Electronic conduction and density of states in Pb-modified amorphous germanium sulfide semiconductors

S. K. Malik; K. L. Bhatia

doi:10.1117/12.57024

1 February 1992 Electronic conduction and density of states in Pb-modified amorphous germanium sulfide semiconductors

S. K. Malik, K. L. Bhatia

Proceedings Volume 1523, Conference on Physics and Technology of Semiconductor Devices and Integrated Circuits; (1992) https://doi.org/10.1117/12.57024
Event: Conference on Physics and Technology of Semiconductor Devices and Integrated Circuits, 1992, Madras, India

Abstract

Amorphous semiconductors in the system Ge_xS_1-x are an interesting class of materials which exhibit quite different short range order in crystalline and amorphous state and form stoichiometric compositions like GeS, GeS₂ Ge₂S₃. Lead sulphide has been found to form stable glasses with GeS₂ in the presence of GeS. The exhibit photoconductivity of ambiopolar type1 Nature of electronic transport in these semiconductors is not well understood. It is of interest to study their electronic properties ard determine density of defect states in the bard gap. In this communication we have studied the a.c. conductivity of bulk amorphous (PbS)_x(Ges)_{0 7-x} (Ges₂) and Ge₄₂S₅₈.

Citation Download Citation

S. K. Malik and K. L. Bhatia "Electronic conduction and density of states in Pb-modified amorphous germanium sulfide semiconductors", Proc. SPIE 1523, Conference on Physics and Technology of Semiconductor Devices and Integrated Circuits, (1 February 1992); https://doi.org/10.1117/12.57024

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