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Conferences > UP > 2020 > Tu4A > Tu4A.40

On the absence of phonon bottleneck in lead selenide quantum dot

Luye Yue, Lele Yang, Jingjun Li, Dong Liu, Yingpeng Qi, Xuan Wang, and Jianming Cao

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Abstract

We observed the ultrafast lattice dynamic in lead selenide (PbSe) quantum dots using ul-trafast electron diffraction. The electron-phonon coupling time constant is about 10 ps, showing no sign of phonon bottleneck.

© 2020 The Author(s)

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