PbSnCaTe films and PbSnCaTe/PbSnTe superlattices prepared by molecular beam epitaxy

被引：3

作者：

Ishida, A

Ohashi, T

Wang, SL

Tsuchiya, T

Ishino, K

Inoue, Y

Fujiyasu, H

机构：

[1] Shizuoka Univ, Fac Engn, Hamamatsu, Shizuoka 4328561, Japan

[2] Shizuoka Univ, Grad Sch Elect Sci & Technol, Hamamatsu, Shizuoka 4328561, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2002年 / 41卷 / 6A期

关键词：

PbSnCaTe; IV-VI compound; molecular beam epitaxy; infrared laser; superlattice;

D O I：

10.1143/JJAP.41.3655

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Pb(1-x)(1-y)Snx(1-y)CayTe (x = 0.2) films and Pb(1-x)(1-y)Snx(1-y)CayTe/Pb1-xSnxTe superlattices were prepared by molecular beam epitaxy, and the properties of the films and superlattices were characterized by X-ray diffraction, optical transmission, and hole measurements. Pb(1-x)(1-y)Snx(1-y)CayTe films well lattice-matched to the Pb1-xSnxTe film were obtained by growing the films from PbSnTe, Ca, and Te source materials. Optical transmission spectra of the Pb(1-x)(1-y)Snx(1-y)CayTe/Pb1-xSnxTe superlattices showed clear steps in the interband absorption spectra, indicating a type-I heterostructure where both electrons and holes are confined in the Pb1-xSnxTe quantum wells.

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收藏

页码：3655 / 3657

页数：3

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