| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Selberherr, Siegfried
TU Wien
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2022Spin Transfer Torque Evaluation Based on Coupled Spin and Charge Transport: A Finite Element Method Approach
- 2020Influence of Current Redistribution in Switching Models for Perpendicular STT-MRAMcitations
- 2016Enhancement of Electron Spin Relaxation Time in Thin SOI Films by Spin Injection Orientation and Uniaxial Stresscitations
- 2014Microstructural Impact on Electromigration: A TCAD Studycitations
- 2013Multiple Purpose Spin Transfer Torque Operated Devices
- 2013strain induced reduction of surface roughness dominated spin relaxation in mosfetscitations
- 2011perspectives of silicon for future spintronic applications from the peculiarities of the subband structure in thin films
- 2011Modeling Electromigration Lifetimes of Copper Interconnectscitations
- 2009valley splitting in thin silicon films from a two band k p model
- 2009The Effect of Microstructure on Electromigration-Induced Failure Developmentcitations
- 2009thickness dependence of the effective masses in a strained thin silicon filmcitations
- 2009Analysis of Electromigration in Dual-Damascene Interconnect Structures
- 2007Electromigration Modeling for Interconnect Structures in Microelectronics
Places of action
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article
thickness dependence of the effective masses in a strained thin silicon film
Abstract
By comparing results obtained with the density- functional method, empirical pseudo-potential method, and empirical tight-binding method it is demonstrated that the conduction band structure is accurately described by the two- band k·p model. The later model is used to investigate the subband structure in ultra-thin (001) silicon films. It is demonstrated for the first time that the unprimed subbands with the same quantum number are not equivalent in ultra-thin films and develop different effective masses along (110) and (-110) directions. Using the two-band k·p model the dependence of the subband effective masses on strain and thickness is calculated. It is shown that the mass along tensile stress in (110) direction decreases with strain guaranteeing current enhancement in thin films. Shear strain also introduces large splitting between the unprimed subbands with the same n. Finally, the dependence of the effective masses in primed subbands is calculated and found to agree well with recent pseudopotential calculations.