Compressibility of a natural kyanite to 17.5 GPa

被引：23
|
作者：
Liu, Xi [1 ,2 ]
Shieh, Sean R. [3 ]
Fleet, Michael E. [3 ]
Zhang, Lifei [1 ,2 ]
机构：
[1] Peking Univ, MOE, Key Lab Orogen Belts & Crustal Evolut, Beijing 100871, Peoples R China
[2] Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
[3] Univ Western Ontario, Dept Earth Sci, London, ON N6A 5B7, Canada
来源：
PROGRESS IN NATURAL SCIENCE | 2009年 / 19卷 / 10期
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
Compressibility; High-pressure; Isothermal bulk modulus; Kyanite; Synchrotron X-ray diffraction; HIGH-PRESSURE BEHAVIOR; DECOMPOSITION; SILLIMANITE; STISHOVITE; AL2SIO5; PHASE; TEMPERATURE; SUBDUCTION; ANDALUSITE; CORUNDUM;
D O I：
10.1016/j.pnsc.2009.04.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The compressional behaviour of a natural kyanite, (Al(1.99)Fe(0.01))SiO(5), has been investigated to about 17.5 GPa at 300 K using a diamond-anvil cell and synchrotron X-ray diffraction. The pressure-volume data fitted to the third-order Birch-Murnaghan equation of state (EoS) yield an isothermal bulk modulus (K(0T)) of 192 +/- 6 GPa and pressure derivative (K'(0T)) of 6 +/- 1. When K'(0T) is fixed as 4, the derived K(0T) is 201 +/- 2 GPa. These values are in excellent agreement with most experimental determinations in the literature. Consequently, it can be concluded that the compressibility of kyanite under high pressures has been accurately constrained. (C) 2009 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
引用
收藏
页码：1281 / 1286
页数：6
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