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Article: Quantum tunneling of two coupled single-molecular magnets

TitleQuantum tunneling of two coupled single-molecular magnets
Authors
KeywordsPhysics
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2003, v. 68 n. 10, p. 1044071-1044075 How to Cite?
AbstractTwo single-molecule magnets are coupled antiferromagnetically to form a supramolecule dimer. We study the coupling effect and tunneling process by means of the numerical exact diagonalization method, and apply them to the recently synthesized supramoleculer dimer [Mn 4] 2. A stray field is introduced to explain the tunneling splitting. Based on the Landau-Zener model the present theory is in qualitative agreement with the sweeping rate effect on the step height in the hysteresis loops.
Persistent Identifierhttp://hdl.handle.net/10722/43402
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHu, JMen_HK
dc.contributor.authorChen, ZDen_HK
dc.contributor.authorShen, SQen_HK
dc.date.accessioned2007-03-23T04:45:02Z-
dc.date.available2007-03-23T04:45:02Z-
dc.date.issued2003en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2003, v. 68 n. 10, p. 1044071-1044075en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43402-
dc.description.abstractTwo single-molecule magnets are coupled antiferromagnetically to form a supramolecule dimer. We study the coupling effect and tunneling process by means of the numerical exact diagonalization method, and apply them to the recently synthesized supramoleculer dimer [Mn 4] 2. A stray field is introduced to explain the tunneling splitting. Based on the Landau-Zener model the present theory is in qualitative agreement with the sweeping rate effect on the step height in the hysteresis loops.en_HK
dc.format.extent93721 bytes-
dc.format.extent34304 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleQuantum tunneling of two coupled single-molecular magnetsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=68&issue=10&spage=104407:1&epage=5&date=2003&atitle=Quantum+tunneling+of+two+coupled+single-molecular+magnetsen_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.68.104407en_HK
dc.identifier.scopuseid_2-s2.0-0142182570en_HK
dc.identifier.hkuros85036-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0142182570&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume68en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1044071en_HK
dc.identifier.epage1044075en_HK
dc.identifier.isiWOS:000185719000042-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHu, JM=35229937700en_HK
dc.identifier.scopusauthoridChen, ZD=7409486778en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK

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