Simultaneous occurrence of an antiferroquadrupolar and a ferromagnetic transitions in rare-earth palladium bronze CePd3S4

Eiichi Matsuoka; Daichi Usui; Yuta Sasaki; Hironori Nakao; Hiroshi Shida; Kenji Ohoyama; Hideya Onodera

doi:10.1143/JPSJ.77.114706

Simultaneous occurrence of an antiferroquadrupolar and a ferromagnetic transitions in rare-earth palladium bronze CePd₃S₄

Eiichi Matsuoka, Daichi Usui, Yuta Sasaki, Hironori Nakao, Hiroshi Shida, Kenji Ohoyama, Hideya Onodera

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Neutron powder diffraction experiments have been performed on CePd ₃S₄ as well as measurements of magnetic and transport properties on a single-crystalline sample. Magnetic susceptibility increases markedly below T_C = 6.3 K and a spontaneous magnetization appears below T_C. The logarithmic temperature dependence of electrical resistivity implies that CePd₃S₄ is classified into a Kondolattice compound whose Kondo temperature is comparable to T_C. Magnetic susceptibility is analyzed satisfactorily with a crystalline electric field model that the 4f ground state of Ce³⁺ is the Γ₈ quartet with the excited Γ₇ doublet located at 630 K. The magnetic structure of CePd₃S₄ was determined to be a canted structure with a canting angle of 51°. Such a canted structure is a result of the ferromagnetic (FM) ordering and simultaneous [100]-type antiferroquadrupolar (AFQ) ordering at T_C. The smaller magnetization values and an unexpectedly high T_C can be explained by the simultaneous occurrence of AFQ and FM order.

Original language	English
Article number	114706
Journal	journal of the physical society of japan
Volume	77
Issue number	11
DOIs	https://doi.org/10.1143/JPSJ.77.114706
Publication status	Published - 2008 Nov

Keywords

Antiferroquadrupolar ordering
CePdS
Electrical resistivity
Ferromagnetic ordering
Magnetic susceptibility
Magnetization
Neutron powder diffraction
Specific heat

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.77.114706

Cite this

Simultaneous occurrence of an antiferroquadrupolar and a ferromagnetic transitions in rare-earth palladium bronze CePd₃S₄. / Matsuoka, Eiichi; Usui, Daichi; Sasaki, Yuta; Nakao, Hironori; Shida, Hiroshi; Ohoyama, Kenji; Onodera, Hideya.

In: journal of the physical society of japan, Vol. 77, No. 11, 114706, 11.2008.

Research output: Contribution to journal › Article › peer-review

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abstract = "Neutron powder diffraction experiments have been performed on CePd 3S4 as well as measurements of magnetic and transport properties on a single-crystalline sample. Magnetic susceptibility increases markedly below TC = 6.3 K and a spontaneous magnetization appears below TC. The logarithmic temperature dependence of electrical resistivity implies that CePd3S4 is classified into a Kondolattice compound whose Kondo temperature is comparable to TC. Magnetic susceptibility is analyzed satisfactorily with a crystalline electric field model that the 4f ground state of Ce3+ is the Γ8 quartet with the excited Γ7 doublet located at 630 K. The magnetic structure of CePd3S4 was determined to be a canted structure with a canting angle of 51°. Such a canted structure is a result of the ferromagnetic (FM) ordering and simultaneous [100]-type antiferroquadrupolar (AFQ) ordering at TC. The smaller magnetization values and an unexpectedly high TC can be explained by the simultaneous occurrence of AFQ and FM order.",

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AU - Matsuoka, Eiichi

AU - Usui, Daichi

AU - Sasaki, Yuta

AU - Nakao, Hironori

AU - Shida, Hiroshi

AU - Ohoyama, Kenji

AU - Onodera, Hideya

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N2 - Neutron powder diffraction experiments have been performed on CePd 3S4 as well as measurements of magnetic and transport properties on a single-crystalline sample. Magnetic susceptibility increases markedly below TC = 6.3 K and a spontaneous magnetization appears below TC. The logarithmic temperature dependence of electrical resistivity implies that CePd3S4 is classified into a Kondolattice compound whose Kondo temperature is comparable to TC. Magnetic susceptibility is analyzed satisfactorily with a crystalline electric field model that the 4f ground state of Ce3+ is the Γ8 quartet with the excited Γ7 doublet located at 630 K. The magnetic structure of CePd3S4 was determined to be a canted structure with a canting angle of 51°. Such a canted structure is a result of the ferromagnetic (FM) ordering and simultaneous [100]-type antiferroquadrupolar (AFQ) ordering at TC. The smaller magnetization values and an unexpectedly high TC can be explained by the simultaneous occurrence of AFQ and FM order.

AB - Neutron powder diffraction experiments have been performed on CePd 3S4 as well as measurements of magnetic and transport properties on a single-crystalline sample. Magnetic susceptibility increases markedly below TC = 6.3 K and a spontaneous magnetization appears below TC. The logarithmic temperature dependence of electrical resistivity implies that CePd3S4 is classified into a Kondolattice compound whose Kondo temperature is comparable to TC. Magnetic susceptibility is analyzed satisfactorily with a crystalline electric field model that the 4f ground state of Ce3+ is the Γ8 quartet with the excited Γ7 doublet located at 630 K. The magnetic structure of CePd3S4 was determined to be a canted structure with a canting angle of 51°. Such a canted structure is a result of the ferromagnetic (FM) ordering and simultaneous [100]-type antiferroquadrupolar (AFQ) ordering at TC. The smaller magnetization values and an unexpectedly high TC can be explained by the simultaneous occurrence of AFQ and FM order.

KW - Antiferroquadrupolar ordering

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