Origins of phase transitions in valence fluctuating YbPd

Akihiro Mitsuda, Masaki Sugishima, Takumi Hasegawa, Satoshi Tsutsui, Masahiko Isobe, Yutaka Ueda, Masayuki Udagawa, Hirofumi Wada

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

The cubic YbPd compound undergoes two first-order phase transitions at T1 = 125K and T2 = 105 K. We report the experimental results of the X-ray diffraction (XRD) and electron diffraction of single crystals of YbPd at low temperatures. Below T1, the (h00) Bragg peaks (h: an integer) are split into two subpeaks. Below T2, the superlattice reflections of (n=2; 0; 0) (n: an odd number) in the XRD patterns and the superlattice spots of (1=2; 0; 0), (0; 1=2; 0), and (1=2; 1=2; 0) in the electron diffraction profile appear, which suggests the valence order of YbPd. We discuss two possible structures, assuming a tetragonal symmetry below T 1. The origins of the transitions at T1 and T2 are probably the band Jahn-Teller effect and the valence order, respectively.

元の言語英語
記事番号084712
ジャーナルjournal of the physical society of japan
82
発行部数8
DOI
出版物ステータス出版済み - 8 1 2013

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electron diffraction
valence
Jahn-Teller effect
integers
x rays
diffraction patterns
single crystals
symmetry
profiles
diffraction

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Origins of phase transitions in valence fluctuating YbPd. / Mitsuda, Akihiro; Sugishima, Masaki; Hasegawa, Takumi; Tsutsui, Satoshi; Isobe, Masahiko; Ueda, Yutaka; Udagawa, Masayuki; Wada, Hirofumi.

:: journal of the physical society of japan, 巻 82, 番号 8, 084712, 01.08.2013.

研究成果: ジャーナルへの寄稿記事

Mitsuda, A, Sugishima, M, Hasegawa, T, Tsutsui, S, Isobe, M, Ueda, Y, Udagawa, M & Wada, H 2013, 'Origins of phase transitions in valence fluctuating YbPd', journal of the physical society of japan, 巻. 82, 番号 8, 084712. https://doi.org/10.7566/JPSJ.82.084712
Mitsuda, Akihiro ; Sugishima, Masaki ; Hasegawa, Takumi ; Tsutsui, Satoshi ; Isobe, Masahiko ; Ueda, Yutaka ; Udagawa, Masayuki ; Wada, Hirofumi. / Origins of phase transitions in valence fluctuating YbPd. :: journal of the physical society of japan. 2013 ; 巻 82, 番号 8.
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abstract = "The cubic YbPd compound undergoes two first-order phase transitions at T1 = 125K and T2 = 105 K. We report the experimental results of the X-ray diffraction (XRD) and electron diffraction of single crystals of YbPd at low temperatures. Below T1, the (h00) Bragg peaks (h: an integer) are split into two subpeaks. Below T2, the superlattice reflections of (n=2; 0; 0) (n: an odd number) in the XRD patterns and the superlattice spots of (1=2; 0; 0), (0; 1=2; 0), and (1=2; 1=2; 0) in the electron diffraction profile appear, which suggests the valence order of YbPd. We discuss two possible structures, assuming a tetragonal symmetry below T 1. The origins of the transitions at T1 and T2 are probably the band Jahn-Teller effect and the valence order, respectively.",
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AU - Sugishima, Masaki

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AU - Tsutsui, Satoshi

AU - Isobe, Masahiko

AU - Ueda, Yutaka

AU - Udagawa, Masayuki

AU - Wada, Hirofumi

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