Phase Separation in the Double Perovskite Sr2FeNbO6-δ

被引：3

作者：

Popov, Daniil ^{[1
]}

Batulin, Ruslan ^{[2
]}

Cherosov, Mikhail ^{[2
]}

Vagizov, Farit ^{[2
]}

Zinnatullin, Almaz ^{[2
]}

Chupakhina, Tatiana ^{[3
]}

Deeva, Yuliya ^{[3
]}

Maiti, Tanmoy ^{[4
]}

Eremina, Rushana ^{[1
]}

机构：

[1] RAS, Kazan Sci Ctr, Fed Res Ctr, Zavoisky Phys Tech Inst, Kazan 420029, Russia

[2] Kazan Volga Reg Fed Univ, Inst Phys, Kazan 420008, Russia

[3] Russian Acad Sci UB, Inst Solid State Chem, Ekaterinburg 620990, Russia

[4] Indian Inst Technol, Dept Mat Sci & Engn, Kanpur 208016, Uttar Pradesh, India

来源：

MAGNETOCHEMISTRY | 2023年 / 9卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

Mossbauer spectra; specific heat capacity; double perovskite; MAGNETIC-PROPERTIES; MOSSBAUER-SPECTRA; OXIDE;

D O I：

10.3390/magnetochemistry9100219

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The ceramic perovskite Sr2FeNbO6-delta was synthesized via the solution combustion precursor method. X-ray phase analysis showed that the sample is single-phase and does not contain impurities. The specific heat capacity and the Mossbauer spectra were measured for the Sr2FeNbO6-delta ceramic in the temperature range of 4-300 K. The observation of an asymmetric doublet in the Mossbauer spectra and the literature data on the magnetic susceptibility indicated the presence of two magnetic subsystems in Sr2FeNbO6-delta with antiferromagnetic exchange interactions. Based on the analysis of the temperature dependence of the specific heat capacity, we determined the Debye and Einstein temperatures.

引用

页数：14

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