Magnetic and electronic properties of NpPdSn

K. Shrestha; D. Antonio; J. C. Griveau; K. Prokeš; P. Gaczyński; E. Colineau; R. Caciuffo; K. Gofryk

doi:10.1103/PhysRevMaterials.2.074401

Magnetic and electronic properties of NpPdSn

K. Shrestha, D. Antonio, J. C. Griveau, K. Prokeš, P. Gaczyński, E. Colineau, R. Caciuffo, K. Gofryk

Nuclear Science & Technology

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Abstract

We have studied NpPdSn by means of the heat capacity, electrical resistivity, Seebeck and Hall effect, Np237 Mössbauer spectroscopy, and neutron diffraction measurements in the temperature range 2-300 K and under magnetic fields up to 14 T. NpPdSn orders antiferromagnetically below the Néel temperature TN=19K and shows localized magnetism of Np3+ ion with a doubly degenerate ground state. In the magnetic state the electrical resistivity and heat capacity are characterized by electron-magnon scattering with spin-waves spectrum typical of anisotropic antiferromagnets. An enhanced Sommerfeld coefficient and typical behavior of magnetorestistivity, Seebeck and Hall coefficients are all characteristic of systems with strong electronic correlations. The low temperature antiferromagnetic state of NpPdSn is verified by neutron diffraction and Np237 Mössbauer spectroscopy and possible magnetic structures are discussed.

Original language	English
Article number	074401
Journal	Physical Review Materials
Volume	2
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevMaterials.2.074401
State	Published - Jul 5 2018

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10.1103/PhysRevMaterials.2.074401

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title = "Magnetic and electronic properties of NpPdSn",

abstract = "We have studied NpPdSn by means of the heat capacity, electrical resistivity, Seebeck and Hall effect, Np237 M{\"o}ssbauer spectroscopy, and neutron diffraction measurements in the temperature range 2-300 K and under magnetic fields up to 14 T. NpPdSn orders antiferromagnetically below the N{\'e}el temperature TN=19K and shows localized magnetism of Np3+ ion with a doubly degenerate ground state. In the magnetic state the electrical resistivity and heat capacity are characterized by electron-magnon scattering with spin-waves spectrum typical of anisotropic antiferromagnets. An enhanced Sommerfeld coefficient and typical behavior of magnetorestistivity, Seebeck and Hall coefficients are all characteristic of systems with strong electronic correlations. The low temperature antiferromagnetic state of NpPdSn is verified by neutron diffraction and Np237 M{\"o}ssbauer spectroscopy and possible magnetic structures are discussed.",

author = "K. Shrestha and D. Antonio and Griveau, {J. C.} and K. Proke{\v s} and P. Gaczy{\'n}ski and E. Colineau and R. Caciuffo and K. Gofryk",

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AU - Shrestha, K.

AU - Antonio, D.

AU - Griveau, J. C.

AU - Prokeš, K.

AU - Gaczyński, P.

AU - Colineau, E.

AU - Caciuffo, R.

AU - Gofryk, K.

PY - 2018/7/5

Y1 - 2018/7/5

N2 - We have studied NpPdSn by means of the heat capacity, electrical resistivity, Seebeck and Hall effect, Np237 Mössbauer spectroscopy, and neutron diffraction measurements in the temperature range 2-300 K and under magnetic fields up to 14 T. NpPdSn orders antiferromagnetically below the Néel temperature TN=19K and shows localized magnetism of Np3+ ion with a doubly degenerate ground state. In the magnetic state the electrical resistivity and heat capacity are characterized by electron-magnon scattering with spin-waves spectrum typical of anisotropic antiferromagnets. An enhanced Sommerfeld coefficient and typical behavior of magnetorestistivity, Seebeck and Hall coefficients are all characteristic of systems with strong electronic correlations. The low temperature antiferromagnetic state of NpPdSn is verified by neutron diffraction and Np237 Mössbauer spectroscopy and possible magnetic structures are discussed.

AB - We have studied NpPdSn by means of the heat capacity, electrical resistivity, Seebeck and Hall effect, Np237 Mössbauer spectroscopy, and neutron diffraction measurements in the temperature range 2-300 K and under magnetic fields up to 14 T. NpPdSn orders antiferromagnetically below the Néel temperature TN=19K and shows localized magnetism of Np3+ ion with a doubly degenerate ground state. In the magnetic state the electrical resistivity and heat capacity are characterized by electron-magnon scattering with spin-waves spectrum typical of anisotropic antiferromagnets. An enhanced Sommerfeld coefficient and typical behavior of magnetorestistivity, Seebeck and Hall coefficients are all characteristic of systems with strong electronic correlations. The low temperature antiferromagnetic state of NpPdSn is verified by neutron diffraction and Np237 Mössbauer spectroscopy and possible magnetic structures are discussed.

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Magnetic and electronic properties of NpPdSn

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