Magnetic Field Induced Non-Fermi-Liquid Behavior in YbAgGe Single Crystal

Abstract

Detailed anisotropic resistivity and heat capacity measurements down to ~0.4 K and up to 140 kOe are reported for a single crystalline YbAgGe. Based on these data YbAgGe, a member of the hexagonal RAgGe series, can be classified as new, stoichiometric heavy fermion compound with two magnetic ordering temperatures below 1 K and field-induced non-Fermi-liquid behavior above 45-70 kOe and 80-110 kOe for $H || (ab) and H || c respectively.

References in corpus (2)

• The break up of heavy electrons at a quantum critical point
• Deviation from the Kadowaki-Woods relation in Yb-based intermediate-valent systems

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