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タイトル: High-quality antiferromagnetic EuTiO3 epitaxial thin films on SrTiO3 prepared by pulsed laser deposition and postannealing
著者: Fujita, Koji  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-1700-0889 (unconfirmed)
Wakasugi, Naoki
Murai, Shunsuke  KAKEN_id  orcid https://orcid.org/0000-0002-4597-973X (unconfirmed)
Zong, Yanhua
Tanaka, Katsuhisa  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-1409-2802 (unconfirmed)
キーワード: annealing
antiferromagnetic materials
europium compounds
lattice constants
magnetic epitaxial layers
magnetic structure
pulsed laser deposition
発行日: Feb-2009
出版者: American Institute of Physics
誌名: APPLIED PHYSICS LETTERS
巻: 94
号: 6
論文番号: 062512
抄録: We report on epitaxial growth and magnetic properties of EuTiO3 thin films with a perovskite structure. Single crystalline EuTiO3 films with atomically flat surface are grown on (001) surface of SrTiO3 by pulsed laser deposition (PLD) and subsequent annealing in reducing atmosphere. The as-deposited films possess the crystal structure with an elongated c-axis and tend to stabilize ferromagnetically ordered Eu2+ spins at low temperatures. Postannealing at 1000 °C relaxes the out-of-plane lattice strain, and brings about a drastic change in magnetic structure; the annealed film becomes an antiferromagnet below Néel temperature of 5.1 K. The change in magnetic properties accompanied by the modification in lattice constant is discussed.
著作権等: Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in APPLIED PHYSICS LETTERS 94, 062512 (2009) and may be found at http://link.aip.org/link/APPLAB/v94/i6/p062512/s1
URI: http://hdl.handle.net/2433/109898
DOI(出版社版): 10.1063/1.3072598
関連リンク: http://link.aip.org/link/APPLAB/v94/i6/p062512/s1
出現コレクション:学術雑誌掲載論文等

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