Single domain non-polar (123¯0)ZnO epitaxy on (118)LaAlO3 by pulsed laser deposition

Tzu Chun Yen*, Yen Teng Ho, Chun Yen Peng, Jr Sheng Tian, Yi Sen Shih, Lin Lung Wei, Wang Wei-Lin Wang, Kun An Chiu, Li Chang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

An unconventional non-polar (123¯0)ZnO epitaxial film is grown on (118)LaAlO3(LAO) substrate by pulsed laser deposition. X-ray diffraction pole figures and transmission electron microscopy show that the crystal orientation relationships between non-polar (123̄0)ZnO and (118)LAO substrate are (0001)ZnO // (1̄10)LAO and (112̄0)ZnO // (001)LAO. The Raman spectrum with a significant E2 peaked at 439 cm− 1 clearly indicates the formation of non-polar ZnO film. Photoluminescence measurement of the non-polar ZnO film shows a strong near-band-edge emission located at 3.3 eV with negligible green-yellow emission.

Original languageEnglish
Pages (from-to)114-117
Number of pages4
JournalThin Solid Films
Volume618
DOIs
StatePublished - 1 Nov 2016

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