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Properties of excitons confined to potential fluctuations due to indium distribution in the wetting layer which accompany self-assembled InAs/GaAs quantum dots are reviewed. Spectroscopic studies are summarized including time-resolved photoluminescence and corresponding single-photon emission correlation measurements. The identification of charge states of excitons is presented which is based on results of a theoretical analysis of interactions between the involved carriers. The effect of the dots’ environment on their optical spectra is also shown.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
73--79
Opis fizyczny
Bibliogr. 40 poz., wykr.
Twórcy
autor
- Faculty of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warszawa, Poland
Bibliografia
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- [6] S.V. Zaitsev, M.K. Welsch, A. Forchel, G. Bacher, Excitons in artificial quantum dots in the weak spatial confinement regime, J. Exp. Theor. Phys. 105 (2007) 1241.
- [7] G. S˛ek, A. Musiał, P. Podemski, M. Syperek, J. Misiewicz, A. Löffler, S. Höfling, L. Worschech, A. Forchel, Exciton kinetics and few particle effects in self-assembled GaAs-based quantum dashes, J. Appl. Phys. 107 (2010) 096106.
- [8] M. Hugues, M. Teisseire, J.-M. Chauveau, B. Vinter, B. Damilano, J.-Y. Duboz, J. Massies, Optical determination of the effective wetting layer thickness and composition in InAs/Ga(In) as quantum dots, Phys. Rev. B 76 (2007) 075335.
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- [12] A. Babiński, J. Borysiuk, S. Kret, M. Czyż, A. Golnik, S. Raymond, Z.R. Wasilewski, Natural quantum dots in the InAs/GaAs wetting layer, Appl. Phys. Lett. 92 (2008) 171104.
- [13] Z.R. Wasilewski, S. Fafard, J.P. McCaffrey, Size and shape engineering of vertically stacked self-assembled quantum dots, J. Cryst. Growth 201–202 (1999) 1131.
- [14] M. Vachon, S. Raymond, A. Babiński, J. Lapointe, Z. Wasilewski, M. Potemski, Energy shell structure of a single InAs/GaAs quantum dot with a spin-orbit interaction, Phys. Rev. B 79 (2009) 165427.
- [15] S. Awirothananon, S. Raymond, S. Studenikin, M. Vachon, W. Render, A. Sachrajda, X. Wu, A. Babiński, M. Potemski, S. Fafard, S.J. Cheng, M. Korkusinski, P. Hawrylak, Single-exciton energy shell structure in InAs/GaAs quantum dots, Phys. Rev. B 78 (2008) 235313.
- [16] A. Babiński, M. Potemski, S. Raymond, J. Lapointe, Z. Wasilewski, Fock-Darwin spectrum of a single InAs/GaAs quantum dot, Phys. Status Solidi (c) 3 (2006) 3748.
- [17] H. Nakamura, S. Kohmoto, T. Ishikawa, K. Asakawa, Novel nano-scale site-controlled InAs quantum dot assisted by scanning tunneling microscope probe, Phys. E 7 (2000) 331.
- [18] J.J. Finley, A.D. Ashmore, A. Lemaıtre, D.J. Mowbray, M.S. Skolnick, I.E. Itskevich, P.A. Maksym, M. Hopkinson, T.F. Krauss, Charged and neutral exciton complexes in individual self-assembled In(Ga)As quantum dots, Phys. Rev. B 63 (2001) 073307.
- [19] M. Zieliński, K. Gołasa, M.R. Molas, M. Goryca, T. Kazimierczuk, T. Smolenski, A. Golnik, P. Kossacki, A.A.L. Nicolet, M. Potemski, Z.R. Wasilewski, A. Babiński, Excitonic complexes in natural InAs/GaAs quantum dots, Phys. Rev. B 91 (2015) 085303.
- [20] M.-F. Tsai, H. Lin, C.-H. Lin, S.-D. Lin, S.-Y. Wang, M.- Lo, S.-J. Cheng, M.-C. Lee, W.-H. Chang, Diamagnetic response of exciton complexes in semiconductor quantum dots, Phys. Rev. Lett. 101 (2008) 267402.
- [21] T. Kazimierczuk, T. Smolenski, M. Goryca, Ł. Kłopotowski, P. Wojnar, K. Fronc, A. Golnik, M. Nawrocki, J.A. Gaj, P. Kossacki, Magnetophotoluminescence study of intershell exchange interaction in CdTe/ZnTe quantum dots, Phys. Rev. B 84 (2011) 165319.
- [22] M. Abbarchi, T. Kuroda, T. Mano, K. Sakoda, C.A. Mastrandrea, A. Vinatteri, M. Gurioli, T. Tsuchiya, Energy renormalization of exciton complexes in GaAs quantum dots, Phys. Rev. B 82 (2010) 201301.
- [23] T. Kazimierczuk, A. Golnik, P. Kossacki, J.A. Gaj, Z.R. Wasilewski, A. Babiński, Single-photon emission from the natural quantum dots in the InAs/GaAs wetting layer, Phys. Rev. B 84 (2011) 115325.
- [24] E.S. Moskalenko, M. Larsson, W.V. Schoenfeld, P.M. Petroff, P.O. Holtz, Carrier transport in self-organized InAs/GaAs quantum-dot structures studied by single-dot spectroscopy, Phys. Rev. B 73 (2006) 155336.
- [25] K.P. Korona, A. Babiński, S. Raymond, Z. Wasilewski, Dynamics of excitation transfer inside InAs/GaAs quantum dot system, Acta Phys. Pol. A 110 (2006) 219.
- [26] J. Suffczyński, T. Kazimierczuk, M. Goryca, B. Piechal, A. Trajnerowicz, K. Kowalik, P. Kossacki, A. Golnik, K.P. Korona, M. Nawrocki, J.A. Gaj, G. Karczewski, Excitation mechanisms of individual CdTe/ZnTe quantum dots studied by photon correlation spectroscopy, Phys. Rev. B 74 (2006) 085319.
- [27] A. Babiński, M. Czyż, J. Borysiuk, S. Kret, A. Golnik, S. Raymond, J. Lapointe, Z.R. Wasilewski, Neutral and charged excitons localized in the InAs/GaAs wetting layer, Acta Phys. Pol. A 114 (2008) 1055.
- [28] R. Oulton, A.I. Tartakovskii, A. Ebbens, J. Cahill, J.J. Finley, D.J. Mowbray, M.S. Skolnick, M. Hopkinson, Temperature-induced carrier escape processes studied in absorption of individual InxGa1-xAs quantum dots, Phys. Rev. B 69 (2004) 155323.
- [29] F. Olbrich, J. Kettler, M. Bayerbach, M. Paul, J. Höschele, S.L. Portalupi, M. Jetter, P. Michler, Temperature-dependent properties of single long-wavelength InGaAs quantum dots embedded in a strain reducing layer, J. App. Phys. 121 (2017) 184302.
- [30] L. Besombes, K. Kheng, L. Marsal, H. Mariette, Phys. Rev. B 63 (2001) 155307.
- [31] M. Bayer, A. Forchel, Temperature dependence of the exciton homogeneous linewidth in In0.60Ga0.40As/GaAs self-assembled quantum dots, Phys. Rev. B 65 (R) (2002) 041308.
- [32] A. Babiński, A. Golnik, J. Borysiuk, S. Kret, P. Kossacki, J.A. Gaj, S. Raymond, M. Potemski, Z. Wasilewski, Three-dimensional localization of excitons in the InAs/GaAs wetting layer–magnetospectroscopic study, Phys. Status Solidi (b) 246 (2009) 850.
- [33] K. Gołasa, M. Molas, M. Goryca, T. Kazimierczuk, T. Smole´nski, M. Koperski, A. Golnik, P. Kossacki, M. Potemski, Z.R. Wasilewski, A. Babiński, Properties ofe xcitons in quantum dots with a weak confinement, Acta Phys. Pol. A 124 (2013) 781.
- [34] R. Kotlyar, T.L. Reinecke, M. Bayer, A. Forchel, Zeeman spin splittings in semiconductor nanostructures, Phys. Rev. B 63 (2000) 085310.
- [35] P.P. Paskov, P.O. Holtz, B. Monemar, J.M. Garcia, W.V. Schoenfeld, P.M. Petroff, Magnetoluminescence of highly excited InAs/GaAs self-assembled quantum dots, Phys. Rev. B 62 (2000) 7344.
- [36] A. Babiński, M. Potemski, S. Raymond, Z.R. Wasilewski, Charged and neutral excitons in natural quantum dots in the InAs/GaAs wetting layer, Phys. E 40 (2008) 2078.
- [37] A. Babiński, J. Jasiński, R. Bożek, A. Szepielow, J.M. Baranowski, Rapid thermal annealing of InAs/GaAs quantum dots under a GaAs proximity cap, Appl. Phys. Lett. 79 (2001) 2576.
- [38] A. Babiński, S. Raymond, Z. Wasilewski, J. Lapointe, M. Potemski, Localization of excitons in the wetting layer accompanying self–sssembled InAs/GaAs quantum dots, Acta Phys. Pol. A 105 (547) (2006).
- [39] M. Bayer, G. Ortner, O. Stern, A. Kuther, A.A. Gorbunov, A. Forchel, P. Hawrylak, S. Fafard, K. Hinzer, T.L. Reinecke, S.N. Walck, J.P. Reithmaier, F. Klopf, F. Schäfer, Fine structure of neutral and charged excitons in self-assembled In(Ga)As/(Al)GaAs quantum dots, Phys. Rev. B 65 (2002) 195315.
- [40] N.A.J.M. Kleemans, J. van Bree, A.O. Govorov, J.G. Keizer, G.J. Hamhuis, R. Nötzel, A. Yu. Silov, P.M. Koenraad, Many-body exciton states in self-assembled quantum dots coupled to a Fermi sea, Nat. Phys. 6 (2010) 534.
Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d594b0e5-5295-4fcf-bdb4-bdbd1aa44847