Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (2/2 displayed)

  • 2001Free-electron laser studies of energy transfer mechanisms in semiconductors doped with transition series ionscitations
  • 2000Suppression of Auger recombination in long-wavelength quantum well W-structure lasers5citations

Places of action

Chart of shared publication
Forcales, M.
1 / 2 shared
Gregorkiewicz, T.
1 / 9 shared
Wells, J. P. R.
1 / 1 shared
Klik, M.
1 / 1 shared
Vinh, N. Q.
1 / 1 shared
Meyer, J. R.
1 / 3 shared
Vurgaftman, I.
1 / 3 shared
Murdin, B. N.
1 / 5 shared
Yang, M. J.
1 / 1 shared
Findlay, P. C.
1 / 1 shared
Crowder, J. G.
1 / 1 shared
Pidgeon, Carl
1 / 2 shared
Chart of publication period
2001
2000

Co-Authors (by relevance)

  • Forcales, M.
  • Gregorkiewicz, T.
  • Wells, J. P. R.
  • Klik, M.
  • Vinh, N. Q.
  • Meyer, J. R.
  • Vurgaftman, I.
  • Murdin, B. N.
  • Yang, M. J.
  • Findlay, P. C.
  • Crowder, J. G.
  • Pidgeon, Carl
OrganizationsLocationPeople

article

Suppression of Auger recombination in long-wavelength quantum well W-structure lasers

  • Meyer, J. R.
  • Vurgaftman, I.
  • Murdin, B. N.
  • Yang, M. J.
  • Findlay, P. C.
  • Bradley, I. V.
  • Crowder, J. G.
  • Pidgeon, Carl
Abstract

<p>Using picosecond pulses from a free-electron laser, we have carried out a pump-probe determination of Shockley-Read-Hall (SRH) and Auger free-carrier recombination lifetimes in two long-wave (6-7 µm) W-structure laser with InAs/Ga<sub>1</sub>_<sub>x</sub>In<sub>x</sub>Sb/InAs/AlSb active regions. The SRH coefficient is nearly constant (A ? 4.0 × 10<sup>8</sup> s<sup>-1</sup>), while the Auger coefficient has an upper limit of C = 4.0 × 10<sup>-27</sup> to 2.2 × 10<sup>-27</sup> cm<sup>6</sup>/s in the temperature range 40-230 K. This represents an order of magnitude Auger suppression compared to type-I III-V semiconductors with the same energy gap.</p>

Topics
  • impedance spectroscopy
  • III-V semiconductor