Preparation and Magnetic Studies of Mn Substituted Analogues of BiFeO3

被引：2

作者：

Choudhary, B. L. ^{[1
]}

Kumar, Sudhish ^{[1
]}

Krishnamurthy, Anjali ^{[1
]}

Srivastava, Bipin K. ^{[1
]}

机构：

[1] Univ Rajasthan, Dept Phys, Jaipur 302004, Rajasthan, India

来源：

XVI NATIONAL SEMINAR ON FERROELECTRICS AND DIELECTRICS (NSFD-XVI) | 2011年 / 1372卷

关键词：

structural distortion; antiferromagnetic; CRYSTAL; TEMPERATURE; MANGANESE;

D O I：

10.1063/1.3644422

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Manganese substituted samples (for iron) in the multiferroic BiFeO3 have been prepared using solid state ceramic route. It has been possible to prepare a sample with the highest 40% Mn content. Reitveld analysis of the X-ray diffraction patterns shows that the substituted analogues crystallize in rhombohedral symmetry in R-(3) over barc space group. Effort to prepare 50 atomic% Mn substituted sample did not succeed. Magnetization measurements have been made in the temperature range 20K - 300K and in fields upto 8 kOe. Magnetic nature of the 40 atomic% Mn substituted sample is alike that of 30 atomic% Mn substituted one. Mn induces weak ferromagnetism with the average magnetic moment increasing with its concentration.

引用

页数：4

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