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Article: Differential conductance of normal metal-insulator-d-wave superconductor junctions with interface roughness

TitleDifferential conductance of normal metal-insulator-d-wave superconductor junctions with interface roughness
Authors
Issue Date1996
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physc
Citation
Physica C: Superconductivity And Its Applications, 1996, v. 260 n. 3-4, p. 217-223 How to Cite?
AbstractWithin the framework of Blonder-Tinkham-Klapwijk (BTK) model and taking into account the interface roughness, we calculate the differential conductance of normal metal-insulator-d-wave superconductor junctions. We find that the tunneling spectrum depends strongly on both the incident angle of electrons and the crystalline axis orientation of the superconductor, and exhibits the zero-bias anomaly under suitable arrangements. Interestingly, even in the absence of the insulating layer, the tunneling spectrum of normal metal-d-wave superconductor junctions differs significantly from that for normal metal-s-wave superconductor due to the interface roughness. Moreover, both the tunnel conductance peak at the energy gap and the zero-bias conductance peak are suppressed by the interface roughness. Our results can explain many experimental measurements on the tunneling spectra of high-T c superconductors.
Persistent Identifierhttp://hdl.handle.net/10722/80988
ISSN
2015 Impact Factor: 0.835
2015 SCImago Journal Rankings: 0.472
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, JXen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorXing, DYen_HK
dc.contributor.authorDong, ZCen_HK
dc.date.accessioned2010-09-06T08:12:30Z-
dc.date.available2010-09-06T08:12:30Z-
dc.date.issued1996en_HK
dc.identifier.citationPhysica C: Superconductivity And Its Applications, 1996, v. 260 n. 3-4, p. 217-223en_HK
dc.identifier.issn0921-4534en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80988-
dc.description.abstractWithin the framework of Blonder-Tinkham-Klapwijk (BTK) model and taking into account the interface roughness, we calculate the differential conductance of normal metal-insulator-d-wave superconductor junctions. We find that the tunneling spectrum depends strongly on both the incident angle of electrons and the crystalline axis orientation of the superconductor, and exhibits the zero-bias anomaly under suitable arrangements. Interestingly, even in the absence of the insulating layer, the tunneling spectrum of normal metal-d-wave superconductor junctions differs significantly from that for normal metal-s-wave superconductor due to the interface roughness. Moreover, both the tunnel conductance peak at the energy gap and the zero-bias conductance peak are suppressed by the interface roughness. Our results can explain many experimental measurements on the tunneling spectra of high-T c superconductors.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physcen_HK
dc.relation.ispartofPhysica C: Superconductivity and its Applicationsen_HK
dc.rightsPhysica C: Superconductivity and its Applications. Copyright © Elsevier BV.en_HK
dc.titleDifferential conductance of normal metal-insulator-d-wave superconductor junctions with interface roughnessen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0921-4534&volume=260&spage=217&epage=223&date=1996&atitle=Differential+conductance+of+normal+metal-insulator-d+wave+superconductor+junctions+with+interface+roughnessen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0042629297en_HK
dc.identifier.hkuros10555en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0042629297&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume260en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage217en_HK
dc.identifier.epage223en_HK
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridZhu, JX=7405688302en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridXing, DY=7202670397en_HK
dc.identifier.scopusauthoridDong, ZC=7402274238en_HK

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