Room-temperature magnetoelectric coupling in Bi4(Ti1Fe2)O12-δ system

被引：27

作者：

Chen, X. Q. ^{[1
,2
]}

Yang, F. J. ^{[1
,2
]}

Cao, W. Q. ^{[1
,2
]}

Wang, D. Y. ^{[3
]}

Chen, K. ^{[1
,2
]}

机构：

[1] Hubei Univ, Sch Phys & Elect Technol, Wuhan 430062, Hubei, Peoples R China

[2] Hubei Univ, Key Lab Ferroelect & Piezoelect Mat & Devices Hub, Wuhan 430062, Hubei, Peoples R China

[3] Harbin Inst Technol, Shenzhen Grad Sch, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2010年 / 43卷 / 06期

关键词：

FILM;

D O I：

10.1088/0022-3727/43/6/065001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Bi-4(Ti1Fe2)O12-delta ceramics were prepared by the conventional solid state reaction method. The sample exhibited ferroelectricity and magnetism simultaneously at room temperature, which was demonstrated by the ferroelectric (2P(r) = 4.1 mu C cm(-2), 2E(c) = 42 kV cm(-1) at applied electric field 31 kV cm(-1)) and ferromagnetic (M-r = 3 x 10(-3) emu g(-1), H-c = 218 Oe) hysteresis loops. Changes of 19.7% and 17.1% in, respectively, remanent polarization and magnetization after poling the sample in magnetic and dc electric for fields 10 min were evidence of magnetoelectric coupling between the electric dipoles and magnetic dipoles at room temperature.

引用

页数：4

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