Critical Behaviour of the Heat Capacity Near the α-β Phase Transition in Quartz

H. Yurtseven; M. Desticioglu

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Critical Behaviour of the Heat Capacity Near the α-β Phase Transition in Quartz

机译：石英中α-β相变附近热容的临界行为

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摘要

The α-β transition (Tq = 578℃) is studied in quartz by analyzing the experimental heat capacity C_p data taken from the literature, using a power-law formula. Values of the critical exponent α for C_p are extracted below and above Tq , which describe the α-β transition as a second order transition in quartz . The α values obtained here are compared with the predictions of the theoretical models.

机译：通过使用幂律公式分析从文献中获得的实验热容C_p数据，研究了石英中的α-β跃迁（Tq = 578℃）。在Tq的上下分别提取C_p的临界指数α的值，该值将α-β跃迁描述为石英中的二阶跃迁。将此处获得的α值与理论模型的预测值进行比较。

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来源
《High temperature materials and processes》 |2013年第2期|189-194|共6页
作者
H. Yurtseven; M. Desticioglu;
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作者单位

Department of Physics,Middle East Technical Universty, 06531 Ankara-Turkey;

Department of Physics, Middle East Technical Universty,Ankara-Turkey;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
Heat capacity; α-β transition; quartz;

机译：热容量;α-β过渡;石英;

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1. Critical Behaviour of the Heat Capacity Near the α- β Phase Transition in Quartz [J] . H. Yurtseven, M. Desticio?lu High temperature materials and processes . 2013,第2期

机译：石英的α-β相变附近的热容的临界行为
2. Heat-capacity behaviour of hemimorphite, Zn4Si2O7(OH)(2)center dot H2O, and its dehydrated analogue Zn4Si2O7(OH)(2): a calorimetric and thermodynamic investigation of their phase transitions [J] . Dachs E, Geiger CA European journal of mineralogy . 2009,第5期

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3. Heat capacity anomalies along the critical isotherm in fluid-fluid phase transitions [J] . Patricia Losada-Perez, German Perez-Sanchez, Jacobo Troncoso The Journal of Chemical Physics . 2010,第15期

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Critical Behaviour of the Heat Capacity Near the α-β Phase Transition in Quartz

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