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Article: Dissipation function of the first-order phase transformation in VO2 ceramics by internal-friction measurements

TitleDissipation function of the first-order phase transformation in VO2 ceramics by internal-friction measurements
Authors
KeywordsPhysics
Issue Date1995
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1995, v. 52 n. 1, p. 278-284 How to Cite?
AbstractIn order to apply the concept of the dissipation function during the first-order phase transition (FOPT) in solids, we measured the internal friction Q-1 and shear modulus μ for a range of frequencies of polycrystalline ceramics VO2 as the sample passed through a FOPT across the temperature range of 300–420 K. The experiment was repeated for different temperature variation rate Ṫ. We have found that for each frequency, a maximum of Q-1 and a minimum of μ occurred at the same temperature Tp when Ṫ was kept constant. The numerical values of the dissipation function ΔGR plus other FOPT parameters have been deduced using Q-1 data. The general trend of ΔGR-T and other results are found to be consistent with known physical aspects.
Persistent Identifierhttp://hdl.handle.net/10722/43295
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, JXen_HK
dc.contributor.authorYang, ZHen_HK
dc.contributor.authorFung, PCWen_HK
dc.date.accessioned2007-03-23T04:43:03Z-
dc.date.available2007-03-23T04:43:03Z-
dc.date.issued1995en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 1995, v. 52 n. 1, p. 278-284en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43295-
dc.description.abstractIn order to apply the concept of the dissipation function during the first-order phase transition (FOPT) in solids, we measured the internal friction Q-1 and shear modulus μ for a range of frequencies of polycrystalline ceramics VO2 as the sample passed through a FOPT across the temperature range of 300–420 K. The experiment was repeated for different temperature variation rate Ṫ. We have found that for each frequency, a maximum of Q-1 and a minimum of μ occurred at the same temperature Tp when Ṫ was kept constant. The numerical values of the dissipation function ΔGR plus other FOPT parameters have been deduced using Q-1 data. The general trend of ΔGR-T and other results are found to be consistent with known physical aspects.en_HK
dc.format.extent995470 bytes-
dc.format.extent27136 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleDissipation function of the first-order phase transformation in VO2 ceramics by internal-friction measurementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0163-1829&volume=52&issue=1&spage=278&epage=284&date=1995&atitle=Dissipation+function+of+the+first-order+phase+transformation+in+V02+ceramics+by+internal-friction+measurementsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.52.278en_HK
dc.identifier.pmid9979601en_HK
dc.identifier.scopuseid_2-s2.0-0000493862-
dc.identifier.hkuros5517-
dc.identifier.isiWOS:A1995RH93000049-

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