radiation experiments were performed at the BL13XU of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2014A1675, 2015A1775). This work was supported by JSPS KAKENHI Grant Numbers 24310093 and 15H01998. S. S. also acknowledges a fellowship from the Japan Society for the Promotion of Science.

PY - 2015

Y1 - 2015

N2 - A significant distortion of crystal structure was observed in Pd(100) ultrathin film deposited on a SrTiO3 substrate that shows ferromagnetism induced by quantum-well states. An in-situ X-ray crystal truncation rod scattering measurement showed an expansion of the lattice in the ferromagnetic Pd(100) ultrathin film with a thickness of 3.19 nm. This result explains the previous observation that the measured ferromagnetic magnetization in Pd(100) is much larger than that predicted by the calculation.

AB - A significant distortion of crystal structure was observed in Pd(100) ultrathin film deposited on a SrTiO3 substrate that shows ferromagnetism induced by quantum-well states. An in-situ X-ray crystal truncation rod scattering measurement showed an expansion of the lattice in the ferromagnetic Pd(100) ultrathin film with a thickness of 3.19 nm. This result explains the previous observation that the measured ferromagnetic magnetization in Pd(100) is much larger than that predicted by the calculation.

KW - Pd

KW - Quantum-well states

KW - X-ray crystal truncation rod scattering

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SP - 1167

EP - 1171

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JF - Physics Procedia

SN - 1875-3884

T2 - 20th International Conference on Magnetism, ICM 2015

Y2 - 5 July 2015 through 10 July 2015

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