Large magnetization jumps in Ca-doped bismuth ferromanganite

被引：0

作者：

Khomchenko, V. A. ^{[1
]}

Das, M. ^{[1
]}

Paixao, J. A. ^{[1
]}

Silibin, M. V. ^{[2
,3
,4
]}

Karpinsky, D. V. ^{[2
,5
]}

机构：

[1] Univ Coimbra, Dept Phys, CFisUC, P-3004516 Coimbra, Portugal

[2] Natl Res Univ Elect Technol MIET, Moscow 124498, Russia

[3] IM Sechenov First Moscow State Med Univ, Inst Bion Technol & Engn, Moscow 119991, Russia

[4] Sci Mfg Complex Technol Ctr, Moscow 124498, Russia

[5] Sci Pract Mat Res Ctr NAS Belarus, Minsk 220072, BELARUS

来源：

PHYSICA B-CONDENSED MATTER | 2022年 / 625卷

基金：

俄罗斯科学基金会;

关键词：

BiFeO3; Magnetic properties; Metamagnetic transition; Multiferroics; CRYSTAL; PHASE;

D O I：

10.1016/j.physb.2021.413509

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Magnetic properties of the phase-separated (antiferromagnetic + glassy) Bi0.85Ca0.15Fe0.6Mn0.4O3 multiferroic have been studied over a wide temperature range. It has been found that the material exhibits a metamagnetic transition (shifting toward smaller fields with decreasing temperature) which is accompanied by the magnetization jumps whose value (up to similar to 4 emu/g at T = 2 K) far exceeds that characteristic of the field-driven transformation from the cycloidal to the canted antiferromagnetic order in the pure BiFeO3. The metamagnetic behavior can be explained as originating from the spin-reorientation transition in the long rangeordered antiferromagnetic phase and involving magnetic moments from the glassy-like phase. The obtained results shed new light on the conditions favoring the coexistence of large switchable magnetization and spontaneous electric polarization in BiFeO3-based multiferroics.

引用

页数：4

共 19 条

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