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Article: Anomaly of zero-bias conductance peaks in ferromagnet/d-wave superconductor junctions
Title | Anomaly of zero-bias conductance peaks in ferromagnet/d-wave superconductor junctions |
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Authors | |
Keywords | Physics |
Issue Date | 2001 |
Publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ |
Citation | Physical Review B (Condensed Matter), 2001, v. 63 n. 14, article no. 144520 , p. 1-6 How to Cite? |
Abstract | The Blonder-Tinkham-Klapwijk approach is applied to studying spin-polarized quasiparticle transport in ferromagnet (FM)/d-wave superconductor (SC) junctions by taking into account the roughness of the interfacial barrier, broken time-reversal symmetry (BTRS) states near the surface of the SC, and exchange interactions in the FM. It is shown that (1) the exchange splitting in the FM decreases the height of the zero-bias conductance peak (ZBCP) and may induce a zero-bias conductance dip (ZBCD), (2) the presence of the BTRS states in the SC may make the ZBCP split into two peaks, and (3) the interface roughness obstructs the ZBCP splitting and decreases the height of the ZBCP. The calculated results can account for the ZBCD observed experimentally in La 2/3Ba 1/3MnO 3/DyBa 2Cu 3O 7 and La 2/3Ba 1/3MnO 3/YBa 2Cu 3O 7-δ junctions. |
Persistent Identifier | http://hdl.handle.net/10722/43324 |
ISSN | |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Dong, ZC | en_HK |
dc.contributor.author | Xing, DY | en_HK |
dc.contributor.author | Wang, ZD | en_HK |
dc.contributor.author | Zheng, Z | en_HK |
dc.contributor.author | Dong, J | en_HK |
dc.date.accessioned | 2007-03-23T04:43:35Z | - |
dc.date.available | 2007-03-23T04:43:35Z | - |
dc.date.issued | 2001 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter), 2001, v. 63 n. 14, article no. 144520 , p. 1-6 | - |
dc.identifier.issn | 0163-1829 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/43324 | - |
dc.description.abstract | The Blonder-Tinkham-Klapwijk approach is applied to studying spin-polarized quasiparticle transport in ferromagnet (FM)/d-wave superconductor (SC) junctions by taking into account the roughness of the interfacial barrier, broken time-reversal symmetry (BTRS) states near the surface of the SC, and exchange interactions in the FM. It is shown that (1) the exchange splitting in the FM decreases the height of the zero-bias conductance peak (ZBCP) and may induce a zero-bias conductance dip (ZBCD), (2) the presence of the BTRS states in the SC may make the ZBCP split into two peaks, and (3) the interface roughness obstructs the ZBCP splitting and decreases the height of the ZBCP. The calculated results can account for the ZBCD observed experimentally in La 2/3Ba 1/3MnO 3/DyBa 2Cu 3O 7 and La 2/3Ba 1/3MnO 3/YBa 2Cu 3O 7-δ junctions. | en_HK |
dc.format.extent | 104596 bytes | - |
dc.format.extent | 45056 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter) | - |
dc.rights | Copyright 2001 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.63.144520 | - |
dc.subject | Physics | en_HK |
dc.title | Anomaly of zero-bias conductance peaks in ferromagnet/d-wave superconductor junctions | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=63&issue=14&spage=144520:1&epage=6&date=2001&atitle=Anomaly+of+zero-bias+conductance+peaks+in+ferromagnet/d-wave+superconductor+junctions | en_HK |
dc.identifier.email | Wang, ZD: zwang@hkucc.hku.hk | en_HK |
dc.identifier.authority | Wang, ZD=rp00802 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevB.63.144520 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0034909483 | en_HK |
dc.identifier.hkuros | 63877 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0034909483&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 63 | en_HK |
dc.identifier.issue | 14 | en_HK |
dc.identifier.spage | article no. 144520, p. 1 | - |
dc.identifier.epage | article no. 144520, p. 6 | - |
dc.identifier.isi | WOS:000168059800100 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Dong, ZC=7402274238 | en_HK |
dc.identifier.scopusauthorid | Xing, DY=7202670397 | en_HK |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | en_HK |
dc.identifier.scopusauthorid | Zheng, Z=7403007411 | en_HK |
dc.identifier.scopusauthorid | Dong, J=7403365671 | en_HK |
dc.identifier.issnl | 0163-1829 | - |