Time-resolved ultraviolet photoluminescence of ZnO/ZnGa2O 4 composite layer

Qing Yang*, Xiaohong Zhou, Takao Nukui, Yu Saeki, Sotaro Izumi, Atsushi Tackeuchi, Hirokazu Tatsuoka, Shuhua Liang

*この研究の対応する著者

研究成果: Article査読

7 被引用数 (Scopus)

抄録

The ultraviolet photoluminescence of ZnO/ZnGa2O4 composite layer grown by the thermal oxidation of ZnS with gallium was investigated by the time-resolved photoluminescence as a function of measuring temperature and excitation power. With increase of excitation power, the D 0X emission is easily saturated than the DAP emission from ZnO/ZnGa2O4 composite layer, and which is dramatically enhanced as compared with that from pure ZnO layer grown without gallium. The radiative recombination process with ultra-long lifetime controlled the carrier recombination of ZnO/ZnGa2O4 composite layer.

本文言語English
論文番号027101
ジャーナルAIP Advances
4
2
DOI
出版ステータスPublished - 2014 2

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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