Features of structural phase transitions in Ca2-xSmxMnO4

H. Saito; Y. Inoue; F. Munakata; M. Yamanaka; J. Takahashi; N. Kamegashira; Y. Koyama

doi:10.1016/0921-4534(94)91601-2

Features of structural phase transitions in Ca_2-xSm_xMnO₄

H. Saito^*, Y. Inoue, F. Munakata, M. Yamanaka, J. Takahashi, N. Kamegashira, Y. Koyama

^*Corresponding author for this work

School of Fundamental Science and Engineering

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

3 Citations (Scopus)

Abstract

Features of structural transitions in Ca_2-xSm_xMnO₄ have been investigated by means of electron diffraction. When the temperature is lowered from a high-temperature tetragonal (HTT) phase in x = 0.3, there are successive transitions from the HTT phase to a low-temperature orthorhombic (LTO) one at 300 K and further to a low-temperature tetragonal (LTT) one at 100 K. In electron diffraction patterns, satellite spots with q ̄ = 1 8〈110〉 also appear below about 290 K. Features of the satellite spot arc that it is observed in 0.1 ≤ x ≤ 0.35 and its location depends on x.

Original language	English
Pages (from-to)	753-754
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	235-240
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4534(94)91601-2
Publication status	Published - 1994 Dec

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(94)91601-2

Cite this

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title = "Features of structural phase transitions in Ca2-xSmxMnO4",

abstract = "Features of structural transitions in Ca2-xSmxMnO4 have been investigated by means of electron diffraction. When the temperature is lowered from a high-temperature tetragonal (HTT) phase in x = 0.3, there are successive transitions from the HTT phase to a low-temperature orthorhombic (LTO) one at 300 K and further to a low-temperature tetragonal (LTT) one at 100 K. In electron diffraction patterns, satellite spots with q{\= } = 1 8〈110〉 also appear below about 290 K. Features of the satellite spot arc that it is observed in 0.1 ≤ x ≤ 0.35 and its location depends on x.",

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T1 - Features of structural phase transitions in Ca2-xSmxMnO4

AU - Saito, H.

AU - Inoue, Y.

AU - Munakata, F.

AU - Yamanaka, M.

AU - Takahashi, J.

AU - Kamegashira, N.

AU - Koyama, Y.

PY - 1994/12

Y1 - 1994/12

N2 - Features of structural transitions in Ca2-xSmxMnO4 have been investigated by means of electron diffraction. When the temperature is lowered from a high-temperature tetragonal (HTT) phase in x = 0.3, there are successive transitions from the HTT phase to a low-temperature orthorhombic (LTO) one at 300 K and further to a low-temperature tetragonal (LTT) one at 100 K. In electron diffraction patterns, satellite spots with q ̄ = 1 8〈110〉 also appear below about 290 K. Features of the satellite spot arc that it is observed in 0.1 ≤ x ≤ 0.35 and its location depends on x.

AB - Features of structural transitions in Ca2-xSmxMnO4 have been investigated by means of electron diffraction. When the temperature is lowered from a high-temperature tetragonal (HTT) phase in x = 0.3, there are successive transitions from the HTT phase to a low-temperature orthorhombic (LTO) one at 300 K and further to a low-temperature tetragonal (LTT) one at 100 K. In electron diffraction patterns, satellite spots with q ̄ = 1 8〈110〉 also appear below about 290 K. Features of the satellite spot arc that it is observed in 0.1 ≤ x ≤ 0.35 and its location depends on x.

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Features of structural phase transitions in Ca_2-xSm_xMnO₄

Abstract

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