L6-X6 Intervalley Scattering Time and Deformation Potential for Al0.6Ga0.4As Determined by Femtosecond Time-Resolved Infrared Absorption Spectroscopy

W. B. Wang; Kai Shum; R. R. Alfano; D. Szmyd; A. J. Nozik

doi:10.1103/PhysRevLett.68.662

L6-X6 Intervalley Scattering Time and Deformation Potential for Al0.6Ga0.4As Determined by Femtosecond Time-Resolved Infrared Absorption Spectroscopy

W. B. Wang
, Kai Shum
, R. R. Alfano
, D. Szmyd
, A. J. Nozik

Chemistry and Nanoscience

City University of New York
National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

19 Scopus Citations

Abstract

Hot electrons in Al0.6Ga0.4As were produced in the X6 valley from a photoexcited indirect transition by a 585-nm femtosecond pump pulse. The time evolution of the population of electrons in the bottom of the X6 alley was monitored by a femtosecond infrared probe pulse. The L6 X6 intervalley scattering time of 200 fs and the L6X6 intervalley deformation potential of 2.7×108 eV/cm were determined from the measured kinetic data.

Original language	American English
Pages (from-to)	662-665
Number of pages	4
Journal	Physical Review Letters
Volume	68
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.68.662 https://doi.org/10.1103/PhysRevLett.68.662
State	Published - 1992

NLR Publication Number

ACNR/JA-16171

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@article{3879ba8eb6d84dc89fff392ddfc5840e,

title = "L6-X6 Intervalley Scattering Time and Deformation Potential for Al0.6Ga0.4As Determined by Femtosecond Time-Resolved Infrared Absorption Spectroscopy",

abstract = "Hot electrons in Al0.6Ga0.4As were produced in the X6 valley from a photoexcited indirect transition by a 585-nm femtosecond pump pulse. The time evolution of the population of electrons in the bottom of the X6 alley was monitored by a femtosecond infrared probe pulse. The L6 X6 intervalley scattering time of 200 fs and the L6X6 intervalley deformation potential of 2.7{\texttimes}108 eV/cm were determined from the measured kinetic data.",

author = "Wang, \{W. B.\} and Kai Shum and Alfano, \{R. R.\} and D. Szmyd and Nozik, \{A. J.\}",

year = "1992",

doi = "10.1103/PhysRevLett.68.662",

language = "American English",

volume = "68",

pages = "662--665",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "5",

}

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T1 - L6-X6 Intervalley Scattering Time and Deformation Potential for Al0.6Ga0.4As Determined by Femtosecond Time-Resolved Infrared Absorption Spectroscopy

AU - Wang, W. B.

AU - Shum, Kai

AU - Alfano, R. R.

AU - Szmyd, D.

AU - Nozik, A. J.

PY - 1992

Y1 - 1992

N2 - Hot electrons in Al0.6Ga0.4As were produced in the X6 valley from a photoexcited indirect transition by a 585-nm femtosecond pump pulse. The time evolution of the population of electrons in the bottom of the X6 alley was monitored by a femtosecond infrared probe pulse. The L6 X6 intervalley scattering time of 200 fs and the L6X6 intervalley deformation potential of 2.7×108 eV/cm were determined from the measured kinetic data.

AB - Hot electrons in Al0.6Ga0.4As were produced in the X6 valley from a photoexcited indirect transition by a 585-nm femtosecond pump pulse. The time evolution of the population of electrons in the bottom of the X6 alley was monitored by a femtosecond infrared probe pulse. The L6 X6 intervalley scattering time of 200 fs and the L6X6 intervalley deformation potential of 2.7×108 eV/cm were determined from the measured kinetic data.

UR - https://www.scopus.com/pages/publications/0001286997

U2 - 10.1103/PhysRevLett.68.662

DO - 10.1103/PhysRevLett.68.662

M3 - Article

AN - SCOPUS:0001286997

SN - 0031-9007

VL - 68

SP - 662

EP - 665

JO - Physical Review Letters

JF - Physical Review Letters

IS - 5

ER -

L6-X6 Intervalley Scattering Time and Deformation Potential for Al0.6Ga0.4As Determined by Femtosecond Time-Resolved Infrared Absorption Spectroscopy

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