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dc.contributor.author
Sereni, Julian Gustavo Renzo
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dc.date.available
2020-10-27T21:56:19Z
dc.date.issued
2018-01
dc.identifier.citation
Sereni, Julian Gustavo Renzo; Entropy Constraints in the Ground State Formation of Magnetically Frustrated Systems: Role of Nernst Postulate in Real Systems; Springer/Plenum Publisher; Journal of Low Temperature Physics; 190; 1-19; 1-2018
dc.identifier.issn
0022-2291
dc.identifier.uri
http://hdl.handle.net/11336/116996
dc.description.abstract
A systematic modification of the entropy trajectory (Sm(T)) is observed at very low temperature in magnetically frustrated systems as a consequence of the constraint (Sm≥ 0) imposed by the Nernst postulate. The lack of magnetic order allows to explore and compare new thermodynamic properties by tracing the specific heat (Cm) behavior down to the sub-Kelvin range. Some of the most relevant findings are: (i) a common Cm/ T| T → 0≈ 7 J/mol K2 ‘plateau’ in at least five Yb-based very-heavy-fermions (VHF) compounds; (ii) quantitative and qualitative differences between VHF and standard non-Fermi-liquids; (iii) entropy bottlenecks governing the change of Sm(T) trajectories in a continuous transition into alternative ground states. A comparative analysis of Sm(T→ 0) dependencies is performed in compounds suitable for adiabatic demagnetization processes according to their ∂2Sm/ ∂T2 derivatives.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer/Plenum Publisher
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CE AND YB COMPOUNDS
dc.subject
ENTROPY
dc.subject
HEAVY FERMIONS
dc.subject
MAGNETIC FRUSTRATION
dc.subject
SPECIFIC HEAT
dc.subject.classification
Física de los Materiales Condensados
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Entropy Constraints in the Ground State Formation of Magnetically Frustrated Systems: Role of Nernst Postulate in Real Systems
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-15T17:29:54Z
dc.journal.volume
190
dc.journal.number
1-19
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Sereni, Julian Gustavo Renzo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Area de Investigación y Aplicaciones No Nucleares. Gerencia de Física (Centro Atómico Bariloche). División Bajas Temperaturas; Argentina
dc.journal.title
Journal of Low Temperature Physics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10909-017-1828-5
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs10909-017-1828-5
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