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フルテキストURL2007020115.pdf ( 56.5KB ) 公開日 2010-04-16
タイトルStructural change of the surroundings of K^+ in K_2ZnBr_4 crystal on the monoclinic-orthorhombic phase transition
作成者Kasano, H.
Sato, J.
Mashiyama, H.
作成者ヨミマシヤマ, ヒロユキ
作成者別表記Mashiyama, Hiroyuki
増山, 博行
作成者所属山口大学大学院理工学研究科(理学)
内容記述(抄録等)In K_2ZnBr_4 crystal, the monoclinic phase with the Sr_2GeS_4-type structure (P2_1/m, Z =2) is transformed into the orthorhombic phase with the β-K_2SO_4-type structure (Pmcn, Z =4) above 470K (an α-β transition). This α-β transition is known to be a reconstructive one. The crystal structure of the orthorhombic phase is refined in order to investigate in detail the structural change on the phase transition. It is found that the structure of the surroundings of one of two independent K^+'s in the monoclinic phase is almost the same as the rotated structure of the surroundings of one of two independent K^+'s in the orthorhombic one. We also discuss the difference between the crystal structures of K_2ZnCl_4 (orthorhombic) and K_2ZnI_4 (monoclinic) and the corresponding structures of K_2ZnBr_4 .
本文言語eng
著者キーワードK_2ZnBr_4
α-β transition
Sr_2GeS_4-type structure
β-K_2SO_4-type structure
crystal structure analysis
資料タイプtext
ファイル形式application/pdf
出版者Taylor and Francis
NII資料タイプ学術雑誌論文
査読の有無査読あり
ISSN0015-0193
NCIDAA00644949
掲載誌名Ferroelectrics
269
開始ページ141
終了ページ146
発行日2002
DOIinfo:doi/10.1080/00150190211127
関連情報URL(IsPartOf)http://www.tandf.co.uk/journals/titles/00150193.asp
著者版/出版社版著者版
リポジトリID2007020115
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/2007020115