Making room-temperature ferromagnetism in lead-free ferroelectric Bi0.5Na0.5TiO3 material

被引：60

作者：

Thanh, L. T. H. ^{[1
,5
]}

Doan, N. B. ^{[2
,3
]}

Bac, L. H. ^{[1
]}

Thiet, D. V. ^{[1
,4
]}

Cho, S. ^{[4
]}

Bao, P. Q. ^{[5
]}

Dung, D. D. ^{[1
]}

机构：

[1] Ha Noi Univ Sci & Technol, Sch Engn Phys, 1 Dai Co Viet Rd, Hanoi, Vietnam

[2] CNRS, Inst Neel, F-38042 Grenoble, France

[3] Univ Grenoble Alpes, Inst Neel, F-38042 Grenoble, France

[4] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea

[5] Hanoi Natl Univ, Fac Phys, Coll Sci, 334 Nguyen Trai Rd, Hanoi, Vietnam

来源：

MATERIALS LETTERS | 2017年 / 186卷

关键词：

Sol-gel preparation; Lead-free ferroelectric; Ferromagnetism; Multiferroics; Perovskites;

D O I：

10.1016/j.matlet.2016.09.105

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have successfully fabricated Mn-doped wide band gap lead-free ferroelectric Bi0.5Na0.5TiO3 by sol-gel technique. The band gap reduced from 3.12 to 1.71 eV as increasing doping Mn concentration level up to 9 mol %. The room temperature ferromagnetism in Mn-doped Bi0.5Na0.5TiO3 samples was observed. The magnetic moment was around 2.69 mu B/Mn at 5 K. We expected that this work will open the new direction for advance function of lead-free ferroelectric materials.

引用

页码：239 / 242

页数：4

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