Low temperature preparation of orthoferrite thin-films by an inorganic sol-gel process

被引：23

作者：

Rajendran, M ^{[1
]}

Krishna, MG ^{[1
]}

Bhattacharya, AK ^{[1
]}

机构：

[1] Univ Warwick, Sch Engn, Warwick Proc Technol Grp, Coventry CV4 7AL, W Midlands, England

来源：

THIN SOLID FILMS | 2001年 / 385卷 / 1-2期

关键词：

orthoferrite; dip-coating; sol-gel;

D O I：

10.1016/S0040-6090(00)01898-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Aqueous precursor sets of orthoferrites were prepared by room temperature processing of inexpensive commercially available metal salts. Crystalline thin-films of orthoferrites of general formula, LnFeO(3)(Ln = La, Nd, Sm, Gd, Dy, Er, Yb and Y) were prepared by dip-coating with the precursor sol and heating at 650 degreesC. All the films showed >80% transmittance independent of the rare earth ion. The optical band-gap was 3.1 eV and the refractive index was 1.61 +/- 0.02 independent of the rare earth ion. The films exhibited uniformity in thickness. mechanical and thermal integrity upon heating. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：230 / 233

页数：4

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