期刊
NANOTECHNOLOGY
卷 19, 期 40, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/19/40/405706
关键词
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资金
- NASA Goddard Space Flight Center [14]
- National Science Foundation IREE program [DMI-0637134]
In this paper, the internal structure of novel multiphase gallium nitride nanowires in which multiple zinc-blende and wurtzite crystalline domains grow simultaneously along the entire length of the nanowire is investigated. Orientation relationships within the multiphase nanowires are identified using high-resolution transmission electron microscopy of nanowire cross-sections fabricated with a focused ion beam system. A coherent interface between the zinc-blende and wurtzite phases is identified. A mechanism for catalyst-free vapor-solid multiphase nanowire nucleation and growth is proposed.
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