Non-magnetic impurity induced magnetism in Li-doped SnO2 nanoparticles

Srivastava, Sandeep Kumar;Bouzerar, G.;Hadj-Azzem, A.;Lejay, P.
(2014) Journal of Superconductivity and Novel Magnetism — Vol. 27, n° 2, p. 487-492 (2014)

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Authors
  • Srivastava, Sandeep KumarUCLouvain
    Author
  • Bouzerar, G.Institut Néel, CNRS Grenoble
    Author
  • Hadj-Azzem, A.Institut Néel, CNRS Grenoble
    Author
  • Lejay, P.Institut Néel, CNRS Grenoble
    Author
Abstract
We address the possibility of non-magnetic doping induced magnetism, in Li-doped SnO2 nanoparticles. The compounds have been prepared by solid-state route at equilibrium and were found to be crystallized in single rutile phase. The magnetization measurements have shown that Li doping induces magnetism in SnO2 for a particular range of Li concentration. However, for other Li concentrations, including pure SnO2, the samples exhibit diamagnetism. To investigate the possible origin of the induced magnetism, we have studied the variation of the magnetization as a function of the average nanoparticle radius. Possible scenarios for the appearance of magnetism in these compounds are discussed.
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Srivastava, S. K., Bouzerar, G., Hadj-Azzem, A., & Lejay, P. (2014). Non-magnetic impurity induced magnetism in Li-doped SnO2 nanoparticles. Journal of Superconductivity and Novel Magnetism, 27(2), 487-492. https://doi.org/10.1007/s10948-013-2287-0 (Original work published 2014)