期刊
PHYSICAL REVIEW B
卷 71, 期 6, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.71.060403
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The essential role of strain in determining the electronic states of perovskite manganites is clearly demonstrated in the form of anisotropic and substrate-dependent crossover of a first-order phase transition in charge-orbital ordered epitaxial thin films of (Nd1-xPrx)(0.5)Sr0.5MnO3. An application of (110)-oriented epitaxial growth technique allows the structural flexibility indispensable for the large anisotropic lattice deformation at the first-order transition. The technique enables us to fine-tune the Jahn-Teller distortion for manipulating the metal-insulator transition in thin films, a first step toward the strongly correlated electron devices.
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