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Article: Microscopic structure of DX centers in Cd 0.8Zn 0.2Te:Cl

TitleMicroscopic structure of DX centers in Cd 0.8Zn 0.2Te:Cl
Authors
Issue Date1997
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 1997, v. 79 n. 22, p. 4473-4476 How to Cite?
AbstractPhotoexcitation of chlorine DX centers induces a transition of the Cl atoms to the shallow-donor state and persistent photoconductivity at low temperature in Cd 0.8Zn 0.2Te:Cl. The relaxation of the substitutional Cl atoms to the DX state at 140 K is coincident with a decrease of the positron line-shape parameter and an increase of annihilation with high-momentum core electrons. The results indicate positron trapping and annihilation at DX centers and at chlorine A centers. The data support the bond breaking model of the DX centers and the outward relaxation of the Cl and Cd(Zn) atoms alone the [111] direction. The thermal barrier for the shallow-deep transition was found to be 0.44 eV.
Persistent Identifierhttp://hdl.handle.net/10722/174748
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
References

 

DC FieldValueLanguage
dc.contributor.authorShan, YYen_HK
dc.contributor.authorLynn, KGen_HK
dc.contributor.authorSzeles, Csen_HK
dc.contributor.authorAsokaKumar, Pen_HK
dc.contributor.authorThio, Ten_HK
dc.contributor.authorBennett, JWen_HK
dc.contributor.authorBeling, CBen_HK
dc.contributor.authorFung, Sen_HK
dc.contributor.authorBecla, Pen_HK
dc.date.accessioned2012-11-26T08:47:13Z-
dc.date.available2012-11-26T08:47:13Z-
dc.date.issued1997en_HK
dc.identifier.citationPhysical Review Letters, 1997, v. 79 n. 22, p. 4473-4476en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/174748-
dc.description.abstractPhotoexcitation of chlorine DX centers induces a transition of the Cl atoms to the shallow-donor state and persistent photoconductivity at low temperature in Cd 0.8Zn 0.2Te:Cl. The relaxation of the substitutional Cl atoms to the DX state at 140 K is coincident with a decrease of the positron line-shape parameter and an increase of annihilation with high-momentum core electrons. The results indicate positron trapping and annihilation at DX centers and at chlorine A centers. The data support the bond breaking model of the DX centers and the outward relaxation of the Cl and Cd(Zn) atoms alone the [111] direction. The thermal barrier for the shallow-deep transition was found to be 0.44 eV.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.titleMicroscopic structure of DX centers in Cd 0.8Zn 0.2Te:Clen_HK
dc.typeArticleen_HK
dc.identifier.emailBeling, CB: cdbeling@hkucc.hku.hken_HK
dc.identifier.emailFung, S: sfung@hku.hken_HK
dc.identifier.authorityBeling, CB=rp00660en_HK
dc.identifier.authorityFung, S=rp00695en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031360279en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031360279&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume79en_HK
dc.identifier.issue22en_HK
dc.identifier.spage4473en_HK
dc.identifier.epage4476en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShan, YY=7203036700en_HK
dc.identifier.scopusauthoridLynn, KG=7102392474en_HK
dc.identifier.scopusauthoridSzeles, Cs=7003599473en_HK
dc.identifier.scopusauthoridAsokaKumar, P=7003841018en_HK
dc.identifier.scopusauthoridThio, T=7003540416en_HK
dc.identifier.scopusauthoridBennett, JW=7404252723en_HK
dc.identifier.scopusauthoridBeling, CB=7005864180en_HK
dc.identifier.scopusauthoridFung, S=7201970040en_HK
dc.identifier.scopusauthoridBecla, P=7004035127en_HK

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