Referenced Items are not available for this document.
We studied the effect of iodine doping of CdTe films on Si substrates grown by MOVPE at different growth conditions. A high resistivity film was obtained by adjusting the growth temperature, Te/Cd precursor flow ratio and the dopant flow-rate. Our results show the film resistivity does not change linearly with the dopant flow-rate. The resistivity remains low and similar to that of undoped value for low dopant flow-rate, but increases abruptly when the dopant flow-rate is increased beyond certain value. Photoluminescence measurements of the films confirmed the dopant incorporation in the crystal. We explained the result of resistivity change due to the compensation of excess shallow acceptors by deep intrinsic donors.
Published in:
Nuclear Science, IEEE Transactions on
(Volume:56
,
Issue:
4
)
Date of Publication: Aug. 2009
- Page(s):
- 1731 - 1735
- ISSN :
- 0018-9499
- INSPEC Accession Number:
- 10829069
- Digital Object Identifier :
- 10.1109/TNS.2009.2017262
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 18 August 2009
- Issue Date :
- Aug. 2009
- Sponsored by :
- IEEE Nuclear and Plasma Sciences Society
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