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Article: Transport properties of Pr 0.7Ca 0.3MnO 3/Nb:SrTiO 3 heterojunctions

TitleTransport properties of Pr 0.7Ca 0.3MnO 3/Nb:SrTiO 3 heterojunctions
Authors
Luo, ZChan, PKLJim, KLLeung, CW
KeywordsCMR
Heterojunction
IV characteristics
Transport
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physb
Citation
Physica B: Condensed Matter, 2011, v. 406 n. 15-16, p. 3104-3107 How to Cite?
DOI: http://dx.doi.org/10.1016/j.physb.2011.05.018
AbstractCurrentvoltage (JV) characteristics of epitaxial hetero-junctions composed of Pr 0.7Ca 0.3MnO 3 and Nb:SrTiO 3 were studied under forward and reversed bias conditions. Detailed analysis showed that the JV characteristics of these heterojunctions can be well-fitted by the thermally-assisted tunnelling model. While the dielectric constant of Nb:SrTiO 3 extracted under the forward bias was about one order of magnitude smaller than that of bulk SrTiO 3, the value obtained under reverse bias was very close to that of the bulk SrTiO 3. The result can be explained by the existence of an interface layer on the Nb:SrTiO 3 substrate with a smaller effective dielectric constant. The current finding suggested that the properties of interface layer should be taken into account in order to accurately simulate the JV characteristics of such heterojunctions. © 2011 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/141689
ISSN
0921-4526
2021 Impact Factor: 2.988
2020 SCImago Journal Rankings: 0.485
ISI Accession Number ID
WOS:000292302700030
Funding AgencyGrant Number
PolyU1-ZV43
RGC of HKSAR, ChinaPolyU 5013/08P
Funding Information:

This work was supported by PolyU (1-ZV43) and RGC of HKSAR, China (PolyU 5013/08P).

References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLuo, Zen_HK
dc.contributor.authorChan, PKLen_HK
dc.contributor.authorJim, KLen_HK
dc.contributor.authorLeung, CWen_HK
dc.date.accessioned2011-09-27T02:58:11Z-
dc.date.available2011-09-27T02:58:11Z-
dc.date.issued2011en_HK
dc.identifier.citationPhysica B: Condensed Matter, 2011, v. 406 n. 15-16, p. 3104-3107en_HK
dc.identifier.issn0921-4526en_HK
dc.identifier.urihttp://hdl.handle.net/10722/141689-
dc.description.abstractCurrentvoltage (JV) characteristics of epitaxial hetero-junctions composed of Pr 0.7Ca 0.3MnO 3 and Nb:SrTiO 3 were studied under forward and reversed bias conditions. Detailed analysis showed that the JV characteristics of these heterojunctions can be well-fitted by the thermally-assisted tunnelling model. While the dielectric constant of Nb:SrTiO 3 extracted under the forward bias was about one order of magnitude smaller than that of bulk SrTiO 3, the value obtained under reverse bias was very close to that of the bulk SrTiO 3. The result can be explained by the existence of an interface layer on the Nb:SrTiO 3 substrate with a smaller effective dielectric constant. The current finding suggested that the properties of interface layer should be taken into account in order to accurately simulate the JV characteristics of such heterojunctions. © 2011 Elsevier B.V.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physben_HK
dc.relation.ispartofPhysica B: Condensed Matteren_HK
dc.subjectCMRen_HK
dc.subjectHeterojunctionen_HK
dc.subjectIV characteristicsen_HK
dc.subjectTransporten_HK
dc.titleTransport properties of Pr 0.7Ca 0.3MnO 3/Nb:SrTiO 3 heterojunctionsen_HK
dc.typeArticleen_HK
dc.identifier.emailChan, PKL:pklc@hku.hken_HK
dc.identifier.authorityChan, PKL=rp01532en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.physb.2011.05.018en_HK
dc.identifier.scopuseid_2-s2.0-79958018456en_HK
dc.identifier.hkuros253261-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79958018456&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume406en_HK
dc.identifier.issue15-16en_HK
dc.identifier.spage3104en_HK
dc.identifier.epage3107en_HK
dc.identifier.isiWOS:000292302700030-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridLuo, Z=55245263100en_HK
dc.identifier.scopusauthoridChan, PKL=35742829700en_HK
dc.identifier.scopusauthoridJim, KL=7003291766en_HK
dc.identifier.scopusauthoridLeung, CW=22958301300en_HK
dc.identifier.issnl0921-4526-

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