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Article: Laser spectroscopy of NiBr: New electronic states and hyperfine structure

TitleLaser spectroscopy of NiBr: New electronic states and hyperfine structure
Authors
KeywordsPhysics Chemistry
Physical chemistry
Issue Date2006
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jsp
Citation
Journal Of Chemical Physics, 2006, v. 125 n. 21, p. 214308 How to Cite?
AbstractLaser induced fluorescence spectrum of NiBr in the visible region between 604 and 666 nm has been recorded and analyzed. Fourteen bands belonging to three electronic transition systems, namely, [15.1] Δ 52 2 -X Π 32 2, [15.1] Π 32 2 -X Π 32 2, and [14.0] Δ 52 2 -X Π 32 2 have been observed. Spectra of isotopic molecules were also observed and analyzed. Detailed analysis of the recorded spectra indicated that the two electronic states [15.1] Π 32 2 and [15.1] Δ 52 2 lie about 1 cm-1 apart from each other and J -dependent perturbation due to spin-uncoupling interaction has been observed. Least squares fitting procedures involving deperturbation matrix elements were used to fit the observed line positions, which yielded accurate molecular constants for the [15.1] Π 32 2 and [15.1] Δ 52 2 states. In addition, the (1,0) band of the [15.1] Δ 52 2 -X Π 32 2 transition shows partially resolved hyperfine structure that was caused by the interaction of unpaired electron with the magnetic moment of the Br nucleus (nuclear spin of I=32) in the excited state. The rapid decrease in hyperfine width as J increases suggests that the hyperfine coupling in the excited state conforms to Hund's case (aΒ) coupling scheme. © 2006 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/44588
ISSN
2015 Impact Factor: 2.894
2015 SCImago Journal Rankings: 0.959
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYe, Jen_HK
dc.contributor.authorLeung, JWHen_HK
dc.contributor.authorCheung, ASCen_HK
dc.date.accessioned2007-10-30T06:05:11Z-
dc.date.available2007-10-30T06:05:11Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Chemical Physics, 2006, v. 125 n. 21, p. 214308en_HK
dc.identifier.issn0021-9606en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44588-
dc.description.abstractLaser induced fluorescence spectrum of NiBr in the visible region between 604 and 666 nm has been recorded and analyzed. Fourteen bands belonging to three electronic transition systems, namely, [15.1] Δ 52 2 -X Π 32 2, [15.1] Π 32 2 -X Π 32 2, and [14.0] Δ 52 2 -X Π 32 2 have been observed. Spectra of isotopic molecules were also observed and analyzed. Detailed analysis of the recorded spectra indicated that the two electronic states [15.1] Π 32 2 and [15.1] Δ 52 2 lie about 1 cm-1 apart from each other and J -dependent perturbation due to spin-uncoupling interaction has been observed. Least squares fitting procedures involving deperturbation matrix elements were used to fit the observed line positions, which yielded accurate molecular constants for the [15.1] Π 32 2 and [15.1] Δ 52 2 states. In addition, the (1,0) band of the [15.1] Δ 52 2 -X Π 32 2 transition shows partially resolved hyperfine structure that was caused by the interaction of unpaired electron with the magnetic moment of the Br nucleus (nuclear spin of I=32) in the excited state. The rapid decrease in hyperfine width as J increases suggests that the hyperfine coupling in the excited state conforms to Hund's case (aΒ) coupling scheme. © 2006 American Institute of Physics.en_HK
dc.format.extent240754 bytes-
dc.format.extent2399 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jspen_HK
dc.relation.ispartofJournal of Chemical Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysics Chemistryen_HK
dc.subjectPhysical chemistryen_HK
dc.titleLaser spectroscopy of NiBr: New electronic states and hyperfine structureen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-9606&volume=125&issue=21&spage=214308&epage=&date=2006&atitle=Laser+spectroscopy+of+NiBr:+new+electronic+states+and+hyperfine+structureen_HK
dc.identifier.emailCheung, ASC:hrsccsc@hku.hken_HK
dc.identifier.authorityCheung, ASC=rp00676en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1063/1.2402170en_HK
dc.identifier.pmid17166022en_HK
dc.identifier.scopuseid_2-s2.0-33845446925en_HK
dc.identifier.hkuros131448-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33845446925&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume125en_HK
dc.identifier.issue21en_HK
dc.identifier.spage214308-
dc.identifier.epage214308-
dc.identifier.isiWOS:000242646200015-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYe, J=16065285100en_HK
dc.identifier.scopusauthoridLeung, JWH=7202180280en_HK
dc.identifier.scopusauthoridCheung, ASC=7401806538en_HK

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