Numerical Simulation of Current Dependence on Well Widths in AlGaAs/GaAs/AlGaAs Double Barrier Diode Structures

• Authors: A. Rezvani
• Languages of publication: EN

Abstracts

EN

A numerical procedure based on the time-dependent Kohn-Sham equation with an improved boundary condition for the modeling double barrier resonant tunneling diode is presented. The dependence of current components on well widths in AlGaAs/GaAs/AlGaAs structure is studied. An oscillatory behavior was observed as the width of the well is changed. Our evaluation shows that this oscillation cannot attribute to the well-known oscillation at resonance state.

Keywords

EN

73.63.Hs; 71.15.Mb; 71.10.Ca

Discipline

• 71.10.Ca: Electron gas, Fermi gas
• 71.15.Mb: Density functional theory, local density approximation, gradient and other corrections
• 73.63.Hs: Quantum wells

• Journal: Acta Physica Polonica A
• Year: 2003
• Volume: 103
• Issue: 1
• Pages: 47-56

Dates

published

2003-01

received

2002-06-07

revised

2002-11-14

Contributors

author

A. Rezvani

• Department of Physics, Tarbiat Modarres University, Tehran, Iran
• The Center for Theoretical Physics and Mathematics, AEOI, P.O. Box 14155-1339 Tehran, Iran

References

• 1. R. Tsu, L. Esaki, Appl. Phys. Lett., 22, 562, 1973
• 2. R. Tsu, L. Esaki, Appl. Phys. Lett., 24, 593, 1974
• 3. F. Capasso, K. Mohammed, A.Y. Cho, IEEE J. Quantum Electron., QE-22, 1853, 1986
• 4. R. Landauer, IBM J. Res. Dev., 1, 223, 57; 32, 303, 1988
• 5. H. Ohnishi, T. Inata, S. Muto, N. Yokoyama, A. Shibatomi, Appl. Phys. Lett., 49, 1248, 1986
• 6. L.V. Keldish, Zh. Eksp. Teor. Fiz., 47, 1515, 64, [Sov. Phys. JETP, 20, 1018, 1965]
• 7. Y. Meir, N.S. Wingreen, Phys. Rev. Lett., 68, 2512, 1992
• 8. L.Y. Chen, C.S. Ting, Phys. Rev. Lett., 64, 3159, 1990
• 9. W.R. Frensley, Phys. Rev. Lett., 57, 2853, 1986
• 10. R.K. Mains, G.I. Haddad, J. Appl. Phys., 64, 3564, 1988; 67, 591, 1990
• 11. M. Tsuchiya, H. Sakaki, Appl. Phys. Lett., 49, 14, 1986
• 12. A. Nakano, P. Vashishta, R.K. Kalia, Phys. Rev. B, 43, 11, 1991
• 13. A.H. Rezvani, M.A. Talebian, Iranian J. Phys. Res., 25, 2000
• 14. E. Runge, E.K.U. Gross, Phys. Rev. Lett., 52, 997, 1984
• 15. W. Kohn, L.J. Sham, Phys. Rev., 136, B864, 1964
• 16. D.J.W. Geldart, M. Rasolt, In Strongly Correlated Electron Systems, Eds. M.P. Das, D. Neilson, Nova Science Publ., New York 1992
• 17. S.H. Vosco, L. Wilk, M. Nusair, Can. J. Phys., 58, 1200, 1980
• 18. W.H. Press, B.D. Flannery, S.A. Teakolky, W.T. Vetterling, Numerical Recipes in Fortran, Art of Scientific Computing, 2nd ed., Cambridge University Press, Cambridge 1992
• 19. T.L. Li, K.J. Kahn, J. Comput. Phys., 110, 292, 1994
• 20. V.J. Goldman, D.C. Tsui, J.E. Cunningham, Phys. Rev. Lett., 58, 1256, 1987
• 21. G. Bastard, Wave Mechanics Applied to Semiconductor Heterostructures, Halste Press, 1988

Identifiers

DOI

10.12693/APhysPolA.103.47