The Effect of Tensile Strain on Optical Anisotropy and Exciton of $m$ -Plane ZnO

Author

Wang, H.H. ; Tian, J.S. ; Chen, C.Y. ; Huang, H.H. ; Yeh, Y.C. ; Deng, P.Y. ; Chang, L. ; Chu, Y.H. ; Wu, Y.R. ; He, J.H.

Author_Institution

Comput., Electr. & Math. Sci. & Eng. Div., King Abdullah Univ. of Sci. & Technol., Thuwal, Saudi Arabia

Volume

7

Issue

2

fYear

2015

fDate

Apr-15

Firstpage

1

Lastpage

8

Abstract

The near band edge emission of the tensile-strained m-plane ZnO film grown on (112)LaAlO₃ substrates shows abnormal low polarization degree (ρ = 0.1). The temperature dependency of polarization degree clarifies the origins of different emission peaks. In tensile-strained m-plane ZnO, the [0001] polarized state is upper shifted and is overlapping with the [112̅0] polarized state. This phenomenon causes the abnormal low polarization degree and reveals the effect of strain on the emission anisotropy of m-plane ZnO.

Keywords

II-VI semiconductors; light polarisation; optical films; optical materials; piezo-optical effects; thermo-optical effects; wide band gap semiconductors; zinc compounds; LaAlO₃; ZnO-LaAlO₃; exciton; m-plane ZnO film; near band edge emission; optical anisotropy; polarization degree; temperature dependency; tensile strain; Anisotropic magnetoresistance; Geometrical optics; Optical films; Optical polarization; Strain; Zinc oxide; II-VI semiconductor materials; Optical films; optical polarization; photoluminescence; strain;

fLanguage

English

Journal_Title

Photonics Journal, IEEE

Publisher

ieee

ISSN

1943-0655

Type

jour

DOI

10.1109/JPHOT.2015.2415672

Filename

7064700

The Effect of Tensile Strain on Optical Anisotropy and Exciton of -Plane ZnO

Wang, H.H. ; Tian, J.S. ; Chen, C.Y. ; Huang, H.H. ; Yeh, Y.C. ; Deng, P.Y. ; Chang, L. ; Chu, Y.H. ; Wu, Y.R. ; He, J.H.

jour

The Effect of Tensile Strain on Optical Anisotropy and Exciton of $m$ -Plane ZnO