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Proceedings Paper

Optical properties of P ion implanted ZnO
Author(s): Bao-Jen Pong; Bo-Wei Chou; Ching-Jen Pan; Fu-Chun Tsao; Gou-Chung Chi
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Paper Abstract

Red and green emissions are observed from P ion implanted ZnO. Red emission at ~680 nm (1.82 eV) is associated with the donor-acceptor pair (DAP) transition, where the corresponding donor and acceptor are interstitial zinc (Zni) and interstitial oxygen (Oi), respectively. Green emission at ~ 516 nm (2.40 eV) is associated with the transition between the conduction band and antisite oxygen (OZn). Green emission at ~516nm (2.403 eV) was observed for ZnO annealed at 800 oC under ambient oxygen, whereas, it was not visible when it was annealed in ambient nitrogen. Hence, the green emission is most likely not related to oxygen vacancies on ZnO sample, which might be related to the cleanliness of ZnO surface, a detailed study is in progress. The observed micro-strain is larger for N ion implanted ZnO than that for P ion implanted ZnO. It is attributed to the larger straggle of N ion implanted ZnO than that of P ion implanted ZnO. Similar phenomenon is also observed in Be and Mg ion implanted GaN.

Paper Details

Date Published: 15 February 2006
PDF: 8 pages
Proc. SPIE 6122, Zinc Oxide Materials and Devices, 612203 (15 February 2006); doi: 10.1117/12.644045
Show Author Affiliations
Bao-Jen Pong, National Central Univ. (Taiwan)
Bo-Wei Chou, National Central Univ. (Taiwan)
Ching-Jen Pan, National Central Univ. (Taiwan)
Fu-Chun Tsao, National Central Univ. (Taiwan)
Gou-Chung Chi, National Central Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6122:
Zinc Oxide Materials and Devices
Ferechteh Hosseini Teherani; Cole W. Litton, Editor(s)

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