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The Linear Coefficient of Thermal Expansion of Silicon at Room Temperature

Published online by Cambridge University Press:  10 January 2013

Liu Fengchao  and
Zheng Bin
Liu Fengchao
Affiliation:
Department of Physics, South China Normal University, Guangzhou 510631, China
Zheng Bin
Affiliation:
Department of Physics, South China Normal University, Guangzhou 510631, China
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Abstract

The linear coefficient of thermal expansion for three silicon single-crystal samples, taken from the head, middle, and tail of the same boule, and their powder samples have been measured at room temperature by using an X-ray powder diffractometer. All samples yield the same expansion value α=2.45 (± 0.04) × 10−6 °C at 25 °C. The results of this experiment show that the linear coefficient of thermal expansion of silicon at room temperature is not dependent on its single-crystal state or its powder state.

Type
Research Article
Information
Powder Diffraction , Volume 6 , Issue 3 , September 1991 , pp. 147 - 152
Copyright
Copyright © Cambridge University Press 1991

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