Low temperature properties of a low carrier heavy fermion YbPtSb

Low temperature properties of a low carrier heavy fermion YbPtSb

We have grown single crystals of a low carrier heavy fermion YbPtSb and studied low temperature properties by means of the electrical resistivity (ρ), dc and ac magnetic susceptibility (χ), and specific heat (C). The clear evidence of the antiferromagnetic order at TN ~ 0.34 K was observed by bulk m...

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Veröffentlicht in:Journal of physics. Conference series 2012-01, Vol.391 (1), p.12040-4
Hauptverfasser: Matsubayashi, K, Yamanaka, R, Suzuki, H S, Munakata, K, Uwatoko, Y
Format: Artikel
Sprache:eng
Schlagworte:
Antiferromagnetism
Carriers
Crystal growth
Electrical resistivity
Extrapolation
Fermi liquids
Fermions
Low temperature
Magnetic permeability
Physics
Single crystals
Temperature
Temperature dependence
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Zusammenfassung:We have grown single crystals of a low carrier heavy fermion YbPtSb and studied low temperature properties by means of the electrical resistivity (ρ), dc and ac magnetic susceptibility (χ), and specific heat (C). The clear evidence of the antiferromagnetic order at TN ~ 0.34 K was observed by bulk measurements. At lower temperatures below TN, extrapolating C/T to T=0 yields γ ~ 9 J/mole K2 and ρ(T) shows T2 temperature dependence with a large A coefficient, as observed in YbPtBi. We will discuss the Fermi liquid state realized in the low carrier systems.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/391/1/012040