M
Munuswamy Venkatesan
Researcher at Trinity College, Dublin
Publications - 170
Citations - 11134
Munuswamy Venkatesan is an academic researcher from Trinity College, Dublin. The author has contributed to research in topics: Magnetization & Ferromagnetism. The author has an hindex of 38, co-authored 170 publications receiving 10354 citations. Previous affiliations of Munuswamy Venkatesan include University College Dublin & College of Engineering, Guindy.
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Journal ArticleDOI
Donor impurity band exchange in dilute ferromagnetic oxides.
TL;DR: It is proposed thatferromagnetic exchange here, and in dilute ferromagnetic nitrides, is mediated by shallow donor electrons that form bound magnetic polarons, which overlap to create a spin-split impurity band.
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Thin films: unexpected magnetism in a dielectric oxide.
TL;DR: It is shown that thin films of hafnium dioxide (HfO2), an insulating oxide better known as a dielectric layer for nanoscale electronic devices, can be ferromagnetic even without doping.
Journal ArticleDOI
Anisotropic ferromagnetism in substituted zinc oxide.
TL;DR: Results are interpreted in terms of a spin-split donor impurity-band model, which can account for ferromagnetism in insulating or conducting high-k oxides with concentrations of magnetic ions that lie far below the percolation threshold.
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Ferromagnetism in Fe-doped SnO2 thin films
TL;DR: In this article, Ferromagnetic coupling of ferric ions via an electron trapped in a bridging oxygen vacancy (F center) is proposed to explain the high Curie temperature.
Journal ArticleDOI
Magnetism in hafnium dioxide
J. M. D. Coey,Munuswamy Venkatesan,Plamen Stamenov,C. B. Fitzgerald,Lucio Strazzabosco Dorneles +4 more
TL;DR: In terms of substrate area it is typically in the range $150--400\phantom{\rule{0.3em}{0ex}}{\ensuremath{\mu}}_{\mathrm{B}}\phanthem{nm}}^{-}2} as discussed by the authors.