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Harmonic Lattice Dynamics of Germanium

Abstract

The phonon dispersion relations of the DELTA-, LAMBDA-, and SIGMA-directions of germanium at 80 K are analysed in terms of current harmonic lattice dynamical models. On the basis of this experience, a new model is proposed which gives a unified account of the strong points of the previous models. The principal elements of the presented theory are quasiparticle bond charges combined with a valence force field.
Authors:
Publication Date:
Jul 01, 1974
Product Type:
Technical Report
Report Number:
AE-492
Resource Relation:
Other Information: 39 refs., 2 figs., 2 tabs.
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; PHONONS; GERMANIUM; DISPERSION RELATIONS; ANHARMONIC CRYSTALS; MONOCRYSTALS; TEMPERATURE RANGE 0065-0273 K
OSTI ID:
922506
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0808051
Availability:
Commercial reproduction prohibited; OSTI as DE00922506
Submitting Site:
SWDN
Size:
36 pages
Announcement Date:
Jan 25, 2008

Citation Formats

Nelin, G. Harmonic Lattice Dynamics of Germanium. Sweden: N. p., 1974. Web.
Nelin, G. Harmonic Lattice Dynamics of Germanium. Sweden.
Nelin, G. 1974. "Harmonic Lattice Dynamics of Germanium." Sweden.
@misc{etde_922506,
title = {Harmonic Lattice Dynamics of Germanium}
author = {Nelin, G}
abstractNote = {The phonon dispersion relations of the DELTA-, LAMBDA-, and SIGMA-directions of germanium at 80 K are analysed in terms of current harmonic lattice dynamical models. On the basis of this experience, a new model is proposed which gives a unified account of the strong points of the previous models. The principal elements of the presented theory are quasiparticle bond charges combined with a valence force field.}
place = {Sweden}
year = {1974}
month = {Jul}
}