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dc.contributor.authorNanda, J-
dc.contributor.authorMahapatra, P K-
dc.contributor.authorRoy, C L-
dc.identifier.citationPhysica B: Condensed Matter (Accepted Postprint)en
dc.descriptionCopyright for this article belongs to Elsevier Science Ltd doi:10.1016/j.physb.2006.03.021en
dc.description.abstractA computational model based on non-relativistic approach is proposed for the determination of transmission coefficient, resonant tunneling energies, group velocity, resonant tunneling lifetime and traversal time in multibarrier systems (GaAs/AlyGa1−yAs) for the entire energy range ε<V0, ε=V0 and ε>V0, V0, being the potential barrier height. The resonant energy states were found to group into allowed tunneling bands separated by forbidden gaps. The tunneling lifetime and the traversal time are found to have minimum values at the middle of each allowed band. Further, It is observed that the electrons with energies in the higher tunneling band could tunnel out faster than those with energies in the lower band. Moreover, an additional resonant peak in resonant energy spectrum indicated the presence of a surface state where resonant tunneling occursen
dc.format.extent636938 bytes-
dc.subjectMultibarrier resonant tunnelingen
dc.subjectTransmission coefficienten
dc.subjectTunneling lifetimeen
dc.subjectGroup velocityen
dc.subjectTraversal timeen
dc.subjectSurface stateen
dc.titleTransmission coefficient, resonant tunneling lifetime and traversal time in multibarrier semiconductor heterostructureen
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