A simple model for calculating the bulk modulus of the mixed ionic crystal: NH4Cl1−xBr𝑥

Pramana

Vassiliki Katsika-Tsigourakou1¹ 

[1] Department of Solid State Physics, Faculty of Physics, University of Athens, Panepistimiopolis, 157 84 Zografos, Greece$$

关键词: Compressibility;    mixed crystal;    defect volume.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

The ammonium halides are an interesting systems because of their polymorphism and the possible internal rotation of the ammonium ion. The static properties of the mixed ionic crystal NH4Cl1−𝑥Br𝑥 have been recently investigated, using the three-body potential model (TDPM) by applying Vegard’s law. Here, by using a simple theoretical model, we estimate the bulk modulus of the alloys NH4Cl1−𝑥Br𝑥, in terms of the bulk modulus of the end members alone. The calculated values are comparable to those deduced from the three-body potential model (TDPM) by applying Vegard’s law.

【 授权许可】

Unknown