RT Journal Article
T1 Indium Zinc Oxide pyramids with pinholes and nanopipes
A1 Bartolomé Vílchez, Javier
A1 Maestre Varea, David
A1 Amati, Mateo
A1 Cremades Rodríguez, Ana Isabel
A1 Piqueras De Noriega, Francisco Javier
AB Micropyramids of zinc-doped indium oxide have been grown by thermal treatments of compacted InN and ZnO powders at temperatures between 700:and 900 degrees C Under argon flow. X-ray diffraction (XRD) measurements and energy-dispersive X-ray (EDS) mappings as well as local EDS spectra enable the identification of rough surfaces of the pyramids with the nucleation of a shell of nanocrystallites with high Zn/In ratio because of the formation of Zn(k)In(2)O(k+3). Some of the pyramids have a truncated tip with pinholes with regular crystalline facets. The apexes of these pinhole's present a hollow core or nanopipe The possible relation of the nanopipes with a dislocation driven growth is discussed. A growth model is proposed from the morphology evolution of the pyramids during the formation of the In(2)O(3)-ZnO (IZO) compound X-ray photoelectron spectroscopy and microscopy (XPS-ESCA) Measurements are used to discuss the Zn incorporation as a dopant and the formation of Zn(k)In(2)O(k+3) ternaries. Cathodoluminescence (CL) in the scanning electron microscopy (SEM) shows a dependence of the luminescence of the microstructures on the Zn concentration and the growth temperature.
PB amer Chemical Soc
SN 1932-7447
YR 2011
FD 2011-04-28
LK https://hdl.handle.net/20.500.14352/43987
UL https://hdl.handle.net/20.500.14352/43987
LA eng
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NO ©2011 American Chemical Society.This work was supported by MCINN (MAT2009-07882, CSD2009-00013) and UCM-BSCH (GR58-08).
NO MCINN
NO UCM-BSCH
DS Docta Complutense
RD 28 sept 2024