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Long range strain and electrical potential induced by single edge dislocations in GaN

Gmeinwieser, Nikolaus and Gottfriedsen, P. and Schwarz, Ulrich and Wegscheider, Werner and Clos , R. and Krtschil, A. and Krost, A. and Engl, Karl and Weimar, A. and Brüderl, G. and Lell, Alfred and Härle, Volker (2006) Long range strain and electrical potential induced by single edge dislocations in GaN. Physica B Condensed Matter 376-37, pp. 451-454.

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Abstract

A dipole like strain state is induced by threading edge dislocations emerging at the surface of gallium nitride (GaN) bulk substrates. This local strain is calculated by means of a three-dimensional elastic deformation potential model, taking into account the free surface of the sample. The calculations are in excellent quantitative agreement with the strain state derived from line shifts of the ...

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Item Type:Article
Date:1 April 2006
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/j.physb.2005.12.116DOI
Classification:
NotationType
78.55.Cr; 61.72.Ff; 68.35.Gy; 73.20.At; 73.20.HbPACS
Keywords:GaN; Dislocation; Strain; Potential
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:25 Jan 2010 13:09
Last Modified:13 Mar 2014 12:30
Item ID:12180
Owner Only: item control page
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