Observation and first-principles calculation of buried wurtzite phases in zinc-blende CdTe thin films
- National Renewable Energy Laboratory, Golden, Colorado 80401 (United States)
We report direct observation of the existence of buried thin wurtzite CdTe layers in nominally pure zinc-blende CdTe thin films using high-resolution transmission electron microscopy. The formation of the buried wurtzite layers is a result of the formation of high density of planar defects in the zinc-blende films--the wurtzite layers are formed by closely spaced lamellar twins. First-principles calculations reveal that the presence of the buried wurtzite layers may be responsible for the poor electrical properties of the polycrystalline zinc-blende CdTe films. (c) 2000 American Institute of Physics.
- OSTI ID:
- 20217575
- Journal Information:
- Applied Physics Letters, Vol. 77, Issue 10; Other Information: PBD: 4 Sep 2000; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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