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Finite Element Analysis of Nanowire Superlattice Structures

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Computational Science and Its Applications — ICCSA 2003 (ICCSA 2003)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2668))

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Abstract

Finite Element calculations were performed on finite nanowire superlattice (NWSL) structures with a cylindrical cross section so as to determine electronic eigenstates and energy eigenvalues. In recent years, such structures have been grown as they are good candidates for use in active regions of future optoelectronic devices. In particular, we analyzed the qualitative differences in terms of wavefunctions and energy eigenvalues between structures containing the same number of barriers and wells (asymmetrical) and structures where the number of barrier layers is one above the number of well layers (symmetrical). Dirichlet boundary conditions were imposed on the surface of the nanowire structures corresponding to the case where the nanostructure environment is vacuum. We compared our results with those available for the Kronig-Penney model describing infinite NWSLs. Asymmetrical NWSL structures show qualitative and quantitative differences as compared to both symmetrical NWSL structures and infinite periodic NWSL structures.

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Author information

Authors and Affiliations

  1. University of Southern Denmark, Mads Clausen Institute, DK-6400, Denmark

    M. Willatzen & R. V. N. Melnik

  2. Department of Physics, Worcester Polytechnic Institute, MA, 01609, USA

    C. Galeriu & L. C. Lew Yan Voon

Authors
  1. M. Willatzen
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  2. R. V. N. Melnik
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  3. C. Galeriu
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  4. L. C. Lew Yan Voon
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Editor information

Editors and Affiliations

  1. Army High Performance Computing Research Center, USA

    Vipin Kumar

  2. Department of Computer Science and Engineering, University of Minessota, MN, 55455, USA

    Vipin Kumar

  3. Department of Computer Science, University of Calgary, Calgary, AB, T2N1N4, Canada

    Marina L. Gavrilova

  4. Heuchera Technologies Inc., 122 9251-8 Yonge Street, Richmond Hill, ON, Canada, L4C 9T3

    Chih Jeng Kenneth Tan

  5. School of Computer Science, The Queen’s University of Belfast, Belfast, BT7 1NN, Northern Ireland, UK

    Chih Jeng Kenneth Tan

  6. Département d’informatique et de recherche opérationelle, Université de Montréal, Montréal, Québec, H3C 3J7, Canada

    Pierre L’Ecuyer

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© 2003 Springer-Verlag Berlin Heidelberg

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Willatzen, M., Melnik, R.V.N., Galeriu, C., Voon, L.C.L.Y. (2003). Finite Element Analysis of Nanowire Superlattice Structures. In: Kumar, V., Gavrilova, M.L., Tan, C.J.K., L’Ecuyer, P. (eds) Computational Science and Its Applications — ICCSA 2003. ICCSA 2003. Lecture Notes in Computer Science, vol 2668. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44843-8_82

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  • DOI: https://doi.org/10.1007/3-540-44843-8_82

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-40161-2

  • Online ISBN: 978-3-540-44843-3

  • eBook Packages: Springer Book Archive

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