Fabrication of EuTiO3 epitaxial thin films by pulsed laser deposition

Kunitada Hatabayashi; Taro Hitosugi; Yasushi Hirose; Xianqiang Cheng; Toshihiro Shimada; Tetsuya Hasegawa

doi:10.1143/JJAP.48.100208

Fabrication of EuTiO₃ epitaxial thin films by pulsed laser deposition

Kunitada Hatabayashi, Taro Hitosugi, Yasushi Hirose, Xianqiang Cheng, Toshihiro Shimada, Tetsuya Hasegawa

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

3 Citations (Scopus)

Abstract

We have fabricated high-quality epitaxial EuTiO3(100) films on SrTiO ₃ substrates by pulsed laser deposition. In situ reflection high-energy electron diffraction (RHEED) monitoring revealed clear intensity oscillation, indicating layer-by-layer growth of EuTiO₃. Furthermore, the obtained films had atomically flat surfaces with a step-terrace structure. From magnetization vs temperature measurements, we confirmed that the EuTiO ₃ films have antiferromagnetic ordering with a Néel temperature of 3.7 K, and that they could be transformed to a ferromagnetic state by applying a magnetic field. We also found that the magnetic properties of the EuTiO₃ films are sensitive to cell volume, as predicted by recent first-principles band calculations.

Original language	English
Pages (from-to)	1002081-1002083
Number of pages	3
Journal	Japanese journal of applied physics
Volume	48
Issue number	10 Part 1
DOIs	https://doi.org/10.1143/JJAP.48.100208
Publication status	Published - 2009

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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title = "Fabrication of EuTiO3 epitaxial thin films by pulsed laser deposition",

abstract = "We have fabricated high-quality epitaxial EuTiO3(100) films on SrTiO 3 substrates by pulsed laser deposition. In situ reflection high-energy electron diffraction (RHEED) monitoring revealed clear intensity oscillation, indicating layer-by-layer growth of EuTiO3. Furthermore, the obtained films had atomically flat surfaces with a step-terrace structure. From magnetization vs temperature measurements, we confirmed that the EuTiO 3 films have antiferromagnetic ordering with a N{\'e}el temperature of 3.7 K, and that they could be transformed to a ferromagnetic state by applying a magnetic field. We also found that the magnetic properties of the EuTiO3 films are sensitive to cell volume, as predicted by recent first-principles band calculations.",

author = "Kunitada Hatabayashi and Taro Hitosugi and Yasushi Hirose and Xianqiang Cheng and Toshihiro Shimada and Tetsuya Hasegawa",

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T1 - Fabrication of EuTiO3 epitaxial thin films by pulsed laser deposition

AU - Hatabayashi, Kunitada

AU - Hitosugi, Taro

AU - Hirose, Yasushi

AU - Cheng, Xianqiang

AU - Shimada, Toshihiro

AU - Hasegawa, Tetsuya

PY - 2009

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N2 - We have fabricated high-quality epitaxial EuTiO3(100) films on SrTiO 3 substrates by pulsed laser deposition. In situ reflection high-energy electron diffraction (RHEED) monitoring revealed clear intensity oscillation, indicating layer-by-layer growth of EuTiO3. Furthermore, the obtained films had atomically flat surfaces with a step-terrace structure. From magnetization vs temperature measurements, we confirmed that the EuTiO 3 films have antiferromagnetic ordering with a Néel temperature of 3.7 K, and that they could be transformed to a ferromagnetic state by applying a magnetic field. We also found that the magnetic properties of the EuTiO3 films are sensitive to cell volume, as predicted by recent first-principles band calculations.

AB - We have fabricated high-quality epitaxial EuTiO3(100) films on SrTiO 3 substrates by pulsed laser deposition. In situ reflection high-energy electron diffraction (RHEED) monitoring revealed clear intensity oscillation, indicating layer-by-layer growth of EuTiO3. Furthermore, the obtained films had atomically flat surfaces with a step-terrace structure. From magnetization vs temperature measurements, we confirmed that the EuTiO 3 films have antiferromagnetic ordering with a Néel temperature of 3.7 K, and that they could be transformed to a ferromagnetic state by applying a magnetic field. We also found that the magnetic properties of the EuTiO3 films are sensitive to cell volume, as predicted by recent first-principles band calculations.

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