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Conference Paper: A Monte-Carlo study of defect sensitivity limits in positron lifetime spectroscopy

TitleA Monte-Carlo study of defect sensitivity limits in positron lifetime spectroscopy
Authors
KeywordsMaximum entropy
MELT
Monte Carlo
Positron lifetime spectroscopy
Issue Date2001
PublisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.net
Citation
12th International Conference on Positron Annihilation (ICPA-12), University of Bunderswehr Munchen, Neubiberg, Germany, 06-12 August 2000. In Materials Science Forum, 2001, v. 363-365, p. 692-694 How to Cite?
AbstractThe central task of positron lifetime spectroscopy is that of determining defect types and concentrations in solids. The technique is, however, often limited in its applicability owing to the difficulty of separating the defect and bulk lifetime components and further even when components are far enough apart to be separated the sensitivity limit for detecting the defect is ∼10 15s -1 - which is high compared to the sensitivity limits on other complimenting deep level techniques. Here we present studies carried out on using the MELT analysis software. The results show that by using high statistics spectra (10 8-10 10 events) such as may become available using planned high intensity LINAC-based beams, defect detection levels of ∼10 13cm -3 should become possible.
Persistent Identifierhttp://hdl.handle.net/10722/81015
ISSN
2005 Impact Factor: 0.399
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChin, HYen_HK
dc.contributor.authorLing, CCen_HK
dc.contributor.authorFung, Sen_HK
dc.contributor.authorBeling, CDen_HK
dc.date.accessioned2010-09-06T08:12:48Z-
dc.date.available2010-09-06T08:12:48Z-
dc.date.issued2001en_HK
dc.identifier.citation12th International Conference on Positron Annihilation (ICPA-12), University of Bunderswehr Munchen, Neubiberg, Germany, 06-12 August 2000. In Materials Science Forum, 2001, v. 363-365, p. 692-694en_HK
dc.identifier.issn0255-5476en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81015-
dc.description.abstractThe central task of positron lifetime spectroscopy is that of determining defect types and concentrations in solids. The technique is, however, often limited in its applicability owing to the difficulty of separating the defect and bulk lifetime components and further even when components are far enough apart to be separated the sensitivity limit for detecting the defect is ∼10 15s -1 - which is high compared to the sensitivity limits on other complimenting deep level techniques. Here we present studies carried out on using the MELT analysis software. The results show that by using high statistics spectra (10 8-10 10 events) such as may become available using planned high intensity LINAC-based beams, defect detection levels of ∼10 13cm -3 should become possible.en_HK
dc.languageengen_HK
dc.publisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.neten_HK
dc.relation.ispartofMaterials Science Forumen_HK
dc.rightsMaterials Science Forum. Copyright © Trans Tech Publications Ltd.en_HK
dc.subjectMaximum entropyen_HK
dc.subjectMELTen_HK
dc.subjectMonte Carloen_HK
dc.subjectPositron lifetime spectroscopyen_HK
dc.titleA Monte-Carlo study of defect sensitivity limits in positron lifetime spectroscopyen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0255-5476&volume=363-365&spage=692&epage=694&date=2001&atitle=A+Monte-Carlo+Study+of+Defect+Sensitivity+Limits+in+Positron+Lifetime+Spectroscopyen_HK
dc.identifier.emailLing, CC: ccling@hkucc.hku.hken_HK
dc.identifier.emailFung, S: sfung@hku.hken_HK
dc.identifier.emailBeling, CD: cdbeling@hkucc.hku.hken_HK
dc.identifier.authorityLing, CC=rp00747en_HK
dc.identifier.authorityFung, S=rp00695en_HK
dc.identifier.authorityBeling, CD=rp00660en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0035006250en_HK
dc.identifier.hkuros56862en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035006250&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume363-365en_HK
dc.identifier.spage692en_HK
dc.identifier.epage694en_HK
dc.identifier.isiWOS:000170202400205-
dc.publisher.placeSwitzerlanden_HK
dc.description.other12th International Conference on Positron Annihilation (ICPA-12), University of Bunderswehr Munchen, Neubiberg, Germany, 06-12 August 2000. In Materials Science Forum, 2001, v. 363-365, p. 692-694-
dc.identifier.scopusauthoridChin, HY=35333987300en_HK
dc.identifier.scopusauthoridLing, CC=13310239300en_HK
dc.identifier.scopusauthoridFung, S=7201970040en_HK
dc.identifier.scopusauthoridBeling, CD=7005864180en_HK

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