with perovskite- and LiNbO-type structures型構造を有するPbNiOの合成,構造相転移,熱安定性,価電子状態及び磁気電気特性稲熊 宜之*; 田中 樹恵*; 土谷 武史*; 森 大輔*; 勝又 哲裕*; 大場 友則*; 開 康一*; 高橋 利宏*; 齋藤 寛之
Inaguma, Yoshiyuki*; Tanaka, Kie*; Tsuchiya, Takeshi*; Mori, Daisuke*; Katsumata, Tetsuhiro*; Oba, Tomonori*; Hiraki, Koichi*; Takahashi, Toshihiro*; Saito, Hiroyuki
We synthesized two high-pressure polymorphs PbNiO with different structures, a perovskite-type and a LiNbO-type structure, and investigated their formation behavior, detailed structure, structural transformation, thermal stability, valence state of cations, and magnetic and electronic properties. A perovskite-type PbNiO synthesized at 800
C under a pressure of 3 GPa crystallizes as an orthorhombic GdFeO-type structure with a space group Pnma. The reaction under high pressure was monitored by an in situ energy dispersive X-ray diffraction experiment, which revealed that a perovskit-type phase was formed even at 400C under 3 GPa.
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巻 |
: | 133 |
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: | 42 |
ページ数 |
: | p.16920 - 16929 |
発行年月 |
: | 2011/09 |
キーワード |
: | no keyword |
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パーセンタイル：85.78 分野：Chemistry, Multidisciplinary |
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