Abstract
Single-phase powders of AgxPb1-xS cubic solid solutions with a maximum relative silver content up to x = 0.12 were synthesized from aqueous solutions of lead acetate and silver nitrate in the presence of a sulfidizing agent, complexing and stabilizing agents. Thermal expansion of synthesized semiconductor solid solutions AgxPb1-xS was measured for the first time by dilatometry in the temperature range of 295-580 K. It is shown that the replacement of lead atoms by silver atoms in AgxPb1-xS leads to a small decrease in the thermal expansion coefficient associated with a change in the anharmonicity of atomic oscillations.
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