2006
DOI: 10.1063/1.2210147
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Thickness dependence of microstructures in La0.8Ca0.2MnO3 thin films

Abstract: The thickness dependence of microstructures of La 0.8 Ca 0.2 MnO 3 ͑LCMO͒ / SrTiO 3 ͑STO͒ thin films was investigated by high-resolution x-ray diffraction, small angle x-ray reflection, grazing incidence x-ray diffraction, scanning electron microscopy, and atomic force microscopy. The results show that all the LCMO films are well oriented in ͑00l͒ direction perpendicular to the substrate surface. Self-organized crystalline grains with a tetragonal shape are uniformly distributed on the film surface, indicating… Show more

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Cited by 6 publications
(7 citation statements)
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“…However, detailed investigations of the film microstructure before and after switching similar to [20,21] should be done for strict explanations of observed results.…”
Section: Discussionmentioning
confidence: 99%
“…However, detailed investigations of the film microstructure before and after switching similar to [20,21] should be done for strict explanations of observed results.…”
Section: Discussionmentioning
confidence: 99%
“…However, there are only a few reports on the effect induced by magnetic field on transport properties in this kind of heterostructures [12,13]. Moreover, it is well known that film thickness is an important factor for modulating properties of single film or multilayer films, i.e., the crystalline quality of film improved with the increase of the film thickness [14], the effect of thickness on the phase separation and dead layer [15,16], and thickness dependent magnetic anisotropy of ultra-thin La 0.7 Ca 0.3 MnO 3 epitaxial thin films [17]. In addition, the magnetoresistance is also found to be strongly dependent on film thickness [18].…”
Section: Introductionmentioning
confidence: 98%
“…The variations of magnetoresistance (MR) and magnetic properties of the films based on the thickness have been attributed to strain states and disorder in the films [12,14,15]. Some other groups have studied the evolution of magnetic and transport properties of these materials as a function of microstructure e.g.…”
Section: Introductionmentioning
confidence: 99%