Realization of both p- and n-type conduction for ZnSe-ZnTe strained-layer superlattices

Masakazu Kobayashi, Shiro Dosho, Akira Imai, Ryuhei Kimura, Makoto Konagai, Kiyoshi Takahashi

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The conduction types of ZnSe-ZnTe strained-layer superlattices (SLS's) have been controlled by using the modulation doping technique. Two kinds of modulation-doped SLS's were prepared. One of them consisted of gallium (Ga) doped ZnSe layers and undoped ZnTe layers. The other consisted of undoped ZnSe layers and antimony (Sb) doped ZnTe layers. The conduction types of the samples modulation doped with Ga and Sb were shown to be n and p type, respectively whereas the undoped samples exhibited n-type conduction. The electrical properties of the undoped and modulation-doped samples were evaluated by the van der Pauw method. The carrier concentrations of all types of samples were about 5×1013/cm3 at room temperature. The temperature dependence of the electrical properties was measured for an undoped sample and a sample modulation doped with Sb. The carrier concentrations increased with temperature and reached about 1×101 7/cm3 at 500 K.

Original languageEnglish
Pages (from-to)1602-1604
Number of pages3
JournalApplied Physics Letters
Volume51
Issue number20
DOIs
Publication statusPublished - 1987
Externally publishedYes

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superlattices
conduction
modulation
gallium
electrical properties
modulation doping
antimony
temperature dependence
room temperature
temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Realization of both p- and n-type conduction for ZnSe-ZnTe strained-layer superlattices. / Kobayashi, Masakazu; Dosho, Shiro; Imai, Akira; Kimura, Ryuhei; Konagai, Makoto; Takahashi, Kiyoshi.

In: Applied Physics Letters, Vol. 51, No. 20, 1987, p. 1602-1604.

Research output: Contribution to journalArticle

Kobayashi, M, Dosho, S, Imai, A, Kimura, R, Konagai, M & Takahashi, K 1987, 'Realization of both p- and n-type conduction for ZnSe-ZnTe strained-layer superlattices', Applied Physics Letters, vol. 51, no. 20, pp. 1602-1604. https://doi.org/10.1063/1.98568
Kobayashi, Masakazu ; Dosho, Shiro ; Imai, Akira ; Kimura, Ryuhei ; Konagai, Makoto ; Takahashi, Kiyoshi. / Realization of both p- and n-type conduction for ZnSe-ZnTe strained-layer superlattices. In: Applied Physics Letters. 1987 ; Vol. 51, No. 20. pp. 1602-1604.
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