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Proceedings Paper

Photocurrent spectrum of p-i-n Zn1-xCdxSe/ZnSe multiple quantum well heterostructures
Author(s): Jiu Yao Tang; Yoichi Kawakami; Shizuo Fujita; Shigeo Fujita
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Paper Abstract

Photocurrent spectrum (PC) is reported both at room temperature and at 77 K on p-i-n Zn1-xCdxSe/ZnSe multiple quantum well heterostructures (x approximately equals 0.12) grown by molecular beam epitaxy. Almost all the exciton transitions, allowed and forbidden, associated with the two lowest electron and three highest hole subbands are clearly observed. With the increase of well width from 22 angstrom to 54 angstrom, an evolution of excitonic structure in PC spectra is demonstrated. Theoretical calculations show a quite good agreement with the measurement results, and from the comparison between theory and experiment, an exiton binding energy for heavy hole of 28 meV, and for light hole of 20 meV are obtained for this type of quantum wells.

Paper Details

Date Published: 3 October 1996
PDF: 9 pages
Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); doi: 10.1117/12.252944
Show Author Affiliations
Jiu Yao Tang, Kyoto Univ. (Japan)
Yoichi Kawakami, Kyoto Univ. (Japan)
Shizuo Fujita, Kyoto Univ. (Japan)
Shigeo Fujita, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 2897:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications
Manfred Eich; Bruce H. T. Chai; Minhua Jiang, Editor(s)

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