Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO                         3                          single crystal

Makoto Tokuda; Tsutomu Mashimo; Weijian Ma; Shinya Hayami; Shinji Ando; Tadao Nishiyama; Akira Yoshiasa

doi:10.1016/j.jpcs.2018.12.023

Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal

Makoto Tokuda, Tsutomu Mashimo, Weijian Ma, Shinya Hayami, Shinji Ando, Tadao Nishiyama, Akira Yoshiasa

Research output: Contribution to journal › Article › peer-review

Abstract

Under strong gravitational fields, the unique uniaxially distorted crystalline state induces structural changes in compounds other than those caused by high pressure and high temperature. We subjected the hexagonal YMnO ₃ single crystal to a strong-gravitational field (0.78 × 10 ⁶ G, 400 °C) and determined the changes in the crystalline structure and physical properties of the recovered metastable sample. According to four-circle single-crystal X-ray diffraction data, the structural analyses indicated changes in the inequivalent nearest-neighbor Mn-Mn and Mn-O bond distances, thereby demonstrating that trimerization distortion occurred in the ab plane under the strong gravitational field. Magnetic measurements indicated that there were changes in the magnetic anisotropy, which were explained by changes in the spin–orbit interaction due to lattice distortion.

Original language	English
Pages (from-to)	172-179
Number of pages	8
Journal	Journal of Physics and Chemistry of Solids
Volume	129
DOIs	https://doi.org/10.1016/j.jpcs.2018.12.023
Publication status	Published - 2019 Jun
Externally published	Yes

Keywords

Crystal structure
Magnetic properties
Strong-gravitational field
YMnO

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Tokuda, M., Mashimo, T., Ma, W., Hayami, S., Ando, S., Nishiyama, T., & Yoshiasa, A. (2019). Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal Journal of Physics and Chemistry of Solids, 129, 172-179. https://doi.org/10.1016/j.jpcs.2018.12.023

Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal . / Tokuda, Makoto; Mashimo, Tsutomu; Ma, Weijian; Hayami, Shinya; Ando, Shinji; Nishiyama, Tadao; Yoshiasa, Akira.

In: Journal of Physics and Chemistry of Solids, Vol. 129, 06.2019, p. 172-179.

Research output: Contribution to journal › Article › peer-review

Tokuda, M, Mashimo, T, Ma, W, Hayami, S, Ando, S, Nishiyama, T & Yoshiasa, A 2019, ' Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal ', Journal of Physics and Chemistry of Solids, vol. 129, pp. 172-179. https://doi.org/10.1016/j.jpcs.2018.12.023

Tokuda M, Mashimo T, Ma W, Hayami S, Ando S, Nishiyama T et al. Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal Journal of Physics and Chemistry of Solids. 2019 Jun;129:172-179. https://doi.org/10.1016/j.jpcs.2018.12.023

Tokuda, Makoto ; Mashimo, Tsutomu ; Ma, Weijian ; Hayami, Shinya ; Ando, Shinji ; Nishiyama, Tadao ; Yoshiasa, Akira. / Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO ₃ single crystal In: Journal of Physics and Chemistry of Solids. 2019 ; Vol. 129. pp. 172-179.

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title = " Effects of a strong gravitational field on Mn-trimers and magnetic properties of hexagonal YMnO 3 single crystal ",

abstract = " Under strong gravitational fields, the unique uniaxially distorted crystalline state induces structural changes in compounds other than those caused by high pressure and high temperature. We subjected the hexagonal YMnO 3 single crystal to a strong-gravitational field (0.78 × 10 6 G, 400 °C) and determined the changes in the crystalline structure and physical properties of the recovered metastable sample. According to four-circle single-crystal X-ray diffraction data, the structural analyses indicated changes in the inequivalent nearest-neighbor Mn-Mn and Mn-O bond distances, thereby demonstrating that trimerization distortion occurred in the ab plane under the strong gravitational field. Magnetic measurements indicated that there were changes in the magnetic anisotropy, which were explained by changes in the spin–orbit interaction due to lattice distortion. ",

keywords = "Crystal structure, Magnetic properties, Strong-gravitational field, YMnO",

author = "Makoto Tokuda and Tsutomu Mashimo and Weijian Ma and Shinya Hayami and Shinji Ando and Tadao Nishiyama and Akira Yoshiasa",

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AU - Tokuda, Makoto

AU - Mashimo, Tsutomu

AU - Ma, Weijian

AU - Hayami, Shinya

AU - Ando, Shinji

AU - Nishiyama, Tadao

AU - Yoshiasa, Akira

PY - 2019/6

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AB - Under strong gravitational fields, the unique uniaxially distorted crystalline state induces structural changes in compounds other than those caused by high pressure and high temperature. We subjected the hexagonal YMnO 3 single crystal to a strong-gravitational field (0.78 × 10 6 G, 400 °C) and determined the changes in the crystalline structure and physical properties of the recovered metastable sample. According to four-circle single-crystal X-ray diffraction data, the structural analyses indicated changes in the inequivalent nearest-neighbor Mn-Mn and Mn-O bond distances, thereby demonstrating that trimerization distortion occurred in the ab plane under the strong gravitational field. Magnetic measurements indicated that there were changes in the magnetic anisotropy, which were explained by changes in the spin–orbit interaction due to lattice distortion.

KW - Crystal structure

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KW - Strong-gravitational field

KW - YMnO

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