Optical and structural properties of P-doped ZnO microsphere synthesized by pulsed laser ablation

Y. Fujiwara; T. Ikebuchi; T. Ueyama; T. Tanaka; F. Nagasaki; M. Higashihata; D. Nakamura; T. Okada

doi:10.1117/12.2212157

27 February 2016 Optical and structural properties of P-doped ZnO microsphere synthesized by pulsed laser ablation

Y. Fujiwara, T. Ikebuchi, T. Ueyama, T. Tanaka, F. Nagasaki, M. Higashihata, D. Nakamura, T. Okada

Proceedings Volume 9749, Oxide-based Materials and Devices VII; 97490T (2016) https://doi.org/10.1117/12.2212157
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We succeeded in synthesizing phosphorus (P)-doped ZnO microspheres using a ZnO sintered target containing 2 wt% of P₂O₅ by pulsed laser ablation in air. Phosphorus is one of the prospective materials for p-type ZnO. Raman peak of the Pdoped ZnO microspheres indicated local vibrational mode of P-O. Additionally, room-temperature photoluminescence (RT-PL) properties of the microsphere were investigated under laser excitation using a Q-switched Nd:YAG laser (355 nm) and He-Cd laser (325 nm) in the air. P-doped ZnO microspheres showed whispering-gallery-mode (WGM) lasing in ultraviolet (UV) region by optical pumping.

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Y. Fujiwara, T. Ikebuchi, T. Ueyama, T. Tanaka, F. Nagasaki, M. Higashihata, D. Nakamura, and T. Okada "Optical and structural properties of P-doped ZnO microsphere synthesized by pulsed laser ablation", Proc. SPIE 9749, Oxide-based Materials and Devices VII, 97490T (27 February 2016); https://doi.org/10.1117/12.2212157

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