Crystal structure and physical properties of U3T3Sn4 (T = Ni, Cu) single crystals

L. Shlyk; P. Estrela; J. C. Waerenborgh; L. E. De Long; A. De Visser; D. P. Rojas; F. Gandra; M. Almeida

doi:10.1016/S0921-4526(00)00460-9

Crystal structure and physical properties of U₃T₃Sn₄ (T = Ni, Cu) single crystals

L. Shlyk
, P. Estrela
, J. C. Waerenborgh
, L. E. De Long
, A. De Visser
, D. P. Rojas
, F. Gandra
, M. Almeida

Producción científica: Article › revisión exhaustiva

6 Citas (Scopus)

Resumen

Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U₃Cu₃Sn₄ singlecrystals. U₃Cu₃Sn₄ was confirmed to be a heavy-fermion antiferromagnet (T_N = 13(1)K) with a low-temperature electronic heat capacity coefficient γ = 390 mJ/mol_UK². Low-temperature heat capacity experiments on a U₃Ni₃Sn₄ single-crystal indicate that below 0.4 K there is a crossover between the previously observed non-Fermi-liquid behavior and a Fermi-liquid state.

Idioma original	English
Páginas (desde-hasta)	89-96
Número de páginas	8
Publicación	Physica B: Condensed Matter
Volumen	292
N.º	1-2
DOI	https://doi.org/10.1016/S0921-4526(00)00460-9
Estado	Published - oct 2 2000

Nota bibliográfica

Funding Information:
The single crystals were grown by L.S. during her stay in Portugal under the support of a NATO fellowship. Research at the University of Kentucky was supported by NSF Grant #INT-9515504. P.E. acknowledges the European Commission for a grant within the TMR Programme. Part of this work was supported by FAPESP (Brazil).

Financiación

The single crystals were grown by L.S. during her stay in Portugal under the support of a NATO fellowship. Research at the University of Kentucky was supported by NSF Grant #INT-9515504. P.E. acknowledges the European Commission for a grant within the TMR Programme. Part of this work was supported by FAPESP (Brazil).

Financiadores	Número del financiador
Fundação de Amparo à Pesquisa do Estado de São Paulo
North Atlantic Treaty Organization
European Commission
NSF	9515504

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Acceder al documento

10.1016/S0921-4526(00)00460-9

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title = "Crystal structure and physical properties of U3T3Sn4 (T = Ni, Cu) single crystals",

abstract = "Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 singlecrystals. U3Cu3Sn4 was confirmed to be a heavy-fermion antiferromagnet (TN = 13(1)K) with a low-temperature electronic heat capacity coefficient γ = 390 mJ/molUK2. Low-temperature heat capacity experiments on a U3Ni3Sn4 single-crystal indicate that below 0.4 K there is a crossover between the previously observed non-Fermi-liquid behavior and a Fermi-liquid state.",

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note = "Funding Information: The single crystals were grown by L.S. during her stay in Portugal under the support of a NATO fellowship. Research at the University of Kentucky was supported by NSF Grant \#INT-9515504. P.E. acknowledges the European Commission for a grant within the TMR Programme. Part of this work was supported by FAPESP (Brazil).",

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AU - Shlyk, L.

AU - Estrela, P.

AU - Waerenborgh, J. C.

AU - De Long, L. E.

AU - De Visser, A.

AU - Rojas, D. P.

AU - Gandra, F.

AU - Almeida, M.

N1 - Funding Information: The single crystals were grown by L.S. during her stay in Portugal under the support of a NATO fellowship. Research at the University of Kentucky was supported by NSF Grant #INT-9515504. P.E. acknowledges the European Commission for a grant within the TMR Programme. Part of this work was supported by FAPESP (Brazil).

PY - 2000/10/2

Y1 - 2000/10/2

N2 - Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 singlecrystals. U3Cu3Sn4 was confirmed to be a heavy-fermion antiferromagnet (TN = 13(1)K) with a low-temperature electronic heat capacity coefficient γ = 390 mJ/molUK2. Low-temperature heat capacity experiments on a U3Ni3Sn4 single-crystal indicate that below 0.4 K there is a crossover between the previously observed non-Fermi-liquid behavior and a Fermi-liquid state.

AB - Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 singlecrystals. U3Cu3Sn4 was confirmed to be a heavy-fermion antiferromagnet (TN = 13(1)K) with a low-temperature electronic heat capacity coefficient γ = 390 mJ/molUK2. Low-temperature heat capacity experiments on a U3Ni3Sn4 single-crystal indicate that below 0.4 K there is a crossover between the previously observed non-Fermi-liquid behavior and a Fermi-liquid state.

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