Application of strain to orbital-spin-coupled system MnV 2 O 4 at cryogenic temperatures within a transmission electron microscope

Yasukazu Murakami, T. Suzuki, Y. Nii, S. Murai, T. Arima, R. Kainuma, D. Shindo

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

The impact of mechanical stress on the morphology of crystallographic and magnetic domains in shape-controlled specimens of an orbital-spin-coupled system, MnV 2 O 4 , was examined by cryogenic Lorentz microscopy. Because of the difference in thermal expansion coefficients of MnV 2 O 4 and the supporting Mo mesh, compression on the order of 0.01% was applied to the thin-foil specimens near the structural/magnetic phase transformation temperatures. The extent of compression was comparable to the lattice striction associated with the cubic-to-tetragonal phase transformation in MnV 2 O 4 . The applied strain thus clearly influenced themorphology of crystallographic domains (i.e. twinning configuration in the tetragonal phase) produced during cooling. The magnetic domain structure was entirely dependent on the configuration of twinning in the tetragonal phase. The observations in this study provided useful information for understanding the relationship between the crystallographic domains and the magnetic domains in MnV 2 O 4 .

元の言語英語
ページ(範囲)223-232
ページ数10
ジャーナルMicroscopy
65
発行部数3
DOI
出版物ステータス出版済み - 6 28 2016

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Magnetic domains
Mechanical Stress
cryogenic temperature
magnetic domains
Cryogenics
Microscopy
Electron microscopes
Hot Temperature
electron microscopes
Twinning
Electrons
twinning
orbitals
Temperature
phase transformations
Phase transitions
configurations
Metal foil
cryogenics
Thermal expansion

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Instrumentation
  • Radiology Nuclear Medicine and imaging

これを引用

Application of strain to orbital-spin-coupled system MnV 2 O 4 at cryogenic temperatures within a transmission electron microscope . / Murakami, Yasukazu; Suzuki, T.; Nii, Y.; Murai, S.; Arima, T.; Kainuma, R.; Shindo, D.

:: Microscopy, 巻 65, 番号 3, 28.06.2016, p. 223-232.

研究成果: ジャーナルへの寄稿記事

Murakami, Yasukazu ; Suzuki, T. ; Nii, Y. ; Murai, S. ; Arima, T. ; Kainuma, R. ; Shindo, D. / Application of strain to orbital-spin-coupled system MnV 2 O 4 at cryogenic temperatures within a transmission electron microscope :: Microscopy. 2016 ; 巻 65, 番号 3. pp. 223-232.
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abstract = "The impact of mechanical stress on the morphology of crystallographic and magnetic domains in shape-controlled specimens of an orbital-spin-coupled system, MnV 2 O 4 , was examined by cryogenic Lorentz microscopy. Because of the difference in thermal expansion coefficients of MnV 2 O 4 and the supporting Mo mesh, compression on the order of 0.01{\%} was applied to the thin-foil specimens near the structural/magnetic phase transformation temperatures. The extent of compression was comparable to the lattice striction associated with the cubic-to-tetragonal phase transformation in MnV 2 O 4 . The applied strain thus clearly influenced themorphology of crystallographic domains (i.e. twinning configuration in the tetragonal phase) produced during cooling. The magnetic domain structure was entirely dependent on the configuration of twinning in the tetragonal phase. The observations in this study provided useful information for understanding the relationship between the crystallographic domains and the magnetic domains in MnV 2 O 4 .",
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AU - Murakami, Yasukazu

AU - Suzuki, T.

AU - Nii, Y.

AU - Murai, S.

AU - Arima, T.

AU - Kainuma, R.

AU - Shindo, D.

PY - 2016/6/28

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N2 - The impact of mechanical stress on the morphology of crystallographic and magnetic domains in shape-controlled specimens of an orbital-spin-coupled system, MnV 2 O 4 , was examined by cryogenic Lorentz microscopy. Because of the difference in thermal expansion coefficients of MnV 2 O 4 and the supporting Mo mesh, compression on the order of 0.01% was applied to the thin-foil specimens near the structural/magnetic phase transformation temperatures. The extent of compression was comparable to the lattice striction associated with the cubic-to-tetragonal phase transformation in MnV 2 O 4 . The applied strain thus clearly influenced themorphology of crystallographic domains (i.e. twinning configuration in the tetragonal phase) produced during cooling. The magnetic domain structure was entirely dependent on the configuration of twinning in the tetragonal phase. The observations in this study provided useful information for understanding the relationship between the crystallographic domains and the magnetic domains in MnV 2 O 4 .

AB - The impact of mechanical stress on the morphology of crystallographic and magnetic domains in shape-controlled specimens of an orbital-spin-coupled system, MnV 2 O 4 , was examined by cryogenic Lorentz microscopy. Because of the difference in thermal expansion coefficients of MnV 2 O 4 and the supporting Mo mesh, compression on the order of 0.01% was applied to the thin-foil specimens near the structural/magnetic phase transformation temperatures. The extent of compression was comparable to the lattice striction associated with the cubic-to-tetragonal phase transformation in MnV 2 O 4 . The applied strain thus clearly influenced themorphology of crystallographic domains (i.e. twinning configuration in the tetragonal phase) produced during cooling. The magnetic domain structure was entirely dependent on the configuration of twinning in the tetragonal phase. The observations in this study provided useful information for understanding the relationship between the crystallographic domains and the magnetic domains in MnV 2 O 4 .

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