Solid State Communications, volume 93, issue 4, pages 281-284

Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes

Al. L. EFROS ¹

V. A. Kharchenko ²

M. ROSEN ¹

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Beam Theory Section, Naval Research Laboratory, Washington, DC 20375 USA |

Institute for Theoretical Atomic and Molecular Physics, Harvard University, Cambridge, MA 02138 USA |

Publication type: Journal Article

Publication date: 1995-01-01

Elsevier

Journal: Solid State Communications

scimago Q2

SJR: 0.414

CiteScore: 3.4

Impact factor: 2.1

ISSN: 00381098, 18792766

DOI: 10.1016/0038-1098(94)00760-8

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Materials Chemistry

General Chemistry

Condensed Matter Physics

Abstract

An Auger-like mechanism is described for the rapid transfer of the electron energy to the hole in the valence band via their Coulomb interaction in the nanometer size quantum dots. The relaxation time and its dependence on the nanocrystal energy band parameters and radius is obtained. A value of ∼ 2 ps has been calculated for the electron thermalization from the first excited to the ground state of spherical CdSe nanocrystals. Our results show that Auger-like processes remove the thermalization “phonon bottleneck” problem in nanometer quantum dots with level spacings greater than typical phonon energies.

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EFROS A. L., Kharchenko V. A., ROSEN M. Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes // Solid State Communications. 1995. Vol. 93. No. 4. pp. 281-284.

GOST all authors (up to 50) Copy

EFROS A. L., Kharchenko V. A., ROSEN M. Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes // Solid State Communications. 1995. Vol. 93. No. 4. pp. 281-284.

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RIS Copy

TY - JOUR

DO - 10.1016/0038-1098(94)00760-8

UR - https://doi.org/10.1016/0038-1098(94)00760-8

TI - Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes

T2 - Solid State Communications

AU - EFROS, Al. L.

AU - Kharchenko, V. A.

AU - ROSEN, M.

PY - 1995

DA - 1995/01/01

PB - Elsevier

SP - 281-284

IS - 4

VL - 93

SN - 0038-1098

SN - 1879-2766

ER -

BibTex |

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@article{1995_EFROS,

author = {Al. L. EFROS and V. A. Kharchenko and M. ROSEN},

title = {Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes},

journal = {Solid State Communications},

year = {1995},

volume = {93},

publisher = {Elsevier},

month = {jan},

url = {https://doi.org/10.1016/0038-1098(94)00760-8},

number = {4},

pages = {281--284},

doi = {10.1016/0038-1098(94)00760-8}

}

MLA

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MLA Copy

EFROS, Al. L., et al. “Breaking the phonon bottleneck in nanometer quantum dots: Role of Auger-like processes.” Solid State Communications, vol. 93, no. 4, Jan. 1995, pp. 281-284. https://doi.org/10.1016/0038-1098(94)00760-8.

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Publisher

Elsevier

Journal

Solid State Communications

scimago Q2

SJR

0.414

CiteScore

3.4

Impact factor

2.1

ISSN

00381098 (Print)

18792766