http://www.cnr.it/ontology/cnr/individuo/prodotto/ID168709
Germanium K edge in GeO2 polymorphs. Correlation between local coordination and electronic structure of germanium (Articolo in rivista)
- Type
- Label
- Germanium K edge in GeO2 polymorphs. Correlation between local coordination and electronic structure of germanium (Articolo in rivista) (literal)
- Anno
- 2003-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/b212020h (literal)
- Alternative label
Bertini L., Ghigna P., Scavini M., Cargnoni F. (2003)
Germanium K edge in GeO2 polymorphs. Correlation between local coordination and electronic structure of germanium
in PCCP. Physical chemistry chemical physics (Print)
(literal)
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- Bertini L., Ghigna P., Scavini M., Cargnoni F. (literal)
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- ISI Web of Science (WOS) (literal)
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- L. Bertini: CNR - Istituto di Scienze e Tecnologie Molecolari, Via Golgi 19, I- 20133 Milano, Italy; P. Ghigna: INSTM, CNR - IENI, Dipartimento di Fisica \"M. Rolla\", Università di Pavia, Viale Taramelli 16, I-27100 Pavia, Italy; M. Scavini: Dipartimento di Chimica Fisica ed Elettrochimica, Università di Milano, Via Golgi 19, I-20133 Milano, Italy; F.Cargnoni: CNR - Istituto di Scienze e Tecnologie Molecolari, Via Golgi 19, I-20133 Milano, Italy (literal)
- Titolo
- Germanium K edge in GeO2 polymorphs. Correlation between local coordination and electronic structure of germanium (literal)
- Abstract
- The electronic properties of two room temperature persistent phases of germanium dioxide have been studied by means of experimental and theoretical techniques. We collected the Ge-k edge XANES spectra of these materials at the GILDA beamline of ESRF. The density of states of the two crystal phases, obtained from fully periodic Hartree-Fock and density functional calculations, is taken as the reference term to rationalise and assign the manifolds of the XANES spectra. Although this scheme requires a number of severe approximations, we obtained a good overall agreement between experiment and theory. The topological analysis of the theoretical electron density distribution in the crystals gave further information regarding the electronic properties of germanium dioxide. (literal)
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