Isotope dependence of the indirect energy gap of germanium

G. Davies; E. C. Lightowlers; K. Itoh; W. L. Hansen; E. E. Haller; V. Ozhogin

doi:10.1088/0268-1242/7/10/010

Isotope dependence of the indirect energy gap of germanium

G. Davies, E. C. Lightowlers, K. Itoh, W. L. Hansen, E. E. Haller, V. Ozhogin

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

32 Citations (Scopus)

Abstract

No-phonon luminescence from excitons bound to shallow donors and acceptors in crystalline germanium is found to move to higher energy with increasing mass number A of the germanium at the rate dE/dA=0.35+or-0.02 meV. The authors show that it is possible to predict this shift, to a good approximation, from the temperature dependence of the energy gap and the effect on the lattice parameter of the different isotopes.

Original language	English
Article number	010
Pages (from-to)	1271-1273
Number of pages	3
Journal	Semiconductor Science and Technology
Volume	7
Issue number	10
DOIs	https://doi.org/10.1088/0268-1242/7/10/010
Publication status	Published - 1992 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0268-1242/7/10/010

Cite this

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AU - Davies, G.

AU - Lightowlers, E. C.

AU - Itoh, K.

AU - Hansen, W. L.

AU - Haller, E. E.

AU - Ozhogin, V.

PY - 1992/12/1

Y1 - 1992/12/1

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AB - No-phonon luminescence from excitons bound to shallow donors and acceptors in crystalline germanium is found to move to higher energy with increasing mass number A of the germanium at the rate dE/dA=0.35+or-0.02 meV. The authors show that it is possible to predict this shift, to a good approximation, from the temperature dependence of the energy gap and the effect on the lattice parameter of the different isotopes.

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Isotope dependence of the indirect energy gap of germanium

Abstract

ASJC Scopus subject areas

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