Magnetic properties of YbTGe (T = Rh, Cu, Ag)

K. Katoh; Y. Mano; K. Nakano; G. Terui; Y. Niide; A. Ochiai

doi:10.1016/S0304-8853(03)00501-8

Magnetic properties of YbTGe (T = Rh, Cu, Ag)

K. Katoh, Y. Mano, K. Nakano, G. Terui, Y. Niide, A. Ochiai

SCI - Physics

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

25 Citations (Scopus)

Abstract

The magnetic properties of ternary equiatomic YbTGe (T=Rh, Cu, Ag) compounds have been investigated. YbRhGe is a new antiferromagnet with T _N=7K which crystallizes in the orthorhombic TiNiSi-type structure. In YbCuGe, with the hexagonal LiGaGe-type structure, ferromagnetic ordering with a magnetic moment of 0.7μ_B/Yb occurs below 8K. On the other hand, in YbAgGe with the hexagonal ZrNiAl-type structure, the magnetic susceptibilities along the a- and c-axis follow the Curie-Weiss law with trivalent Yb at high temperatures. No feature of some kind of phase transition is found above 1.2K. The electrical resistivity along the a- and c-axis shows metallic behavior. The ratio of the specific heat to temperature increases remarkably below 10K and shows a large value of 570mJ/molK² at 1.6K which indicates a heavy-fermion nature of YbAgGe.

Original language	English
Pages (from-to)	212-218
Number of pages	7
Journal	Journal of Magnetism and Magnetic Materials
Volume	268
Issue number	1-2
DOIs	https://doi.org/10.1016/S0304-8853(03)00501-8
Publication status	Published - 2004 Jan

Keywords

Heavy fermion
Magnetic properties
Yb-based ternary germanide

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/S0304-8853(03)00501-8

Cite this

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title = "Magnetic properties of YbTGe (T = Rh, Cu, Ag)",

abstract = "The magnetic properties of ternary equiatomic YbTGe (T=Rh, Cu, Ag) compounds have been investigated. YbRhGe is a new antiferromagnet with T N=7K which crystallizes in the orthorhombic TiNiSi-type structure. In YbCuGe, with the hexagonal LiGaGe-type structure, ferromagnetic ordering with a magnetic moment of 0.7μB/Yb occurs below 8K. On the other hand, in YbAgGe with the hexagonal ZrNiAl-type structure, the magnetic susceptibilities along the a- and c-axis follow the Curie-Weiss law with trivalent Yb at high temperatures. No feature of some kind of phase transition is found above 1.2K. The electrical resistivity along the a- and c-axis shows metallic behavior. The ratio of the specific heat to temperature increases remarkably below 10K and shows a large value of 570mJ/molK2 at 1.6K which indicates a heavy-fermion nature of YbAgGe.",

keywords = "Heavy fermion, Magnetic properties, Yb-based ternary germanide",

author = "K. Katoh and Y. Mano and K. Nakano and G. Terui and Y. Niide and A. Ochiai",

year = "2004",

month = jan,

doi = "10.1016/S0304-8853(03)00501-8",

language = "English",

volume = "268",

pages = "212--218",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

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TY - JOUR

T1 - Magnetic properties of YbTGe (T = Rh, Cu, Ag)

AU - Katoh, K.

AU - Mano, Y.

AU - Nakano, K.

AU - Terui, G.

AU - Niide, Y.

AU - Ochiai, A.

PY - 2004/1

Y1 - 2004/1

N2 - The magnetic properties of ternary equiatomic YbTGe (T=Rh, Cu, Ag) compounds have been investigated. YbRhGe is a new antiferromagnet with T N=7K which crystallizes in the orthorhombic TiNiSi-type structure. In YbCuGe, with the hexagonal LiGaGe-type structure, ferromagnetic ordering with a magnetic moment of 0.7μB/Yb occurs below 8K. On the other hand, in YbAgGe with the hexagonal ZrNiAl-type structure, the magnetic susceptibilities along the a- and c-axis follow the Curie-Weiss law with trivalent Yb at high temperatures. No feature of some kind of phase transition is found above 1.2K. The electrical resistivity along the a- and c-axis shows metallic behavior. The ratio of the specific heat to temperature increases remarkably below 10K and shows a large value of 570mJ/molK2 at 1.6K which indicates a heavy-fermion nature of YbAgGe.

AB - The magnetic properties of ternary equiatomic YbTGe (T=Rh, Cu, Ag) compounds have been investigated. YbRhGe is a new antiferromagnet with T N=7K which crystallizes in the orthorhombic TiNiSi-type structure. In YbCuGe, with the hexagonal LiGaGe-type structure, ferromagnetic ordering with a magnetic moment of 0.7μB/Yb occurs below 8K. On the other hand, in YbAgGe with the hexagonal ZrNiAl-type structure, the magnetic susceptibilities along the a- and c-axis follow the Curie-Weiss law with trivalent Yb at high temperatures. No feature of some kind of phase transition is found above 1.2K. The electrical resistivity along the a- and c-axis shows metallic behavior. The ratio of the specific heat to temperature increases remarkably below 10K and shows a large value of 570mJ/molK2 at 1.6K which indicates a heavy-fermion nature of YbAgGe.

KW - Heavy fermion

KW - Magnetic properties

KW - Yb-based ternary germanide

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IS - 1-2

ER -

Magnetic properties of YbTGe (T = Rh, Cu, Ag)

Abstract

Keywords

ASJC Scopus subject areas

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