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Thermal expansion of CeRhSb under high pressure

  • Author(s): Ishii, T;
  • Oomi, G;
  • Uwatoko, Y;
  • Thompson, JD;
  • Madru, D;
  • Shero, JL;
  • Fisk, Z
  • et al.
Abstract

The linear thermal expansion of polycrystalline CeRhSb has been measured in the temperature range 77 K < T < 300 K under hydrostatic pressure up to 2.3 GPa. It is found that the thermal expansion coefficient α(T) at ambient pressure shows a maximum around Tmax = 140 K and Tmax increases with increasing pressure having rate of ∂Tmax/∂P = + 38.5 K/GPa. This fact shows that the Kondo temperature TK is increased by applying pressure.

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