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Article: Temperature dependence study of positronium formation in high density polyethylene by positron annihilation lifetime spectroscopy

TitleTemperature dependence study of positronium formation in high density polyethylene by positron annihilation lifetime spectroscopy
Authors
Issue Date2007
PublisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/102519628
Citation
Physica Status Solidi (C) Current Topics In Solid State Physics, 2007, v. 4 n. 10, p. 3751-3754 How to Cite?
AbstractPositron annihilation lifetime spectroscopy has been used to study the formation of positronium in high density polyethylene as a function of temperature over the range 30 K-350 K. It is observed that the thermal history of the sample, while having no influence on the positronium lifetime, has a strong effect on the formation of positronium. A hysteresis is seen in the positronium formation probability in cooling and heating cycles. This is explained on a two channel formation model, the first channel being through "blob" formation and the second through the pick-up of shallow trapped electrons. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
Persistent Identifierhttp://hdl.handle.net/10722/81050
ISSN
2015 SCImago Journal Rankings: 0.392
References

 

DC FieldValueLanguage
dc.contributor.authorNahid, Fen_HK
dc.contributor.authorBeling, CDen_HK
dc.contributor.authorFung, Sen_HK
dc.date.accessioned2010-09-06T08:13:11Z-
dc.date.available2010-09-06T08:13:11Z-
dc.date.issued2007en_HK
dc.identifier.citationPhysica Status Solidi (C) Current Topics In Solid State Physics, 2007, v. 4 n. 10, p. 3751-3754en_HK
dc.identifier.issn1862-6351en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81050-
dc.description.abstractPositron annihilation lifetime spectroscopy has been used to study the formation of positronium in high density polyethylene as a function of temperature over the range 30 K-350 K. It is observed that the thermal history of the sample, while having no influence on the positronium lifetime, has a strong effect on the formation of positronium. A hysteresis is seen in the positronium formation probability in cooling and heating cycles. This is explained on a two channel formation model, the first channel being through "blob" formation and the second through the pick-up of shallow trapped electrons. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.en_HK
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/102519628en_HK
dc.relation.ispartofPhysica Status Solidi (C) Current Topics in Solid State Physicsen_HK
dc.titleTemperature dependence study of positronium formation in high density polyethylene by positron annihilation lifetime spectroscopyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1610-1634&volume=4&spage=3751&epage=3754&date=2007&atitle=Temperature+dependence+study+of+positronium+formation+in+high+density+polyethylene+by+positron+annihilation+lifetime+spectroscopyen_HK
dc.identifier.emailBeling, CD: cdbeling@hkucc.hku.hken_HK
dc.identifier.emailFung, S: sfung@hku.hken_HK
dc.identifier.authorityBeling, CD=rp00660en_HK
dc.identifier.authorityFung, S=rp00695en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/pssc.200675780en_HK
dc.identifier.scopuseid_2-s2.0-50049094286en_HK
dc.identifier.hkuros136981en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-50049094286&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume4en_HK
dc.identifier.issue10en_HK
dc.identifier.spage3751en_HK
dc.identifier.epage3754en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridNahid, F=23005581800en_HK
dc.identifier.scopusauthoridBeling, CD=7005864180en_HK
dc.identifier.scopusauthoridFung, S=7201970040en_HK

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