| dc.creator | FRANCISCO PARAGUAY DELGADO | |
| dc.creator | MARIO MIKI YOSHIDA | |
| dc.date | 1999 | |
| dc.date.accessioned | 2023-07-21T15:31:46Z | |
| dc.date.available | 2023-07-21T15:31:46Z | |
| dc.identifier | http://cimav.repositorioinstitucional.mx/jspui/handle/1004/2227 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/7728132 | |
| dc.description | Zinc oxide thin films were prepared by spray pyrolytic decomposition of zinc acetate onto a glass substrate. Auger spectroscopy showed that the film stoichiometry is close to the ZnO phase with a little excess of oxygen. X-ray diffraction spectra show that the structure belongs to the hexagonal wurtzite crystal type, with a mean crystallite size in the range 20-33 nm. Under optimized deposition conditions films are caxis oriented, having a full width at half-maximum (FWHM) value of the (002) X-ray diffraction line of 0.238. Microstructure was analysed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and high resolution electron microscopy (HREM). In regard to the crystal growth, a critical temperature was found to be around 600 K. Above this critical temperature the film is c-axis oriented and almost all grains became round shaped. Optical constants, n and k, were determined using only transmittance data and a direct band gap of 3.28 eV was deduced. | |
| dc.format | application/pdf | |
| dc.language | eng | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.rights | http://creativecommons.org/about/cc0/ | |
| dc.subject | info:eu-repo/classification/Spray pyrolysis/Zinc oxide | |
| dc.subject | info:eu-repo/classification/Scanning electron microscopy/Transmission electon microscopy | |
| dc.subject | info:eu-repo/classification/cti/2 | |
| dc.subject | info:eu-repo/classification/cti/23 | |
| dc.subject | info:eu-repo/classification/cti/2399 | |
| dc.subject | info:eu-repo/classification/cti/239999 | |
| dc.subject | info:eu-repo/classification/cti/239999 | |
| dc.title | Growth, structure and optical characterization of high quality ZnO thin films obtained by spray pyrolysis | |
| dc.type | info:eu-repo/semantics/article | |
