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dc.contributor.author
Silva, L.S.
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Mercena, S.G.
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Garcia, Daniel Julio
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Bittar, E. M.
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Jesus, C. B. R.
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Pagliuso, P. G.
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Lora Serrano, R.
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Meneses, C.T.
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Duque, J.G.S.
dc.date.available
2018-08-31T15:25:37Z
dc.date.issued
2017-04
dc.identifier.citation
Silva, L.S.; Mercena, S.G.; Garcia, Daniel Julio; Bittar, E. M.; Jesus, C. B. R.; et al.; Crystal field effects in the intermetallic RNi3Ga9 (R=Tb, Dy, Ho, and Er) compounds; American Physical Society; Physical Review B; 95; 13; 4-2017; 134434-134434
dc.identifier.issn
2469-9969
dc.identifier.uri
http://hdl.handle.net/11336/57872
dc.description.abstract
In this paper, we report temperature-dependent magnetic susceptibility, electrical resistivity, and heat-capacity experiments in the family of intermetallic compounds RNi3Ga9 (R = Tb, Dy, Ho, and Er). Single-crystalline samples were grown using Ga self-flux method. These materials crystallize in a trigonal ErNi3Al9-type structure with space group R32. They all order antiferromagnetically with TN<20K. The anisotropic magnetic susceptibility presents large values of the ratio χeasy/χhard indicating strong crystalline electric-field (CEF) effects. The evolution of the crystal-field scheme for each R was analyzed in detail by using a spin model including anisotropic nearest-neighbor Ruderman-Kittel-Kasuya-Yosida interaction and the trigonal CEF Hamiltonian. Our analysis allows one to understand the distinct direction of the ordered moments along the series - the Tb-, Dy-, and Ho-based compounds have the ordered magnetic moments in the easy ab plane and the Er sample magnetization easy axis is along the ĉ direction.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Crystal Field Effects
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Magnetic Order
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Crystal field effects in the intermetallic RNi3Ga9 (R=Tb, Dy, Ho, and Er) compounds
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-08-31T13:47:34Z
dc.journal.volume
95
dc.journal.number
13
dc.journal.pagination
134434-134434
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Silva, L.S.. Universidade Federal de Sergipe; Brasil
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Fil: Mercena, S.G.. Universidade Federal de Sergipe; Brasil
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Fil: Garcia, Daniel Julio. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Bittar, E. M.. Centro Brasileiro de Pesquisas Físicas; Brasil
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Fil: Jesus, C. B. R.. Universidade Estadual de Campinas; Brasil
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Fil: Pagliuso, P. G.. Universidade Estadual de Campinas; Brasil
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Fil: Lora Serrano, R.. Universidade Federal de Uberlandia; Brasil
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Fil: Meneses, C.T.. Universidade Federal de Sergipe; Brasil
dc.description.fil
Fil: Duque, J.G.S.. Universidade Federal de Sergipe; Brasil. Universidade Estadual de Campinas; Brasil
dc.journal.title
Physical Review B
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1103/PhysRevB.95.134434
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.134434
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