| Publication Type |
Journal Article |
| School or College |
College of Engineering |
| Department |
Materials Science & Engineering |
| Creator |
Tiwari, Ashutosh |
| Other Author |
Bhosle, V.; Narayan, J. |
| Title |
Metallic conductivity and metal-semiconductor transition in Ga-doped ZnO |
| Date |
2006 |
| Description |
This letter reports the metallic conductivity in Ga:ZnO system at room temperature and a metal-semiconductor transition (MST) behavior at low temperatures. Zn0.95Ga0.05O films, deposited by pulsed laser deposition in the pressure range of ~10−2 Torr of oxygen, were found to be crystalline and exhibited degeneracy at room temperature with the electrical resistivity close to 1.4x 10−4 Ω cm and transmittance > 80% in the visible region. Temperature dependent resistivity measurements of these highly conducting and transparent films also showed, for the first time, a MST at ~170 K. Mechanisms responsible for these observations are discussed in the terms of dopant addition and its effect on ionization efficiency of oxygen vacancies. |
| Type |
Text |
| Publisher |
American Institute of Physics (AIP) |
| Journal Title |
Applied Physics Letters |
| Volume |
88 |
| Issue |
3 |
| First Page |
32106 |
| DOI |
10.1063/1.2165281 |
| citatation_issn |
36951 |
| Subject |
Transparent conducting oxides; ZnO; Gallium; Metallic conductivity |
| Subject LCSH |
Metal oxide semiconductors; Zinc oxide; Thin films; Semiconductor doping; Electric conductivity |
| Language |
eng |
| Bibliographic Citation |
Bhosle, V., Tiwari, A., & Narayan, J. (2006). Metallic conductivity and metal-semiconductor transition in Ga-doped ZnO. Applied Physics Letters, 88(3), 032106. |
| Rights Management |
(c)American Institute of Physics. The following article appeared in Bhosle, V., Tiwari, A., & Narayan, J., Applied Physics Letters, 88(3), 2006 and may be found at http://dx.doi.org/10.1063/1.2165281 |
| Format Medium |
application/pdf |
| Format Extent |
206,417 bytes |
| Identifier |
ir-main,12059 |
| ARK |
ark:/87278/s62f8621 |
| Setname |
ir_uspace |
| ID |
706733 |
| Reference URL |
https://collections.lib.utah.edu/ark:/87278/s62f8621 |
