Role of Interfacial Energy I (Articolo in rivista)

Type
Label
  • Role of Interfacial Energy I (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp3124956 (literal)
Alternative label
  • Pin, Sonia; Suardelli, Marco; D'Acapito, Francesco; Spinolo, Giorgio; Zema, Michele; Tarantino, Serena C.; Ghigna, Paolo (2013)
    Role of Interfacial Energy I
    in Journal of physical chemistry. C
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pin, Sonia; Suardelli, Marco; D'Acapito, Francesco; Spinolo, Giorgio; Zema, Michele; Tarantino, Serena C.; Ghigna, Paolo (literal)
Pagina inizio
  • 6105 (literal)
Pagina fine
  • 6112 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 117 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Paul Scherrer Institute; University of Pavia; cnr-iom (literal)
Titolo
  • Role of Interfacial Energy I (literal)
Abstract
  • The initial steps of the reaction between ZnO and Al2O3 have been investigated with X-ray diffraction, atomic force microscopy, and X-ray absorption spectroscopy at the Zn-K edge starting from 45 nm thick zincite films deposited onto (110)- and (102)-oriented sapphire single crystals. The formation of nonequilibrium phase(s) has been detected for both orientations. For the (001)(zincite) parallel to (110)(sapphire) interface, the rate-determining step is the motion of the interface(s); the growth of the spinel layer is linear with time, with a rate constant k = 1.1(2) x 10(-9) cms(-1) at 1000 degrees C. At the (110)(zincite) parallel to (012)(sapphire) interface, the reaction shows dumped oscillations. The results are discussed along with a comparison with previous results on thinner films to clarify the role of interfacial free energy and crystallographic orientation. (literal)
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