Preparation of SrVO3 by annealing of Sr2V2O7 in a reducing atmosphere

被引：0

作者：

Lee, Edward ^{[1
]}

Harris, Richard A. ^{[1
]}

Terblans, Jacobus J. ^{[1
]}

Coetsee, Elizabeth ^{[1
]}

Kumar, Vinay ^{[1
,2
]}

Swart, Hendrik C. ^{[1
]}

机构：

[1] Univ Free State, Dept Phys, POB 339, ZA-9300 Bloemfontein, South Africa

[2] Cent Univ Jammu, Dept Phys & Astron Sci, Samba 181143, India

来源：

CHEMICAL PHYSICS IMPACT | 2024年 / 9卷

基金：

新加坡国家研究基金会;

关键词：

SrVO3; X-ray photoelectron spectroscopy; Vanadium; ELECTRICAL-CONDUCTIVITY; THIN-FILMS;

D O I：

10.1016/j.chphi.2024.100715

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This study focuses on the synthesis of SrVO3 3 through the reduction of Sr2V2O7 2 V 2 O 7 by annealing in a reducing atmosphere. The effects of annealing temperature and annealing duration on Sr2V2O7 2 V 2 O 7 were investigated. The X-ray powder diffraction pattern showed that stoichiometric changes to Sr2V2O7 2 V 2 O 7 were achieved only at an elevated annealing temperature of 1000 degrees C in a reducing atmosphere, and that the desired SrVO3 3 was obtained only after 144 h of annealing. Further investigation of SrVO3 3 was performed using X-ray photoelectron spectroscopy, which confirmed that the reduction of V 5+ found in Sr2V2O7 2 V 2 O 7 to V 4+ found in SrVO3 3 was achieved.

引用

页数：5

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