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Published October 2013 | public
Journal Article

Influence of the chemical potential on the carrier effective mass in the thermoelectric solid solution Cu₂Zn₍₁₋ₓ₎FeₓGeSe₄

Abstract

In this paper, we describe the synthesis and characterization of the solid solution Cu_2Zn_(1-x)Fe_xGeSe_4. Electronic transport data have been analyzed using a single parabolic band model and have been compared to Cu_(2+x)Zn_(1-x)GeSe_4. The effective mass of these undoped, intrinsically hole conducting materials increases linearly with increasing carrier concentration, showing a non-parabolic transport behavior within the valence band.

Additional Information

© World Scientific Publishing Company. Received 11 June 2013; Accepted 26 July 2013; Published 22 August 2013. Wolfgang Zeier thanks the Carl-Zeiss foundation and acknowledges the funding through the Excellence Initiative (DFG/GSC 266).

Additional details

Created:
September 27, 2023
Modified:
October 24, 2023