ISSN:
1573-4803
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract The tetragonal unit cell dimensions a and c of ZnSiAs1.5P0.5 and ZnSiAs0.5P1.5 have been accurately determined over the temperature range 28 to 671° C by X-ray powder diffraction. In both compounds, a increased nonlinearly and c linearly with temperature, the linear coefficient of expansion in the a-direction (α ⊥) being greater than that in the c-direction (α ∥). This indicates an “increase” in the tetragonal distortion, (2-c/a), with temperature. An attempt is made to explain the anisotropic thermal expansion and the increase in the tetragonal distortion with temperature of these crystals in terms of the thermal expansion of the II-V and IV-V bonds.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00543820
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