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Phonons in the beta-tin, Imma, and sh phases of Silicon
from ab initio calculations

Gaál-Nagy, Katalin and Strauch, Dieter (2006) Phonons in the beta-tin, Imma, and sh phases of Silicon
from ab initio calculations.
Physical Review B 73, 014117.

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We study the lattice statics and dynamics of Si near the beta-tin-->Imma-->sh phase transitions. The pressure at and the order of the phase transitions can be determined precisely from the dynamical rather than the static properties. We also present an interpretation of measured Raman frequencies of a high-pressure structure of silicon correcting a previous assignment to the beta-tin phase, since ...


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Item type:Article
Date:January 2006
Institutions:Physics > Institute of Theroretical Physics > Alumni or Retired Professors > Group Dieter Strauch
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:1821
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