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|Title:||Pseudo-potential band structure calculation of InSb ultra-thin films and its application to assess the n-metal-oxide-semiconductor transistor performance|
|Citation:||Zhu, Z.G., Low, T., Li, M.F., Fan, W.J., Bai, P., Kwong, D.L., Samudra, G. (2008-02-01). Pseudo-potential band structure calculation of InSb ultra-thin films and its application to assess the n-metal-oxide-semiconductor transistor performance. Semiconductor Science and Technology 23 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/0268-1242/23/2/025009|
|Abstract:||The band structure of InSb thin films with 〈1 0 0〉 surface orientation is calculated using the empirical pseudopotential method (EPM) to evaluate the performance of nanoscale devices using a InSb substrate. Contrary to the predictions by simple effective mass approximation methods (EMA), our calculation reveals that the Γ valley is still the lowest lying conduction valley. Based on EPM calculations, we obtained the important electronic structure and transport parameters, such as effective mass and valley energy minimum, of InSb thin film as a function of the film thickness. Our calculations reveal that the 'effective mass' of Γ-valley electrons increases with the scaling down of the film thickness. We also provide an assessment of nanoscale InSb thin film devices using a non-equilibrium Green's function under the effective mass framework in the ballistic regime. © 2008 IOP Publishing Ltd.|
|Source Title:||Semiconductor Science and Technology|
|Appears in Collections:||Staff Publications|
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