Identification of Urbach, acceptor impurity, and phonon-assisted components of the optical absorption band tail of n-type InSb

G. R. Allan; H. A. MacKenzie; J. J. Hunter; B. S. Wherrett

Identification of Urbach, acceptor impurity, and phonon-assisted components of the optical absorption band tail of n-type InSb

G. R. Allan, H. A. MacKenzie, J. J. Hunter, B. S. Wherrett

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Abstract

New measurements are presented of the interband absorption edge, in the range 0.01 to 100 cm^-1, for uncompensated n-type InSb obtained using a photo-Hall technique. A spectral Urbach edge is observed in the range of sample temperature (20 to 77 K) and it is shown that the form of the experimental results derives from a broadening due to the interaction of acceptor impurity states. A phonon-assisted component is also identified at sample temperatures above 40 K.

Original language	English
Pages (from-to)	383-389
Number of pages	7
Journal	Physica Status Solidi B - Basic Research
Volume	149
Issue number	1
Publication status	Published - Sept 1988

Cite this

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title = "Identification of Urbach, acceptor impurity, and phonon-assisted components of the optical absorption band tail of n-type InSb",

abstract = "New measurements are presented of the interband absorption edge, in the range 0.01 to 100 cm-1, for uncompensated n-type InSb obtained using a photo-Hall technique. A spectral Urbach edge is observed in the range of sample temperature (20 to 77 K) and it is shown that the form of the experimental results derives from a broadening due to the interaction of acceptor impurity states. A phonon-assisted component is also identified at sample temperatures above 40 K.",

author = "Allan, \{G. R.\} and MacKenzie, \{H. A.\} and Hunter, \{J. J.\} and Wherrett, \{B. S.\}",

year = "1988",

month = sep,

language = "English",

volume = "149",

pages = "383--389",

journal = "Physica Status Solidi B - Basic Research",

issn = "1521-3951",

publisher = "John Wiley and Sons Inc.",

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T1 - Identification of Urbach, acceptor impurity, and phonon-assisted components of the optical absorption band tail of n-type InSb

AU - Allan, G. R.

AU - MacKenzie, H. A.

AU - Hunter, J. J.

AU - Wherrett, B. S.

PY - 1988/9

Y1 - 1988/9

N2 - New measurements are presented of the interband absorption edge, in the range 0.01 to 100 cm-1, for uncompensated n-type InSb obtained using a photo-Hall technique. A spectral Urbach edge is observed in the range of sample temperature (20 to 77 K) and it is shown that the form of the experimental results derives from a broadening due to the interaction of acceptor impurity states. A phonon-assisted component is also identified at sample temperatures above 40 K.

AB - New measurements are presented of the interband absorption edge, in the range 0.01 to 100 cm-1, for uncompensated n-type InSb obtained using a photo-Hall technique. A spectral Urbach edge is observed in the range of sample temperature (20 to 77 K) and it is shown that the form of the experimental results derives from a broadening due to the interaction of acceptor impurity states. A phonon-assisted component is also identified at sample temperatures above 40 K.

UR - https://www.scopus.com/pages/publications/0024073585

M3 - Article

SN - 1521-3951

VL - 149

SP - 383

EP - 389

JO - Physica Status Solidi B - Basic Research

JF - Physica Status Solidi B - Basic Research

IS - 1

ER -

Identification of Urbach, acceptor impurity, and phonon-assisted components of the optical absorption band tail of n-type InSb

Abstract

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