Photoluminescence in Tilted Magnetic Field of Triply Negatively Charged Excitons Hybridized with a Continuum

• Authors: B. Van Hattem , P. Corfdir , P. Brereton , P. Pearce , A. Graham , M. Stanley , M. Hugues , M. Hopkinson , R. Phillips
• Languages of publication: EN

Abstracts

EN

We analyse the magneto-photoluminescence of triply negatively charged excitons coupled to a continuum of states. The excitonic complex is confined to a Stranski-Krastanow InAs/GaAs quantum dot embedded in a Schottky diode. Different orientations of the magnetic field have been investigated. A modelling of the Coulomb blockade together with the calculation of the electron Fock-Darwin spectrum has allowed us to predict the magnetic fields of anticrossing between the quantum dot energy states and the wetting layer Landau levels. Good agreement between the theoretical model and the experimental results has been obtained.

Keywords

EN

78.66.Fd; 78.20.Ls

Discipline

• 78.20.Ls: Magneto-optical effects(for magneto-optical devices, see 85.70.Sq)
• 78.66.Fd: III-V semiconductors

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 5
• Pages: 798-800

Dates

published

2013-11

Contributors

author

B. Van Hattem

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

P. Corfdir

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

P. Brereton

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

P. Pearce

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

A. Graham

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

M. Stanley

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

author

M. Hugues

• Department of Electronic and Electrical Engineering, University of Sheffield Mappin Str., Sheffield S1 3JD, United Kingdom

author

M. Hopkinson

• Department of Electronic and Electrical Engineering, University of Sheffield Mappin Str., Sheffield S1 3JD, United Kingdom

author

R. Phillips

• Cavendish Laboratory, University of Cambridge, J.J. Thomson Av., Cambridge CB3 0HE, United Kingdom

References

• [1] K. Karrai, R.J. Warburton, C. Schulhauser, A. Högele, B. Urbaszek, E.J. McGhee, A.O. Govorov, J.M. Garcia, B.D. Gerardot, P.M. Petroff, Nature 427, 135 (2004)
• [2] N.A.J. Kleemans, J. van Bree, A.O. Govorov, J.G. Keizer, G.J. Hamhuis, R. Nötzel, A.Yu. Silov, P.M. Koenraad, Nature Phys. 6, 534 (2010)
• [3] B. Van Hattem, P. Corfdir, P. Brereton, P. Pearce, A.M. Graham, M.J. Stanley, M. Hugues, M. Hopkinson, R.T. Phillips, Phys. Rev. B 87, 205308 (2013)
• [4] A. Govorov, K. Karrai, R. Warburton, A. Kalameitsev, Physica E 20, 295 (2004)
• [5] T. Kehoe, M. Ediger, R.T. Phillips, M. Hopkinson, Rev. Sci. Instrum. 81, 013906 (2010)
• [6] M. Ediger, G. Bester, A. Badolato, P. Petroff, K. Karrai, A. Zunger, R. Warburton, Nature Phys. 3, 774 (2007)
• [7] R.J. Warburton, B.T. Miller, C.S. Dürr, C. Bödefeld, K. Karrai, J.P. Kotthaus, Phys. Rev. B 54, 16221 (1998)
• [8] The lens-shaped symmetry of the quantum dot has been deduced from the θ dependence of the X^0 diamagnetic coefficient, see Ref. [3]
• [9] A.B. Henriques, A.L. Efros, Phys. Rev. B 80, 153302 (2009)

Identifiers

DOI

10.12693/APhysPolA.124.798