Thermophysical properties of single crystals and ceramics based on thallium and silver halides

IF 3 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materialia Pub Date : 2024-12-26 DOI:10.1016/j.mtla.2024.102326

Ivan Yuzhakov , Dmitrii Salimgareev , Alexander Lvov , Alexander Shmygalev , Alexei Rudenko , Anastasia Yuzhakova , Liya Zhukova

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Abstract

Temperature dependences of electrical conductivity, heat capacity and heat diffusivity in the range of 30–250 °C were studied for single crystals and optical ceramics based on metal halides of the TlBr_0.46I_0.54 – AgI, TlCl_0.74Br_0.26 – AgI, TlBr_0.46I_0.54 – AgCl_0.25Br_0.75, TlCl_0.74Br_0.26 – AgCl_0.25Br_0.75 systems. The properties of superionic conductors were discovered in materials with ionic bonds Ag – I, Tl – I with the strongest characteristics in the TlBr_0.46I_0.54 – AgCl_0.25Br_0.75 system's compounds. The influence of dissimilar ions number and their proportion in the crystal lattice was revealed by calculating the diffusion coefficients of silver and analyzing the conductivity curves. Heat capacity and thermal conductivity coefficients showed the least susceptibility to the temperature influence in solid solutions with a large number of dissimilar elements TlBr_0.46I_0.54 – AgCl_0.25Br_0.75, TlCl_0.74Br_0.26 – AgCl_0.25Br_0.75. The obtained dependencies determine the areas of materials application and allow predicting the technological modes of their processing.

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来源期刊

Materialia MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.40

自引率

2.90%

发文量

345

审稿时长

36 days

期刊介绍： Materialia is a multidisciplinary journal of materials science and engineering that publishes original peer-reviewed research articles. Articles in Materialia advance the understanding of the relationship between processing, structure, property, and function of materials. Materialia publishes full-length research articles, review articles, and letters (short communications). In addition to receiving direct submissions, Materialia also accepts transfers from Acta Materialia, Inc. partner journals. Materialia offers authors the choice to publish on an open access model (with author fee), or on a subscription model (with no author fee).