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Modelling of interband transitions in GaAs tunnel diode

Abstract : In this paper, an improved model for non-local band-to-band tunneling carrier transport is presented and compared to experimental measurement from GaAs tunnel junctions devices. By carefully taking into account the coupling between the conduction band and the light holes valence band, the model is able to predict, with realistic material parameters, the amplitude of the current density throughout the whole tunneling regime. The model suggests that elastic band-to-band tunneling instead of trap-assisted-tunneling is the predominant mechanism in GaAs tunnel junctions, which is of great interest for better understanding and improving III–V multijunction solar cells.
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Submitted on : Thursday, August 16, 2018 - 5:41:14 PM
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Kevin Louarn, Chantal Fontaine, Alexandre Arnoult, François Olivie, Guy Lacoste, et al.. Modelling of interband transitions in GaAs tunnel diode. Semiconductor Science and Technology, IOP Publishing, 2016, 31 (6), pp.06LT01. ⟨10.1088/0268-1242/31/6/06LT01⟩. ⟨hal-01857640⟩



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