Influence of substrates on epitaxial growth of B-site-ordered perovskite La2NiMnO6 thin films

Y. Sakurai; I. Ohkubo; Y. Matsumoto; H. Koinuma; M. Oshima

doi:10.1063/1.3641982

Influence of substrates on epitaxial growth of B-site-ordered perovskite La₂NiMnO₆ thin films

Y. Sakurai, I. Ohkubo, Y. Matsumoto, H. Koinuma, M. Oshima

ENG - Applied Chemistry

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

Epitaxial La₂NiMnO₆ films were grown on (100)-oriented SrTiO₃ and (LaAlO₃) _0.3-(SrAl_0.5Ta_0.5O₃)_0.7 (LSAT) substrates under various growth conditions by pulsed laser deposition. Ferromagnetism and transport properties of B-site-ordered perovskite are greatly influenced by growth conditions. Optimum growth conditions of epitaxial La ₂NiMnO₆ films, which exhibit the ferromagnetism similar to bulk properties, are different for SrTiO₃ and LSAT substrates probably due to the difference in surface migration. Since the initial stage of epitaxial growth might vary with the type of substrates, the ordering of Ni and Mn ions is different. Therefore, the ferromagnetism of La₂NiMnO ₆ depends on the epitaxial growth conditions and type of substrates.

Original language	English
Article number	063913
Journal	Journal of Applied Physics
Volume	110
Issue number	6
DOIs	https://doi.org/10.1063/1.3641982
Publication status	Published - 2011 Sept 15

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title = "Influence of substrates on epitaxial growth of B-site-ordered perovskite La2NiMnO6 thin films",

abstract = "Epitaxial La2NiMnO6 films were grown on (100)-oriented SrTiO3 and (LaAlO3) 0.3-(SrAl0.5Ta0.5O3)0.7 (LSAT) substrates under various growth conditions by pulsed laser deposition. Ferromagnetism and transport properties of B-site-ordered perovskite are greatly influenced by growth conditions. Optimum growth conditions of epitaxial La 2NiMnO6 films, which exhibit the ferromagnetism similar to bulk properties, are different for SrTiO3 and LSAT substrates probably due to the difference in surface migration. Since the initial stage of epitaxial growth might vary with the type of substrates, the ordering of Ni and Mn ions is different. Therefore, the ferromagnetism of La2NiMnO 6 depends on the epitaxial growth conditions and type of substrates.",

author = "Y. Sakurai and I. Ohkubo and Y. Matsumoto and H. Koinuma and M. Oshima",

note = "Funding Information: We acknowledge the support of magnetic measurements using SQUID magnetometer by Y. Hirose and T. Hasegawa. This work was supported by a Grant-in-Aid for Scientific Research 22015006 from the Japan Society for the Promotion of Science.",

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AU - Sakurai, Y.

AU - Ohkubo, I.

AU - Matsumoto, Y.

AU - Koinuma, H.

AU - Oshima, M.

N1 - Funding Information: We acknowledge the support of magnetic measurements using SQUID magnetometer by Y. Hirose and T. Hasegawa. This work was supported by a Grant-in-Aid for Scientific Research 22015006 from the Japan Society for the Promotion of Science.

PY - 2011/9/15

Y1 - 2011/9/15

N2 - Epitaxial La2NiMnO6 films were grown on (100)-oriented SrTiO3 and (LaAlO3) 0.3-(SrAl0.5Ta0.5O3)0.7 (LSAT) substrates under various growth conditions by pulsed laser deposition. Ferromagnetism and transport properties of B-site-ordered perovskite are greatly influenced by growth conditions. Optimum growth conditions of epitaxial La 2NiMnO6 films, which exhibit the ferromagnetism similar to bulk properties, are different for SrTiO3 and LSAT substrates probably due to the difference in surface migration. Since the initial stage of epitaxial growth might vary with the type of substrates, the ordering of Ni and Mn ions is different. Therefore, the ferromagnetism of La2NiMnO 6 depends on the epitaxial growth conditions and type of substrates.

AB - Epitaxial La2NiMnO6 films were grown on (100)-oriented SrTiO3 and (LaAlO3) 0.3-(SrAl0.5Ta0.5O3)0.7 (LSAT) substrates under various growth conditions by pulsed laser deposition. Ferromagnetism and transport properties of B-site-ordered perovskite are greatly influenced by growth conditions. Optimum growth conditions of epitaxial La 2NiMnO6 films, which exhibit the ferromagnetism similar to bulk properties, are different for SrTiO3 and LSAT substrates probably due to the difference in surface migration. Since the initial stage of epitaxial growth might vary with the type of substrates, the ordering of Ni and Mn ions is different. Therefore, the ferromagnetism of La2NiMnO 6 depends on the epitaxial growth conditions and type of substrates.

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Influence of substrates on epitaxial growth of B-site-ordered perovskite La₂NiMnO₆ thin films

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