Journal
APPLIED PHYSICS EXPRESS
Volume 2, Issue 9, Pages -Publisher
JAPAN SOCIETY APPLIED PHYSICS
DOI: 10.1143/APEX.2.093002
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Funding
- Transformative Research Project on Iron Pnictides (TRIP)
- Japan Science and Technology Agency (JST)
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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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