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MOCVD of Perovskites with Metallic Conductivity

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Gorbenko O., Kaul A., Molodyk A., Novozhilov M., Bosak A., Babushkina N., Belova L., Krause U., Wahl G.

Acta Physica Polonica A

1997

vol. 92

issue 1

237-242

Single source MOCVD techniques were used to prepare perovskite films with metallic conductivity (CaRuO_{3}, LaNiO_{3}, La_{0.5}Sr_{0.5}CoO_{3} and (La,Pr)_{0.7}(Sr,Ca)_{0.3}MnO_{3}). Structural and electrical properties of the epitaxial layers on the coherent substrates are close to that of the films grown by pulsed laser deposition and magnetron sputtering. Peculiarities of the growth occur on the worse matched substrates, such as a mixture of two orientations, each aligned in the plane of the interface (LaNiO_{3}/MgO) and variant structures in the films on yttrium stabilized zirconia. X-ray diffraction of the films indicates pseudocubic lattice for all R_{1-x}A_{x}MO_{3} films in spite of the distortions in the bulk material. The dependence of metal-insulator transition in R_{1-x}A_{x}MnO_{3} on the nature of R and A and film-substrate lattice mismatch was studied.

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1 Acta Physica Polonica A

1 1997

1 Babushkina N.

1 Belova L.

1 Bosak A.

1 Gorbenko O.

1 Kaul A.

1 Krause U.

1 Molodyk A.

1 Novozhilov M.

1 Wahl G.

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MOCVD of Perovskites with Metallic Conductivity