Growth and characteristics of a-plane GaN/ZnO/GaN heterostructure

Chiao Yun Chang, Huei Min Huang, Yu-Pin Lan, Tien-Chang Lu*, Hao-Chung Kuo, Shing Chung Wang, Li Wei Tu, Wen Feng Hsieh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The crystal structure of a-plane GaN/ZnO heterostructures on r-plane sapphire was investigated by using the XRD and TEM measurment. It was found the formation of (220) ZnGa2O4 and crystal orientation of semipolar (1013) GaN at GaN/ZnO interface. The epitaxial relation of normal surface direction are the sapphire (1102) // a-GaN (1120) and ZnGa 2O4 (220) // semi-polar GaN (1013). Beside, the emission peak energy of ZnO appears shift about 60 meV in the GaN/ZnO/GaN heterostructures due to the re-crystallization of ZnO layer with Ga or N atom and the formation of the localized state.

Original languageEnglish
Title of host publicationCompound Semiconductors
Subtitle of host publicationThin-Film Photovoltaics, LEDs, and Smart Energy Controls
Pages303-307
Number of pages5
DOIs
StatePublished - 2013
Event2013 MRS Spring Meeting - San Francisco, CA, United States
Duration: 1 Apr 20135 Apr 2013

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1538
ISSN (Print)0272-9172

Conference

Conference2013 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period1/04/135/04/13

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