Physical Review B, volume 86, issue 3, publication number 035324

Anomalous suppression of valley splittings in lead salt nanocrystals without inversion center

A N Poddubny 1
M. O. NESTOKLON 1
S V Goupalov 1, 2
Serguei Goupalov 1, 2
Publication typeJournal Article
Publication date2012-07-25
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
We demonstrate that confinement-induced intervalley splittings of electron energy levels in PbSe and PbS nanocrystals are sensitive to the arrangement of atoms within a nanocrystal. The splittings are strongly suppressed for stoichiometric nanocrystals of ${T}_{d}$ point symmetry lacking a center of inversion as opposed to nonstoichiometric nanocrystals of ${O}_{h}$ point symmetry having an inversion center. Our findings are supported by both atomistic $s{p}^{3}{d}^{5}{s}^{*}$ tight-binding calculations and a symmetry analysis.

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Poddubny A. N. et al. Anomalous suppression of valley splittings in lead salt nanocrystals without inversion center // Physical Review B. 2012. Vol. 86. No. 3. 035324
GOST all authors (up to 50) Copy
Poddubny A. N., Poddubny A. N., NESTOKLON M. O., Goupalov S. V., Goupalov S. Anomalous suppression of valley splittings in lead salt nanocrystals without inversion center // Physical Review B. 2012. Vol. 86. No. 3. 035324
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RIS Copy
TY - JOUR
DO - 10.1103/physrevb.86.035324
UR - https://doi.org/10.1103/physrevb.86.035324
TI - Anomalous suppression of valley splittings in lead salt nanocrystals without inversion center
T2 - Physical Review B
AU - Poddubny, A N
AU - NESTOKLON, M. O.
AU - Goupalov, S V
AU - Poddubny, A. N.
AU - Goupalov, Serguei
PY - 2012
DA - 2012/07/25 00:00:00
PB - American Physical Society (APS)
IS - 3
VL - 86
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
Cite this
BibTex Copy
@article{2012_Poddubny,
author = {A N Poddubny and M. O. NESTOKLON and S V Goupalov and A. N. Poddubny and Serguei Goupalov},
title = {Anomalous suppression of valley splittings in lead salt nanocrystals without inversion center},
journal = {Physical Review B},
year = {2012},
volume = {86},
publisher = {American Physical Society (APS)},
month = {jul},
url = {https://doi.org/10.1103/physrevb.86.035324},
number = {3},
doi = {10.1103/physrevb.86.035324}
}
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