TITLE

Strain-induced magnetic stripe domains in La[sub 0.7]Sr[sub 0.3]MnO[sub 3] thin films

AUTHOR(S)
Dho, Joonghoe; Kim, Y. N.; Hwang, Y. S.; Kim, J. C.; Hur, N. H.
PUB. DATE
March 2003
SOURCE
Applied Physics Letters;3/3/2003, Vol. 82 Issue 9, p1434
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have investigated magnetic microstructures of magnetoresistive La[sub 0.7]Sr[sub 0.3]MnO[sub 3] (LSMO) thin films. Magnetic images are strongly dependent on structural strain induced by the substrates. The LSMO film on SrTiO[sub 3] dominated by tensile stress effect displays a feather-like pattern, whereas LSMO films on LaAlO[sub 3] and NdGaO[sub 3] substrates under compressive stress show stripe domains. In particular, the magnetic image of the film on NdGaO[sub 3] reveals distinctive straight stripe domain patterns on the order of about 120 nm, suggesting the presence of a sizable out-of-plane magnetization. The ordering of the stripe domains is also sensitive to the field direction.
ACCESSION #
9176104

 

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