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Abstract:
Pressure-type point contacts between the antiferromagnetically ordering
CeCu 2Ge 2 (T N=4.2 K) and simple metals have been investigated. We
found a reduced Neel temperature (<3.5 K) at the contact. A number of
contacts showed superconducting anomalies (excess current) below 0.7 K
and with critical magnetic fields around 2 T. Both, the reduced T N and
the appearance of superconducting anomalies result from the high
pressure at the contact.
