Reduced thermal conductivity in Er-doped epitaxial InxGa1−xSb alloys

Joseph P. Feser, Dongyan Xu, and Hong Lu et al.

The thermal conductivity of epitaxially grown semiconducting alloys of InxGa1−xSb is studied and compared to Er doped alloys. At concentrations as low as ∼0.4% vol. Er, the Er coalesces to form epitaxially embedded ErSb nanocrystals which reduce the thermal conductivity compared to undoped alloys. ... [Appl. Phys. Lett. 103, 103102 (2013)] published Tue Sep 03, 2013.



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