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High mobility single-crystalline-like germanium thin films on flexible, inexpensive substrates
- Source :
-
Thin Solid Films . Jan2013, Vol. 527, p9-15. 7p. - Publication Year :
- 2013
-
Abstract
- Abstract: Single-crystalline-like epitaxial germanium thin films with hall mobility values as high as 833cm2/Vs have been demonstrated on inexpensive polycrystalline metallic substrates. The dependence of mobility of p-type and n-type germanium films on the deposition temperature has been examined and correlated to microstructural changes. The importance of crystallographic orientation of Ge to achieve these high mobility values has been verified. The mobilities of the epitaxial germanium films on the film thickness for p-type and n-type films with multi-layer architecture with different epitaxial intermediate layers have been investigated. Results show that the increased mobility with increasing germanium film thickness is not just due to crystallographic texture improvement, but could also be a result of decreasing defect density. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00406090
- Volume :
- 527
- Database :
- Academic Search Index
- Journal :
- Thin Solid Films
- Publication Type :
- Academic Journal
- Accession number :
- 85020107
- Full Text :
- https://doi.org/10.1016/j.tsf.2012.12.041