鈣鈦礦

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鈣鈦礦 (Perovskite)
基本資料
類別 氧化物礦物
化學式 CaTiO3
施特龙茨分类 04.CC.30
性質
分子量 135.96 u
顏色 Black, reddish brown, pale yellow, yellowish orange
晶体惯态 Pseudo cubic – crystals show a cubic outline
晶系 Orthorhombic (2/m 2/m 2/m) space group: Pnma
雙晶 complex penetration twins
解理 [100] good, [010] good, [001] good
斷口 Conchoidal
硬度 5–5.5
光澤 Adamantine to metallic; may be dull
條痕 grayish white
透明性 Transparent to opaque
比重 3.98–4.26
光學性質 Biaxial (+)
折射率 nα=2.3, nβ=2.34, nγ=2.38
其他特徵 non-radioactive, non-magnetic
參考文獻 [1][2][3][4][5][6][7][8]

鈣鈦礦是指一類陶瓷氧化物,其分子通式為ABO3;此類氧化物最早被發現者,是存在於鈣鈦礦石中的鈦酸鈣(CaTiO3)化合物,因此而得名。由於此類化合物結構上有許多特性,在凝聚体物理学方面應用及研究甚廣,所以物理學家與化學家常以其分子公式中各化合物的比例(1:1:3)來簡稱之,因此又名「113結構」。

参见[编辑]

參考[编辑]

  1. ^ Perovskite. Webmineral
  2. ^ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W. and Nichols, Monte C. (Eds.) Perovskite. Handbook of Mineralogy. Mineralogical Society of America, Chantilly, VA
  3. ^ Naoki Inoue and Yanhui Zou Physical properties of perovskite-type lithium ionic conductor.Ch. 8 in Takashi Sakuma and Haruyuki Takahashi (Eds.) Physics of Solid State Ionics (2006) pp. 247–269 ISBN 81-308-0070-5
  4. ^ Veksler, I.V.; Teptelev, M.P. Conditions for crystallization and concentration of perovskite-type minerals in alkaline magmas. Lithos. 1990, 26: 177–189. Bibcode:1990Litho..26..177V. doi:10.1016/0024-4937(90)90047-5. 
  5. ^ Luxová, Jana; Šulcová, Petra; Trojan, M. Study of Perovskite (PDF). Journal of Thermal Analysis and Calorimetry. 2008, 93 (3): 823–827. doi:10.1007/s10973-008-9329-z. 
  6. ^ Lufaso, Michael W.; Woodward, Patrick M. Jahn–Teller distortions, cation ordering and octahedral tilting in perovskites. Acta Crystallographica Section B Structural Science. 2004, 60: 10–20. doi:10.1107/S0108768103026661. 
  7. ^ Chakhmouradian, Anton R. & Mitchell, Roger H. Compositional variation of perovskite-group minerals from the Khibina Complex, Kola Peninsula, Russia (PDF). The Canadian Mineralogist. 1998, 36: 953–969. 
  8. ^ Lemanov, V; Sotnikov, A.V.; Smirnova, E.P.; Weihnacht, M.; Kunze, R. Perovskite CaTiO3 as an incipient ferroelectric. Solid State Communications. 1999, 110 (11): 611–614. Bibcode:1999SSCom.110..611L. doi:10.1016/S0038-1098(99)00153-2.