| KLENOVSKÝ, Petr, Petr STEINDL, Johannes ABERL, Eugenio ZALLO, Rinaldo TROTTA, Armando RASTELLI and Thomas FROMHERZ. Effect of second-order piezoelectricity on the excitonic structure of stress-tuned In(Ga)As/GaAs quantum dots. Physical Review B. College PK: AMER PHYSICAL SOC, 2018, vol. 97, No 24, p. 245314-245319. ISSN 2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.97.245314. |
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@article{1422594,
author = {Klenovský, Petr and Steindl, Petr and Aberl, Johannes and Zallo, Eugenio and Trotta, Rinaldo and Rastelli, Armando and Fromherz, Thomas},
article_location = {College PK},
article_number = {24},
doi = {http://dx.doi.org/10.1103/PhysRevB.97.245314},
keywords = {piezoelectricity; quantum dot; excitonic fine-structure; dipole},
language = {eng},
issn = {2469-9950},
journal = {Physical Review B},
title = {Effect of second-order piezoelectricity on the excitonic structure of stress-tuned In(Ga)As/GaAs quantum dots},
url = {https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.245314},
volume = {97},
year = {2018}
}
TY - JOUR
ID - 1422594
AU - Klenovský, Petr - Steindl, Petr - Aberl, Johannes - Zallo, Eugenio - Trotta, Rinaldo - Rastelli, Armando - Fromherz, Thomas
PY - 2018
TI - Effect of second-order piezoelectricity on the excitonic structure of stress-tuned In(Ga)As/GaAs quantum dots
JF - Physical Review B
VL - 97
IS - 24
SP - 245314
EP - 245314
PB - AMER PHYSICAL SOC
SN - 24699950
KW - piezoelectricity
KW - quantum dot
KW - excitonic fine-structure
KW - dipole
UR - https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.245314
N2 - We study the effects of the nonlinear piezoelectricity and the In distribution on the exciton energy, the electronhole electric dipole moment, and the fine-structure splitting in stress-tunable In(Ga)As/GaAs quantum dots integrated onto a piezoelectric actuator. In particular, we investigate in detail the contributions of various elements of the expansion of the electrical polarization in terms of externally induced elastic strain on the latter two important quantum dot properties. Based on the comparison of the effects of first- and second-order piezoelectricity we provide a simple relation to estimate the influence of applied anisotropic stress on the quantum dot dipole moment for quantum dots significantly lattice mismatched to the host crystal.
ER -
KLENOVSKÝ, Petr, Petr STEINDL, Johannes ABERL, Eugenio ZALLO, Rinaldo TROTTA, Armando RASTELLI and Thomas FROMHERZ. Effect of second-order piezoelectricity on the excitonic structure of stress-tuned In(Ga)As/GaAs quantum dots. \textit{Physical Review B}. College PK: AMER PHYSICAL SOC, 2018, vol.~97, No~24, p.~245314-245319. ISSN~2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.97.245314.
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