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X-ray studies on optical and structural properties of ZnO nanostructured thin films

  • S. Larcheri
  • , C. Armellini
  • , F. Rocca*
  • , A. Kuzmin
  • , R. Kalendarev
  • , G. Dalba
  • , R. Graziola
  • , J. Purans
  • , D. Pailharey
  • , F. Jandard
  • *Šī darba korespondējošais autors
  • National Research Council of Italy
  • University of Latvia
  • CINaM

Zinātniskās darbības rezultāts: Devums žurnālamKonferences zinātniskais rakstskoleģiāli recenzēts

43 Atsauces (Scopus)

Kopsavilkums

X-ray absorption near-edge fine structure (XANES) studies have been carried out on nanostructured ZnO thin films prepared by atmospheric pressure chemical vapour deposition (APCVD). Films have been characterized by X-ray diffraction (XRD) and optical luminescence spectroscopy exciting with laser light (PL) or X-ray (XEOL). According to XRD measurements, all the APCVD samples reveal a highly (002) oriented crystalline structure. The samples have different thickness (less than 1 μm) and show significant shifts of the PL and XEOL bands in the visible region. Zn K-edge XANES spectra were recorded using synchrotron radiation at BM08 of ESRF (France), by detecting photoluminescence yield (PLY) and X-ray fluorescence yield (FLY). The differences between the PLY- and FLY-XANES confirm the possibility of studying the local environment in the luminescence centres and to correlate the structural and optical properties of ZnO nanostructured samples.

OriģinālvalodaAngļu
Lapas (no-līdz)267-274
Lapu skaits8
ŽurnālsSuperlattices and Microstructures
Sējums39
Izdevuma numurs1-4
DOIs
Publikācijas statussPublicēts - janv. 2006
PasākumsE-MRS 2005 Symposium G: ZnO and Related Materials Part 2 -
Ilgums: 31 maijs 20053 jūn. 2005

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