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 (3/3 displayed)

  • 2014Magneto-optical properties of wurtzite-phase InP nanowires23citations
  • 2013Optical determination of strain field in GaAsN/GaAsN:H planar heterostructurescitations
  • 2003Hydrogen as a probe of the electronic properties of (InGa)(AsN)/GaAs heterostructurescitations

Places of action

Chart of shared publication
Luca, M. De
1 / 1 shared
Fonseka, H. A.
1 / 2 shared
Meaney, A. J.
1 / 1 shared
Maan, J. C.
1 / 4 shared
Polimeni, A.
2 / 3 shared
Christianen, P. C. M.
1 / 3 shared
Paiman, S.
1 / 10 shared
Mura, F.
1 / 4 shared
Guizzetti, Giorgio
1 / 5 shared
Giulotto, Enrico Virgilio
1 / 4 shared
Geddo, Mario
1 / 1 shared
Martelli, F.
1 / 6 shared
Rubini, S.
1 / 3 shared
Patrini, Maddalena
1 / 16 shared
Gollub, D.
1 / 1 shared
Bersani, Massimo
1 / 30 shared
Fischer, M.
1 / 16 shared
Barozzi, Mario
1 / 10 shared
Forchel, A.
1 / 5 shared
Baldassarri, Hoger Von Hogersthal G.
1 / 1 shared
Giubertoni, Damiano
1 / 31 shared
Polimeni, A. Bissiri M.
1 / 1 shared
Chart of publication period
2014
2013
2003

Co-Authors (by relevance)

  • Luca, M. De
  • Fonseka, H. A.
  • Meaney, A. J.
  • Maan, J. C.
  • Polimeni, A.
  • Christianen, P. C. M.
  • Paiman, S.
  • Mura, F.
  • Guizzetti, Giorgio
  • Giulotto, Enrico Virgilio
  • Geddo, Mario
  • Martelli, F.
  • Rubini, S.
  • Patrini, Maddalena
  • Gollub, D.
  • Bersani, Massimo
  • Fischer, M.
  • Barozzi, Mario
  • Forchel, A.
  • Baldassarri, Hoger Von Hogersthal G.
  • Giubertoni, Damiano
  • Polimeni, A. Bissiri M.
OrganizationsLocationPeople

article

Magneto-optical properties of wurtzite-phase InP nanowires

  • Luca, M. De
  • Capizzi, M.
  • Fonseka, H. A.
  • Meaney, A. J.
  • Maan, J. C.
  • Polimeni, A.
  • Christianen, P. C. M.
  • Paiman, S.
  • Mura, F.
Abstract

<p>The possibility to grow in zincblende (ZB) and/or wurtzite (WZ) crystal phase widens the potential applications of semiconductor nanowires (NWs). This is particularly true in technologically relevant III-V compounds, such as GaAs, InAs, and InP, for which WZ is not available in bulk form. The WZ band structure of many III-V NWs has been widely studied. Yet, transport (that is, carrier effective mass) and spin (that is, carrier g-factor) properties are almost experimentally unknown. We address these issues in a well-characterized material: WZ indium phosphide. The value and anisotropy of the reduced mass (μ<sub>exc</sub>) and g-factor (g<sub>exc</sub>) of the band gap exciton are determined by photoluminescence measurements under intense magnetic fields (B, up to 28 T) applied along different crystallographic directions. μ<sub>exc</sub> is 14% greater in WZ NWs than in a ZB bulk reference and it is 6% greater in a plane containing the WZ ĉ axis than in a plane orthogonal to ĉ. The Zeeman splitting is markedly anisotropic with g <sub>exc</sub> = |g<sub>e</sub>| = 1.4 for Bĉ (where g<sub>e</sub> is the electron g-factor) and g<sub>exc</sub> = |g<sub>e</sub> - g<sub>h,//</sub>| = 3.5 for B//ĉ (where g<sub>h,//</sub> is the hole g-factor). A noticeable B-induced circular dichroism of the emitted photons is found only for B//ĉ, as expected in WZ-phase materials.</p>

Topics
  • impedance spectroscopy
  • compound
  • photoluminescence
  • phase
  • semiconductor
  • anisotropic
  • band structure
  • Indium