Bond-stretching force constants and vibrational frequencies in ternary zinc-blende alloys: A systematic comparison of (In,Ga)P, (In,Ga)As and Zn(Se,Te)
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Eckner, Stefanie; Johannes, Andreas; Gnauck, M.; Kammer, H.; Steinbach, Tobias; Schonherr, S.; Chernikov, R.; Welter, E.; Ridgway, Mark C; Schnohr, Claudia
Description
We present element-specific effective bond-stretching force constants and Einstein frequencies of (In,Ga)P ternary alloys determined by temperature-dependent extended x-ray absorption fine structure spectroscopy. The bond-stretching force constants of both bond species show a nearly linear composition dependence between the values of GaP and InP. In contrast, the corresponding Einstein frequencies are different for the two bond species over the whole compositional range. Furthermore, we...[Show more]
Collections | ANU Research Publications |
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Date published: | 2019 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/205327 |
Source: | Europhysics Letters |
DOI: | 10.1209/0295-5075/126/36002 |
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