Pressure Studies on the Magnetic Phase Transition of the Heavy Fermion Compound Ce(Cu<sub>1-x</sub>Ni<sub>x</sub>)<sub>2</sub>Ge<sub>2</sub>
- Sparn, G.
- Beyermann, W.
- Canfield, P.
- Fisk, Z.
- Thompson, J.
- Steglich, F.
DOIAbstract
Hydrostatic pressure experiments on single crystals of the magnetically ordered heavy fermion compound CeCu2Ge2 for P > 0.1 GPa revealed a pressure dependence of the magnetic ordering temperature (dT(N)/dP=-0.1 K/GPa), which can be brought into quantitative agreement with theoretical calculations. The results are suitable to explain a difference observed between the magnetic phase diagram of Ce(Cu1-xNix)2Ge2 and the calculated dependence of T(N) on the local exchange coupling constant g
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