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 (1/1 displayed)

  • 2010Correlation of Mn charge state with the electrical resistivity of Mn doped indium tin oxide thin films45citations

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Hedhili, Mohamed Nejib
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Kumar, S. R. Sarath
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2010

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  • Hedhili, Mohamed Nejib
  • Kumar, S. R. Sarath
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article

Correlation of Mn charge state with the electrical resistivity of Mn doped indium tin oxide thin films

  • Hedhili, Mohamed Nejib
  • Kasiviswanathan, S.
  • Kumar, S. R. Sarath
Abstract

Correlation of charge state of Mn with the increase in resistivity with Mn concentration is demonstrated in Mn-doped indium tin oxide films. Bonding analysis shows that Mn 2p3/2 core level can be deconvoluted into three components corresponding to Mn2+ and Mn4+ with binding energies 640.8 eV and 642.7 eV, respectively, and a Mn2+ satellite at ∼5.4 eV away from the Mn2+ peak. The presence of the satellite peak unambiguously proves that Mn exists in the +2 charge state. The ratio of concentration of Mn2+ to Mn4+ of ∼4:1 suggests that charge compensation occurs in the n-type films causing the resistivity increase.

Topics
  • impedance spectroscopy
  • resistivity
  • thin film
  • tin
  • Indium