Ferroic metal-oxide films grown by polymer assisted deposition

被引：13

作者：

Jain, M. ^{[1
]}

Lin, Y. ^{[1
]}

Shukla, P. ^{[1
]}

Li, Y. ^{[1
]}

Wang, H. ^{[1
]}

Hundley, M. F. ^{[1
]}

Burrell, A. K. ^{[1
]}

McCleskey, T. M. ^{[1
]}

Foltyn, S. R. ^{[1
]}

Jia, Q. X. ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Superconduct Technol Ctr, Los Alamos, NM 87545 USA

来源：

THIN SOLID FILMS | 2007年 / 515卷 / 16期

基金：

美国能源部;

关键词：

polymer assisted deposition; BST; colossal magnetoresistance; ferroelectric; tunability;

D O I：

10.1016/j.tsf.2006.11.144

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

yPolymer assisted deposition is a versatile technique to grow simple and complex metal-oxide thin films. In this paper we report the structural and electrical properties of ferroic materials, namely La0.67M0.33MnO3 (M = Sr and Ca) and Ba1-xSrxTiO3 (x= 0.3, 0.5, and 0.7) prepared using this process. The films were prepared on single crystalline LaAlO3 substrates. The films were highly c-axis oriented and epitaxial in nature. The ferromagnetic La0.67Sr0.33MnO3 and La0.67Ca0.33MnO3 films show intrinsic transport properties with maximum magnetoresistance values (at applied field of 5 T) of -50% and -88%, respectively. The highest dielectric constant (similar to 1010) and tunability (similar to 69%) of Ba1-xSrxTiO3 film occurs at x=0.3 for films, which is at the phase boundary of tetragonal and cubic. Published by Elsevier B.V.

引用

页码：6411 / 6415

页数：5

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