Acousto-optical investigations of crystalline solid solutions

M. Malachowski, I. Kityk, B. Sahraoui, A. Mefleh
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Abstract

The variation of the acousto-optic figure of merit M in (GaAlN) single crystalline solid solutions with x, temperature and pressure are investigated. It is revealed that an increase of x up to 2.5% leads to an increase of the coefficient M and for higher x we observed a decrease of M. An increase of M with a decrease of temperature below 35 K was also found. The acousto-optical coefficient M reaches its maximal value at 4.2 K. Negligible influence of hydrostatic pressure on the acousto-optical properties of was found. In our opinion this reflects the high stability of the mentioned crystalline solid solutions.
结晶固溶体的声光研究
研究了(GaAlN)单晶固溶体中声光参量M随x、温度和压力的变化规律。结果表明,当x增大至2.5%时,M系数增大,当x增大时,M系数减小。在35 K以下,随着温度的降低,M系数增大。声光系数M在4.2 K时达到最大值。静水压力对材料声光特性的影响可以忽略不计。我们认为,这反映了上述结晶固溶体的高稳定性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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