Dependence of Magnetic Properties on Laser Ablation Conditions for Epitaxial La0.6Sr0.4MnO3 Thin Films Grown by Pulsed Laser Deposition

T. Harada; I. Ohkubo; M. Oshima

doi:10.2320/matertrans.MC200817

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Dependence of Magnetic Properties on Laser Ablation Conditions for Epitaxial La_0.6Sr_0.4MnO₃ Thin Films Grown by Pulsed Laser Deposition

T. Harada, I. Ohkubo, M. Oshima

著者情報

キーワード: pulsed laser deposition, La_1−xSr_xMnO₃, epitaxy, ferromagnetism

ジャーナル認証あり早期公開

論文ID: MC200817

DOI https://doi.org/10.2320/matertrans.MC200817

この記事には本公開記事があります。

The final version of this article is now available: Vol. 50 (2009) , No. 5 p.1081

詳細

抄録

Epitaxial La_0.6Sr_0.4MnO₃ (LSMO) thin films were grown by pulsed laser deposition. Relationships between magnetic properties of LSMO epitaxial thin films and ablation conditions such as ablated spot area and total incident laser energy in a pulsed laser deposition technique were studied. Ablated spot area was controlled by changing the focus lens position and total laser energy. Epitaxial growth mode and magnetic properties of LSMO thin films were strongly dependent on the ablated spot area and total laser energy. Under the optimal laser ablation condition, epitaxial LSMO films with Curie temperature of about 340 K and atomically flat surfaces were obtained.

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