Structural, optical and magnetic properties of Fe3O4 sputtered TeO2-PbO-B2O3 and PbO-Bi2O3-B2O3 glasses for sensing applications

被引：34

作者：

Chen, Qiuling ^{[1
]}

Wang, Hui ^{[2
]}

Perero, Sergio ^{[2
]}

Wang, Qingwei ^{[1
]}

Chen, Qiuping ^{[2
]}

机构：

[1] Henan Univ Technol, Sch Mat Sci & Engn, Zhengzhou 450007, Henan, Peoples R China

[2] Politecn Torino, Dept Appl Sci & Technol, I-10129 Turin, Italy

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2015年 / 408卷

关键词：

Sputtering of Fe3O4; Magneto optical glass; Magneto optical sensing; Verdet constant; SURFACE; MAGNETORESISTANCE; TRANSITION; SILICA; XPS;

D O I：

10.1016/j.jnoncrysol.2014.10.011

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The Fe3O4 nanoparticles, incorporated into two diamagnetic glasses (TeO2-PbO-B2O3 and PbO-Bi2O3-B2O3) by DC magnetron sputtering, were annealed at 300 degrees C for 22 h in order to investigate the influence to the thermal stability and magneto-optical properties of glasses. The structure, morphology and magnetic properties of two sputtered glasses were compared and characterized using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and UV-VIS spectra measurements. The Verdet constant of glasses was measured by a home-made optical bench. Sputtered samples (Fe3O4 target) were compared with the one obtained by melt-quenching Fe3O4 nanoparticles. The influence of sputtered Fe3O4 layer thickness on thermal and magneto-optical performance was investigated. The results prove that the magnetic property of both glasses, and especially the TeO2-PbO-B2O3 one, is enhanced after the incorporation of 1-5 mu m-thick-Fe3O4 layer deposited by sputtering. Compared with the uncoated glasses, no significant degradation in FT-IR transmittance, UV-VIS absorption and thermal stability were discovered. The TeO2-PbO-B2O3-Fe3O4 system exhibits the best thermal and magneto-optical performances for magneto optical applications, within the two glass families. (c) 2014 Elsevier B.V. All rights reserved.

引用

页码：43 / 50

页数：8

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