Study of the critical behaviour of the magnetization and electrical resistivity in cubic La(Fe, Si)13 compounds

T. T.M. Palstra; J. A. Mydosh; G. J. Nieuwenhuys; A. M. van der Kraan; K. H.J. Buschow

doi:10.1016/0304-8853(83)90128-2

Study of the critical behaviour of the magnetization and electrical resistivity in cubic La(Fe, Si)₁₃ compounds

T. T.M. Palstra^*, J. A. Mydosh, G. J. Nieuwenhuys, A. M. van der Kraan, K. H.J. Buschow

^*Corresponding author for this work

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Abstract

The magnetic properties of the cubic NaZn₁₃ type pseudobinary compounds La(T_xSi_1-x)₁₃ were studied for T = Fe, Co and Ni in the temperature range 4.2-300 K. ⁵⁷Fe Mössbauer spectroscopy was performed on LaFe₁₁Si₂ and ⁵⁷Fe-doped LaCo₁₁Si₂. The compounds with T = Fe or Co are ferromagnetic, while the compound LaNi₁₁Si₂ is a Pauli paramagnet. The critical behaviour around the Curie temperature T_c was studied in La(Fe_xSi_1-x)₁₃ by measuring the temperature dependences on the zero-field susceptibility and the electrical resistivity. The critical exponent γ in the expression χ ∝ (T - T_c)^-γ was found to be close to 1.38 corresponding to an isotropic Heisenberg ferromagnet. The anomalous critical behaviour shown by electrical resistivity can be explained in terms of lattice softening associated with the Invar effect.

Original language	English
Pages (from-to)	290-296
Number of pages	7
Journal	Journal of magnetism and magnetic materials
Volume	36
Issue number	3
DOIs	https://doi.org/10.1016/0304-8853(83)90128-2
Publication status	Published - 2 Apr 1983
Externally published	Yes

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title = "Study of the critical behaviour of the magnetization and electrical resistivity in cubic La(Fe, Si)13 compounds",

abstract = "The magnetic properties of the cubic NaZn13 type pseudobinary compounds La(TxSi1-x)13 were studied for T = Fe, Co and Ni in the temperature range 4.2-300 K. 57Fe M{\"o}ssbauer spectroscopy was performed on LaFe11Si2 and 57Fe-doped LaCo11Si2. The compounds with T = Fe or Co are ferromagnetic, while the compound LaNi11Si2 is a Pauli paramagnet. The critical behaviour around the Curie temperature Tc was studied in La(FexSi1-x)13 by measuring the temperature dependences on the zero-field susceptibility and the electrical resistivity. The critical exponent γ in the expression χ ∝ (T - Tc)-γ was found to be close to 1.38 corresponding to an isotropic Heisenberg ferromagnet. The anomalous critical behaviour shown by electrical resistivity can be explained in terms of lattice softening associated with the Invar effect.",

author = "Palstra, {T. T.M.} and Mydosh, {J. A.} and Nieuwenhuys, {G. J.} and {van der Kraan}, {A. M.} and Buschow, {K. H.J.}",

year = "1983",

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doi = "10.1016/0304-8853(83)90128-2",

language = "English",

volume = "36",

pages = "290--296",

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T1 - Study of the critical behaviour of the magnetization and electrical resistivity in cubic La(Fe, Si)13 compounds

AU - Palstra, T. T.M.

AU - Mydosh, J. A.

AU - Nieuwenhuys, G. J.

AU - van der Kraan, A. M.

AU - Buschow, K. H.J.

PY - 1983/4/2

Y1 - 1983/4/2

N2 - The magnetic properties of the cubic NaZn13 type pseudobinary compounds La(TxSi1-x)13 were studied for T = Fe, Co and Ni in the temperature range 4.2-300 K. 57Fe Mössbauer spectroscopy was performed on LaFe11Si2 and 57Fe-doped LaCo11Si2. The compounds with T = Fe or Co are ferromagnetic, while the compound LaNi11Si2 is a Pauli paramagnet. The critical behaviour around the Curie temperature Tc was studied in La(FexSi1-x)13 by measuring the temperature dependences on the zero-field susceptibility and the electrical resistivity. The critical exponent γ in the expression χ ∝ (T - Tc)-γ was found to be close to 1.38 corresponding to an isotropic Heisenberg ferromagnet. The anomalous critical behaviour shown by electrical resistivity can be explained in terms of lattice softening associated with the Invar effect.

AB - The magnetic properties of the cubic NaZn13 type pseudobinary compounds La(TxSi1-x)13 were studied for T = Fe, Co and Ni in the temperature range 4.2-300 K. 57Fe Mössbauer spectroscopy was performed on LaFe11Si2 and 57Fe-doped LaCo11Si2. The compounds with T = Fe or Co are ferromagnetic, while the compound LaNi11Si2 is a Pauli paramagnet. The critical behaviour around the Curie temperature Tc was studied in La(FexSi1-x)13 by measuring the temperature dependences on the zero-field susceptibility and the electrical resistivity. The critical exponent γ in the expression χ ∝ (T - Tc)-γ was found to be close to 1.38 corresponding to an isotropic Heisenberg ferromagnet. The anomalous critical behaviour shown by electrical resistivity can be explained in terms of lattice softening associated with the Invar effect.

UR - http://www.scopus.com/inward/record.url?scp=0021093138&partnerID=8YFLogxK

U2 - 10.1016/0304-8853(83)90128-2

DO - 10.1016/0304-8853(83)90128-2

M3 - Article

AN - SCOPUS:0021093138

SN - 0304-8853

VL - 36

SP - 290

EP - 296

JO - Journal of magnetism and magnetic materials

JF - Journal of magnetism and magnetic materials

IS - 3

ER -

Study of the critical behaviour of the magnetization and electrical resistivity in cubic La(Fe, Si)₁₃ compounds

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