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

研究成果: Article › 査読

16 被引用数 (Scopus)

抄録

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.

本文言語	English
論文番号	063913
ジャーナル	Journal of Applied Physics
巻	110
号	6
DOI	https://doi.org/10.1063/1.3641982
出版ステータス	Published - 2011 9月 15
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1063/1.3641982

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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.

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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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