Disordering and Conversion of Lead Selenide into an Efficient Ferroelectric Based on Lead Selenite-Reference-Cited by-同舟云学术

Disordering and Conversion of Lead Selenide into an Efficient Ferroelectric Based on Lead Selenite

Published:2023-05-01 Issue:3 Volume:49 Page:369-380
ISSN:0132-6651
Container-title:Физика и химия стекла
language:
Short-container-title:Fizika i himiâ stekla

Author:

Tomaev V. V.¹²,Syrkov A. G.²,Sychev M. M.¹

Affiliation:

1. St. Petersburg State Technological Institute (Technical University)

2. St. Petersburg Mining University

Abstract

An approach is proposed to reduce the stability of the cubic phase of lead selenide by thermal oxidation with atmospheric oxygen and its transformation into an ordered monoclinic phase of lead selenite. An estimated thermodynamic analysis (TA) of the course of possible chemical reactions of lead selenide oxidation with oxygen is carried out. The kinetics of lead selenide oxidation with atmospheric oxygen are studied by X-ray emission analysis, X-ray diffractometry, optical reflection in the infrared region of the spectrum, studies of conductivity in direct and alternating currents, and nuclear magnetic resonance. For the PbSeO3 structure, the Goldschmidt stability factor was estimated and it was shown that the structure can be classified as perovskite-like and have ferroelectric properties.

Publisher

The Russian Academy of Sciences

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