| Original Articles |
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Laser Molecular Beam Epitaxy Growth of BaTiO3 in Seven Thousands of Unit-Cell Layers |
| HUANG Yan-Hong;HE Meng;ZHAO Kun;TIAN Huan-Fang;Lü Hui-Bin;JIN Kui-Juan;CHEN Zheng-Hao;ZHOU Yue-Liang;LI Jian-Qi;YANG Guo-Zhen |
| Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 |
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| Cite this article: |
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HUANG Yan-Hong, HE Meng, ZHAO Kun et al 2005 Chin. Phys. Lett. 22 2950-2951 |
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Abstract BaTiO3 thin films in seven thousands of unit-cell layers hav been successfully fabricated on SrTiO3 (001) substrates by laser molecular beam epitaxy. The fine streak pattern and the undamping intensity oscillation of reflection high-energy electron diffraction indicate that the BaTiO3 film was layer-by-layer epitaxial growth. The measurements of scanning electron microscopy and atomic force microscopy show that surfaces of the BaTiO3 thin film are atomically smooth. The measurements of x-ray diffraction and transmission electron microscopy, as well as selected-area electron diffraction reveal that the BaTiO3 thin film is a c-oriented epitaxial crystalline structure.
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| Keywords:
77.84.-s
68.55.Jk
81.15.Fg
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Published: 01 November 2005
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| PACS: |
77.84.-s
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(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
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68.55.Jk
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81.15.Fg
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(Pulsed laser ablation deposition)
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