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Optical conductivity of fci-ZnMgRE quasicrystals
Institute for Semiconductor Physics, Vilnius .
Institute for Semiconductor Physics, Vilnius .
Linköping University, Department of Physics, Chemistry and Biology, Applied Optics . Linköping University, The Institute of Technology.ORCID iD: 0000-0001-9229-2028
Goethe University Frankfurt.
2011 (English)In: THIN SOLID FILMS, ISSN 0040-6090, Vol. 519, no 9, 2951-2954 p.Article in journal (Refereed) Published
Abstract [en]

The results of room-temperature spectroscopic ellipsometry study of single-grain face-centred icosahedral (fci) ZnMgY, ZnMgHo, and ZnMgEr quasicrystals in the spectral range of 0.1-6.5 eV are presented. Analysis of the optical conductivity spectra, carried out within a framework of the band structure hypothesis, reveals that an optical response of the fci-ZnMgRE quasicrystals is determined by a superposition of the intraband Drude-type contribution and that of the interband optical transitions across a pseudogap. The deduced parameters of the fci-ZnMgRE electron energy spectrum are close to their values determined previously from an analysis of the fci-ZnMgRE photoemission data.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND , 2011. Vol. 519, no 9, 2951-2954 p.
Keyword [en]
Quasicrystals, Spectroscopic ellipsometry, Optical conductivity
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-67706DOI: 10.1016/j.tsf.2010.12.050ISI: 000289174200084OAI: diva2:412600
Available from: 2011-04-26 Created: 2011-04-26 Last updated: 2013-10-14

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Arwin, Hans
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