Polymetallic citric complexes as precursors for spray-pyrolysis deposition of thin LaFeO3 films

被引：7

作者：

Milanova, M. ^{[1
]}

Zaharieva, J. ^{[1
]}

Todorovska, R. ^{[1
]}

Todorovsky, D. ^{[1
]}

机构：

[1] Univ Sofia, Fac Chem & Pharm, Sofia 1164, Bulgaria

来源：

THIN SOLID FILMS | 2014年 / 562卷

关键词：

Thin films; Lanthanum ferrite; Spray pyrolysis; X-ray diffraction; Scanning electron microscopy; Atomic force microscopy; CATALYTIC-ACTIVITY; POWDERS; TEMPERATURE; COMBUSTION; PURE; GD; FE; LA; CO; SM;

D O I：

10.1016/j.tsf.2014.03.036

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A method for the deposition of thin films of the perovskite LaFeO3 on glass is proposed. The films are prepared by spray pyrolysis using an ethylene glycol solution of mixed metal citrate complexes and O-2 or N-2 as carrier gas at substrate temperatures between 350 degrees C and 400 degrees C and post-deposition annealing at 350-480 degrees C in air. The phase composition, crystal structure, morphology and adhesion of the prepared films (40-600 nm thick) are studied by X-ray diffraction, energy dispersive X-ray microanalysis, scanning electron microscopy, and atomic force microscopy. The influence of the conditions of deposition and post-deposition annealing is studied and optimal parameters of the procedure are described. Single phase dense uniform films with crystallites of approx. 30 nm are obtained. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：43 / 48

页数：6

共 47 条

[1] Crystallographic characterization and NO2 gas sensing property of LnFeO3 prepared by thermal decomposition of Ln-Fe hexacyanocomplexes, Ln[Fe(CN)6]•nH2O, Ln = La, Nd, Sm, Gd, and Dy [J].