Magnetoresistance in polymer-assisted deposited Sr- and Ca-doped lanthanum manganite films

被引：31
|
作者：
Jain, M. [1 ]
Li, Y.
Hundley, M. F.
Hawley, M.
Maiorov, B.
Campbell, I. H.
Civale, L.
Jia, Q. X.
机构：
[1] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87545 USA
[2] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 23期
关键词：
D O I：
10.1063/1.2207497
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have grown epitaxial films of La0.67Sr0.33MnO3 (LSMO) and La0.67Ca0.33MnO3 (LCMO) on single crystalline LaAlO3 substrates by a cost effective polymer-assisted deposition technique. Film crystallinity, microstructure, resistivity, magnetization, and magnetoresistance (MR) were highly dependent on the annealing temperature in the film processing. High negative MR values of -50% (at 305 K) and -88% (at 250 K) were observed at magnetic field of 5 T, for high temperature annealed LSMO and LCMO films, respectively. These results are comparable to those for films grown by pulsed laser deposition and rf sputtering techniques. (c) 2006 American Institute of Physics.
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页数：3
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