期刊
APPLIED PHYSICS EXPRESS
卷 2, 期 9, 页码 -出版社
JAPAN SOCIETY APPLIED PHYSICS
DOI: 10.1143/APEX.2.093002
关键词
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资金
- Transformative Research Project on Iron Pnictides (TRIP)
- Japan Science and Technology Agency (JST)
Epitaxial films of NdFeAsO were grown on GaAs substrates by molecular beam epitaxy (MBE). All elements including oxygen were supplied from solid sources using Knudsen cells. The X-ray diffraction pattern of the film prepared with the optimum growth condition showed no indication of impurity phases. Only (001) peaks were observed, indicating that NdFeAsO was grown with the c-axis perpendicular to the substrate. The window of optimum growth condition was very narrow, but the NdFeAsO phase was grown with a very good reproducibility. Despite the absence of any appreciable secondary phase, the resistivity showed an increase with decreasing temperature. (C) 2009 The Japan Society of Applied Physics
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