Quantum dots as sensitive probes of their solid-state environment

被引：0

作者：

Ducommun, Y ^{[1
]}

Hartmann, A ^{[1
]}

Kapon, E ^{[1
]}

Hohenester, U ^{[1
]}

Molinari, E ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Swiss Fed Inst Technol, Dept Phys, CH-1015 Lausanne, Switzerland

来源：

PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II | 2001年 / 87卷

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We study the optical properties of a single n-type modulation-doped quantum dot. Under illumination, the impurity background leads to a distinct evolution of the dot energy spectrum. By comparing spectra of single dots under different excitation conditions, we evidence the role of p-type minority doping in our samples, and are able to determine the number and type of the impurities in the dot surroundings. Our results confirm that quantum dots are powerful local probes of their solid-state environment.

引用

页码：1129 / 1130

页数：2

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