Fabrication and characterization of nanostructured Fe3S4, an isostructural compound of half-metallic Fe3O4

被引：11

作者：

Li, Peng ^{[1
,2
]}

Xia, Chuan ^{[1
]}

Zhang, Qiang ^{[1
]}

Guo, Zaibing ^{[3
]}

Cui, Wenyao ^{[2
]}

Bai, Haili ^{[2
]}

Alshareef, Husam N. ^{[1
]}

Zhang, Xi-xiang ^{[1
]}

机构：

[1] KAUST, Div Phys Sci & Engn, Thuwal 23955, Saudi Arabia

[2] Tianjin Univ, Inst Adv Mat Phys, Fac Sci, Tianjin Key Lab Low Dimens Mat Phys & Preparing T, Tianjin 300072, Peoples R China

[3] King Abdullah Univ Sci & Technol, Adv Nanofabricat Imaging & Characterizat Core Lab, Thuwal 239955, Saudi Arabia

来源：

JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 22期

基金：

美国国家科学基金会;

关键词：

MAGNETIC-PROPERTIES; MAGNETOTACTIC BACTERIUM; SPINEL FE3S4; MAGNETORESISTANCE; FILMS; PERFORMANCE;

D O I：

10.1063/1.4922578

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High-purity, well-crystallized spinel Fe3S4 nanoplatelets were synthesized by the hydrothermal method, and the saturation magnetic moment of Fe3S4 was measured at 1.83 mu(B)/f.u. The temperaturedependent resistivity of Fe3S4 was metallic-like for T < 180K: room-temperature resistivity was measured at 7.711 x 10(3) mu Omega cm. The anomalous Hall conductivity of Fe3S4 decreased with increasing longitudinal conductivity, in sharp contrast with the accepted theory of the anomalous Hall effect in a dirty-metal regime. Furthermore, negligible spin-dependent magnetoresistance was observed. Band structure calculations confirmed our experimental observations that Fe3S4 is a metal and not a half metal as expected. (C) 2015 AIP Publishing LLC.

引用

页数：6

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