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Article: Comment on 'Energy transfer and upconversions in cubic Cs2NaYCl6:Er+3 and Cs2NaErCl6'

TitleComment on 'Energy transfer and upconversions in cubic Cs2NaYCl6:Er+3 and Cs2NaErCl6'
Authors
KeywordsPhysics
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 1999, v. 60 n. 19, p. 13902-13904 How to Cite?
AbstractWell-resolved luminescence from the crystal-field level 2H(2)9/2 aΓ8 at 36236 cm-1 to 34 lower levels has been observed for Cs2NaErCl6 upon pulsed laser excitation at 273.9 nm. The assignments enable the location and identification of the upconversion luminescence state in the study of Hasan et al. [Phys. Rev. B 56, 4518 (1997)] and support a two-photon vibronic excitation mechanism in the latter case. The experimentally determined energy for the 2H(2)9/2 aΓ8 state differs considerably from the calculated value. The temporal behavior of blue upconverted luminescence from the 2G9/2 state is reproduced from an analytical expression, and it is shown that the alternative fitting procedure does not enable the two-ion upconversion rate W to be well determined.
Persistent Identifierhttp://hdl.handle.net/10722/42630
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTanner, PAen_HK
dc.contributor.authorChua, Men_HK
dc.contributor.authorKwok, WMen_HK
dc.contributor.authorPhillips, DLen_HK
dc.date.accessioned2007-03-23T04:28:21Z-
dc.date.available2007-03-23T04:28:21Z-
dc.date.issued1999en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 1999, v. 60 n. 19, p. 13902-13904en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42630-
dc.description.abstractWell-resolved luminescence from the crystal-field level 2H(2)9/2 aΓ8 at 36236 cm-1 to 34 lower levels has been observed for Cs2NaErCl6 upon pulsed laser excitation at 273.9 nm. The assignments enable the location and identification of the upconversion luminescence state in the study of Hasan et al. [Phys. Rev. B 56, 4518 (1997)] and support a two-photon vibronic excitation mechanism in the latter case. The experimentally determined energy for the 2H(2)9/2 aΓ8 state differs considerably from the calculated value. The temporal behavior of blue upconverted luminescence from the 2G9/2 state is reproduced from an analytical expression, and it is shown that the alternative fitting procedure does not enable the two-ion upconversion rate W to be well determined.en_HK
dc.format.extent51355 bytes-
dc.format.extent26112 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 and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleComment on 'Energy transfer and upconversions in cubic Cs2NaYCl6:Er+3 and Cs2NaErCl6'en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=60&issue=19&spage=13902&epage=13904&date=1999&atitle=Comment+on+%27Energy+transfer+and+upconversions+in+cubic+Cs2NaYCl6:Er+3+and+Cs2NaErCl6%27en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.60.13902en_HK
dc.identifier.hkuros50375-
dc.identifier.isiWOS:000083940400095-

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