Manganite/Cuprate Superlattice as Artificial Reentrant Spin Glass

Handle URI:
http://hdl.handle.net/10754/621632
Title:
Manganite/Cuprate Superlattice as Artificial Reentrant Spin Glass
Authors:
Ding, Junfeng; Cossu, Fabrizio; Lebedev, Oleg I.; Zhang, Yuqin; Zhang, Zhidong; Schwingenschlögl, Udo ( 0000-0003-4179-7231 ) ; Wu, Tao ( 0000-0003-0845-4827 )
Abstract:
Emerging physical phenomena at the unit-cell-controlled interfaces of transition-metal oxides have attracted lots of interest because of the rich physics and application opportunities. This work reports a reentrant spin glass behavior with strong magnetic memory effect discovered in oxide heterostructures composed of ultrathin manganite La0.7Sr0.3MnO3 (LSMO) and cuprate La2CuO4 (LCO) layers. These heterostructures are featured with enhanced ferromagnetism before entering the spin glass state: a Curie temperature of 246 K is observed in the superlattice with six-unit-cell LSMO layers, while the reference LSMO film with the same thickness shows much weaker magnetism. Furthermore, an insulator-metal transition emerges at the Curie temperature, and below the freezing temperature the superlattices can be considered as a glassy ferromagnetic insulator. These experimental results are closely related to the interfacial spin reconstruction revealed by the first-principles calculations, and the dependence of the reentrant spin glass behavior on the LSMO layer thickness is in line with the general phase diagram of a spin system derived from the infinite-range SK model. The results of this work underscore the manganite/cuprate superlattices as a versatile platform of creating artificial materials with tailored interfacial spin coupling and physical properties. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
KAUST Department:
Materials Science and Engineering Program
Citation:
Ding J, Cossu F, Lebedev OI, Zhang Y, Zhang Z, et al. (2016) Manganite/Cuprate Superlattice as Artificial Reentrant Spin Glass. Advanced Materials Interfaces 3: 1500676. Available: http://dx.doi.org/10.1002/admi.201500676.
Publisher:
Wiley-Blackwell
Journal:
Advanced Materials Interfaces
Issue Date:
4-May-2016
DOI:
10.1002/admi.201500676
Type:
Article
ISSN:
2196-7350
Sponsors:
This work was supported by the King Abdullah University of Science and Technology (KAUST), and Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences.
Appears in Collections:
Articles; Materials Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorDing, Junfengen
dc.contributor.authorCossu, Fabrizioen
dc.contributor.authorLebedev, Oleg I.en
dc.contributor.authorZhang, Yuqinen
dc.contributor.authorZhang, Zhidongen
dc.contributor.authorSchwingenschlögl, Udoen
dc.contributor.authorWu, Taoen
dc.date.accessioned2016-11-03T13:21:24Z-
dc.date.available2016-11-03T13:21:24Z-
dc.date.issued2016-05-04en
dc.identifier.citationDing J, Cossu F, Lebedev OI, Zhang Y, Zhang Z, et al. (2016) Manganite/Cuprate Superlattice as Artificial Reentrant Spin Glass. Advanced Materials Interfaces 3: 1500676. Available: http://dx.doi.org/10.1002/admi.201500676.en
dc.identifier.issn2196-7350en
dc.identifier.doi10.1002/admi.201500676en
dc.identifier.urihttp://hdl.handle.net/10754/621632-
dc.description.abstractEmerging physical phenomena at the unit-cell-controlled interfaces of transition-metal oxides have attracted lots of interest because of the rich physics and application opportunities. This work reports a reentrant spin glass behavior with strong magnetic memory effect discovered in oxide heterostructures composed of ultrathin manganite La0.7Sr0.3MnO3 (LSMO) and cuprate La2CuO4 (LCO) layers. These heterostructures are featured with enhanced ferromagnetism before entering the spin glass state: a Curie temperature of 246 K is observed in the superlattice with six-unit-cell LSMO layers, while the reference LSMO film with the same thickness shows much weaker magnetism. Furthermore, an insulator-metal transition emerges at the Curie temperature, and below the freezing temperature the superlattices can be considered as a glassy ferromagnetic insulator. These experimental results are closely related to the interfacial spin reconstruction revealed by the first-principles calculations, and the dependence of the reentrant spin glass behavior on the LSMO layer thickness is in line with the general phase diagram of a spin system derived from the infinite-range SK model. The results of this work underscore the manganite/cuprate superlattices as a versatile platform of creating artificial materials with tailored interfacial spin coupling and physical properties. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.description.sponsorshipThis work was supported by the King Abdullah University of Science and Technology (KAUST), and Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences.en
dc.publisherWiley-Blackwellen
dc.subjectCuprateen
dc.subjectFirst-principles calculationsen
dc.subjectInterfacesen
dc.subjectManganiteen
dc.subjectReentrant spin glassen
dc.titleManganite/Cuprate Superlattice as Artificial Reentrant Spin Glassen
dc.typeArticleen
dc.contributor.departmentMaterials Science and Engineering Programen
dc.identifier.journalAdvanced Materials Interfacesen
dc.contributor.institutionKey Laboratory of Materials Physics; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 P. R. Chinaen
dc.contributor.institutionCRISMAT; UMR 6508; CNRS-ENSICAEN; 6Bd Marechal Juin 14050 Caen Franceen
dc.contributor.institutionShenyang National Laboratory for Materials Science; Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110016 P. R. Chinaen
kaust.authorDing, Junfengen
kaust.authorCossu, Fabrizioen
kaust.authorSchwingenschlögl, Udoen
kaust.authorWu, Taoen
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