Dual-donor codoping approach to realize low-resistance n-type ZnS semiconductor
Journal Article
·
· Applied Physics Letters, 99(5):Art. No. 052109
Based on first-principles calculations, we explored a good candidate for achieving low-resistance and high carrier concentration of n-type ZnS by a dual-donor codoping method, where the ionization energy was effectively reduced. We found that the SnZn-FS pair has a shallow donor level of 17.2 meV, a small formation energy of 1.27 eV and a high binding energy of 1.28 eV. The density of states analysis showed that the SnZn-FS pair induces the downward shift of the conduction band minimum by about 0.15 eV, while the basis electronic structure does not change. Thus, the SnZn-FS pair is likely to be a best n-type dopant for ZnS.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1025661
- Report Number(s):
- PNNL-SA-81436; APPLAB; KC0201020; TRN: US201120%%672
- Journal Information:
- Applied Physics Letters, 99(5):Art. No. 052109, Vol. 99, Issue 5; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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