Exciton tunnelling in (CdZnTe,ZnSeTe)/ZnTe complex quantum wells | Zendy

Hua Jin | Zendy; Liu Shu | Zendy; Zhenzhong Zhang | Zendy; Ligong Zhang | Zendy; Zhuhong Zheng | Zendy; Dezhen Shen | Zendy

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Exciton tunnelling in (CdZnTe,ZnSeTe)/ZnTe complex quantum wells

Author(s) -

Hua Jin,

Liu Shu,

Zhenzhong Zhang,

Ligong Zhang,

Zhuhong Zheng,

Dezhen Shen

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.57.6627

Subject(s) - quantum tunnelling , exciton , quantum well , photoluminescence , spectral line , materials science , absorption (acoustics) , condensed matter physics , physics , molecular physics , optoelectronics , optics , quantum mechanics , laser , composite material

A new type of (CdZnTe,ZnSeTe)/ZnTe complex quantum wells was designed. Exciton tunneling process was investigated in this complex structure using absorption spectra, photoluminescence (PL) spectra and pump-probe measurements. The exciton decay time was measured in CdZnTe/ZnTe quantum well layers and ZnSeTe/ZnTe quantum well layers, respectively. And a fast exciton tunneling from CdZnTe/ZnTe quantum well to ZnSeTe/ZnTe quantum well was observed by transient differential trans mission. The tunneling time is 5.5ps.

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