Magnetic field effect of charged excitons in n-doped ZnSe/BeTe type-Ⅱ quantum wells | Zendy

Ziwu Ji | Zendy; Hirofumi Mino | Zendy; Oto Kenichi | Zendy; Kiyofumi Muro | Zendy; Akimoto Ryoichi | Zendy; S. Takeyama | Zendy

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Magnetic field effect of charged excitons in n-doped ZnSe/BeTe type-Ⅱ quantum wells

Author(s) -

Ziwu Ji,

Hirofumi Mino,

Oto Kenichi,

Kiyofumi Muro,

Akimoto Ryoichi,

S. Takeyama

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.6609

Subject(s) - exciton , photoluminescence , magnetic field , spectral line , condensed matter physics , quantum well , doping , physics , reflection (computer programming) , materials science , atomic physics , optics , laser , quantum mechanics , astronomy , computer science , programming language

We report results of the reflection (type-I, in ZnSe layer) and photoluminescence (PL) spectra (type-Ⅱ) measurements performed on n-doped ZnSe/BeTe/ZnSe type-Ⅱ quantum well structures at low temperature (5—10 K). The reflection spectra show a typical charged exciton (X-) feature. The PL spectra show an asymmetry of the peak, which is a characteristic feature for a charged exciton type transition. The dependence of the PL peak energy on the in-plane magnetic field is considered to be due to the magnetic-field-induced displacement of interlayer negatively charged exciton dispersion in momentum space.

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