Non-parabolicity And Anisotropy Effects On The Conduction-electron Effective G Factor In Gaas - Ga1 - X Alx As Quantum Well Wires
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Abstract
The effective electron Landé factor in GaAs - Ga1 - x Alx As rectangular quantum well wires, under magnetic fields applied along the wire axis, is studied by taking into account the non-parabolicity and anisotropy of the conduction band within the Ogg-McCombe effective Hamiltonian. Confinement effects on the electron wavefunctions are explored in order to evaluate its influence on the behavior of the effective Landé factor. Calculations for the electron g∥ factor in GaAs - Ga1 - x Alx As rectangular quantum well wires are compared with the previous theoretical results obtained for GaAs - Ga1 - x Alx As cylindrical quantum well wires. Such comparison clearly indicates the influence of the wire shape on the electron Landé factor in GaAs - Ga1 - x Alx As quantum well wires. © 2008 Elsevier B.V. All rights reserved.412240244Das Sarma, S., (2001) Amer. Sci., 89, p. 516Žutić, I., Fabian, J., Das Sarma, S., (2001) Appl. Phys. Lett., 79, p. 1558Žutić, I., Fabian, J., Das Sarma, S., (2004) Rev. Modern Phys., 76, p. 323Fabian, J., Žutić, I., Das Sarma, S., (2004) Appl. Phys. Lett., 84, p. 85Fabian, J., Matos-Abiague, A., Ertler, C., Stano, P., Žutić, I., (2007) Acta Phys. Slovaca, 57, p. 565Žutić, I., Fabian, J., (2007) Nature, 447, p. 269Oestreich, M., Rühle, W.W., (1995) Phys. Rev. Lett., 74, p. 2315Hannak, R.M., Oestreich, M., Heberle, A.P., Ruhle, W.W., Kohler, K., (1995) Solid State Commun., 93, p. 313Le Jeune, P., Robart, D., Marie, X., Amand, T., Brosseau, M., Barrau, J., Kalevich, V., Rodichev, D., (1997) Semicond. Sci. Technol., 12, p. 380Malinowski, A., Harley, R.T., (2000) Phys. Rev. B, 62, p. 2051Mayer Alegre, T.P., Hernández, F.G.G., Pereira, A.L.C., Medeiros-Ribeiro, G., (2006) Phys. Rev. Lett., 97, p. 236402Kiselev, A.A., Ivchenko, E.L., Rössler, U., (1998) Phys. Rev. B, 58, p. 16353Pfeffer, P., Zawadzki, W., (2006) Phys. Rev. B, 74, p. 233303de Dios-Leyva, M., Porras-Montenegro, N., Brandi, H.S., Oliveira, L.E., (2006) J. Appl. Phys., 99, p. 104303de Dios-Leyva, M., Reyes-Gómez, E., Perdomo-Leiva, C.A., Oliveira, L.E., (2006) Phys. Rev. B, 73, p. 085316Reyes-Gómez, E., Perdomo-Leiva, C.A., de Dios-Leyva, M., Oliveira, L.E., (2006) Phys. Rev. B, 74, p. 033314Yugova, I.A., Greilich, A., Yakovlev, D.R., Kiselev, A.A., Bayer, M., Petrov, V.V., Dolgikh, Yu.K., Wieck, A.D., (2007) Phys. Rev. B, 75, p. 245302Li, Y., Qian, F., Xiang, J., Lieber, C.M., (2006) Mater. Today, 9, p. 18López, F.E., Rodríguez, B.A., Reyes-Gómez, E., Oliveira, L.E., (2008) J. Phys. Condens. Matter, 20, p. 175204Ogg, N.R., (1966) Proc. Phys. Soc., 89, p. 431McCombe, B.O., (1969) Phys. Rev., 181, p. 1206Golubev, V.G., Ivanov-Omskiǐ, V.I., Minervin, I.G., Osutin, A.V., Polyakov, D.G., (1985) Sov. Phys. JETP, 61, p. 121