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Photoacoustic properties of sintered NiO
dc.creator | Nikolić, Pantelija M. | |
dc.creator | Nikolić, Maria Vesna | |
dc.creator | Luković Golić, Danijela | |
dc.creator | Savić, Slavica M. | |
dc.creator | Ristic, MM | |
dc.date.accessioned | 2022-04-05T14:04:20Z | |
dc.date.available | 2022-04-05T14:04:20Z | |
dc.date.issued | 2004 | |
dc.identifier.issn | 0044-3093 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/95 | |
dc.description.abstract | The thermal diffusivity of NiO pellets was determined by the photoacoustic technique. A NiO powder, with a purity of 99.95%, was pressed into pellets 10 mm in diameter. The average agglomerate size of the NiO powder was 50 mum and the size of individual particles was between 1 and 10 mum. The pressing pressure was 1.5 GPa and the sintering temperature was 1100 degreesC. The sintering time was between 15 and 240 min. The photoacoustic phase and amplitude spectra of NiO were measured as a function of the modulating frequency, using a transmission detection configuration. Thermal diffusivity, D-T, the coefficient of minority carrier diffusion, their mobility and life time, and front and rear recombinating velocities were calculated as a function of sintering time by comparing the experimental results with theoretical photoacoustic phase and amplitude signals. The thermal diffusivity increases from 0.67 (.) 10(-5) to 0.97 (.) 10(-5) m(2)/s when the sintering time was changed from 15 to 240 minutes. | en |
dc.publisher | Carl Hanser Verlag, Munich | |
dc.rights | restrictedAccess | |
dc.source | Zeitschrift Fur Metallkunde | |
dc.subject | thermal diffusivity | en |
dc.subject | sintered NiO | en |
dc.subject | photoacoustic | en |
dc.title | Photoacoustic properties of sintered NiO | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 150 | |
dc.citation.issue | 3 | |
dc.citation.other | 95(3): 147-150 | |
dc.citation.rank | M21 | |
dc.citation.spage | 147 | |
dc.citation.volume | 95 | |
dc.identifier.doi | 10.3139/146.017928 | |
dc.identifier.scopus | 2-s2.0-16544383307 | |
dc.identifier.wos | 000220699100005 | |
dc.type.version | publishedVersion |
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