Search Results - "GOUPALOV, Serguei V"
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Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange
Published in Nano letters (09-12-2020)“…We study the exciton fine structure in quantum dots of multivalley lead chalcogenides. We demonstrate that intervalley electron–hole exchange interaction,…”
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Crystal Structure Anisotropy Explains Anomalous Elastic Properties of Nanorods
Published in Nano letters (12-03-2014)“…It is demonstrated that the frequency of the extensional vibrational mode of a nanorod made of an elastically anisotropic crystalline material deviates widely…”
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Hidden Fine Structure of Quantum Defects Revealed by Single Carbon Nanotube Magneto-Photoluminescence
Published in ACS nano (24-03-2020)“…Organic color-center quantum defects in semiconducting carbon nanotube hosts are rapidly emerging as promising candidates for solid-state quantum information…”
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Exciton Fine Structure in Axially Symmetric Quantum Dots and Rods of III–V and II–VI Semiconductors
Published in The journal of physical chemistry letters (18-11-2024)“…Both absorption and emission of light in semiconductor quantum dots occur through excitation or recombination of confined electron-hole pairs, or excitons,…”
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Breaking the phonon bottleneck in semiconductor nanocrystals via multiphonon emission induced by intrinsic nonadiabatic interactions
Published in Physical review letters (04-11-2005)“…We observe ultrafast 1P-to-1S intraband relaxation in PbSe and CdSe nanocrystals (NCs) that have distinct energy spectra. While ultrafast dynamics in CdSe NCs…”
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Low-Frequency Vibrations of Semiconductor Nanoplatelets
Published in Journal of physical chemistry. C (09-05-2019)“…Colloidal semiconductor nanoplatelets have recently emerged as exciting materials for optoelectronic and biological applications. Their vibrational…”
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Revealing the Band-Edge Exciton Fine Structure of Single InP Nanocrystals
Published in Nano letters (12-07-2023)“…We investigate the fundamental optical properties of single zinc-blende InP/ZnSe/ZnS nanocrystals (NCs) using frequency- and time-resolved…”
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Correction to “Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange”
Published in Nano letters (28-09-2022)Get full text
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Interplay of Bright Triplet and Dark Excitons Revealed by Magneto‐Photoluminescence of Individual PbS/CdS Quantum Dots
Published in Small (Weinheim an der Bergstrasse, Germany) (01-04-2021)“…A low‐temperature polarization‐resolved magneto‐photoluminescence experiment is performed on individual PbS/CdS core/shell quantum dots (QDs). The experiment…”
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Intrinsic Exciton Photophysics of PbS Quantum Dots Revealed by Low-Temperature Single Nanocrystal Spectroscopy
Published in Nano letters (11-12-2019)“…With a tunable size-dependent photoluminescence (PL) over a wide infrared wavelength range, lead chalcogenide quantum dots (QDs) have attracted significant…”
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Tailoring the Exciton Fine Structure of Cadmium Selenide Nanocrystals with Shape Anisotropy and Magnetic Field
Published in ACS nano (25-11-2014)“…We use nominally spheroidal CdSe nanocrystals with a zinc blende crystal structure to study how shape perturbations lift the energy degeneracies of the…”
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Role of Valley Anisotropy in Optical Absorption of Monodisperse PbS Nanocrystals
Published in Journal of physical chemistry. C (14-12-2017)“…We study light absorption by nearly monodisperse PbS nanocrystals grown in a glass matrix. The absorption spectra demonstrate a well-resolved structure at…”
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Crystal Structure Anisotropy Explains Anomalous Elastic Properties of Nanorods
Published in Nano letters (2014)Get full text
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14
Comment on “Infrared and Raman selection rules for elastic vibrations of spherical nanoparticles”
Published in Physical review. B, Condensed matter and materials physics (01-11-2006)“…This Comment demonstrates again that selection rules established several years ago for the infrared absorption and the Raman scattering by vibrations of a…”
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Exciton dephasing in self-assembled CdSe quantum dots
Published in Physical review. B, Condensed matter and materials physics (01-08-2004)Get full text
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Size quantization of charge carriers in lead salt cylindrical quantum wires
Published 11-12-2010“…Phys. Rev. B 84, 037303 (2011) A formalism for determining energy eigenstates of cylindrical lead salt quantum wires in the multiple-band envelope-function…”
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Influence of Morphology on Blinking Mechanisms and Excitonic Fine Structure of Single Colloidal Nanoplatelets
Published 08-03-2018“…Colloidal semiconductor nanoplatelets (NPLs) with electronic structure as quantum wells have recently emerged as exciting materials for optoelectronic…”
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Exciton dephasing in self-assembled CdSe quantum dots
Published in Physical review. B, Condensed matter and materials physics (2004)Get full text
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