Microdomains in thin films of rhombohedral La0.7Sr0.3MnO3.

Authors :: M. Zhang
X. L. Ma
D. X. Li
H. B. Lü
Z. H. Chen
G. Z. Yang
Source :: Physica Status Solidi (A); Apr2003, Vol. 196 Issue 2, p365-371, 7p
Publication Year :: 2003
Abstract: Thin films of La<subscript>0.7</subscript>Sr<subscript>0.3</subscript>MnO<subscript>3</subscript> with thickness of 300 nm have been grown by computer-controlled laser molecular beam epitaxy on SrTiO<subscript>3</subscript> (001) substrate and were characterized by transmission electron microscopy. It is seen that the films are epitaxially grown on SrTiO<subscript>3</subscript> substrate. Microstructures in the films are clarified by oriented domains of the rhombohedral variant derived from the perovskite structure. Relationships between each domain and the SrTiO<subscript>3</subscript> substrate are discussed. [ABSTRACT FROM AUTHOR]