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Theoretical investigations of the paramagnetic compounds CeNi, CeNi(2) and CeNi(5) have been performed by means of electronic-structure calculations. It is shown that an itinerant picture of the 4f states of cerium can explain the enhanced susceptibilities of CeNi and CeNi(2). The experimental observations that the induced magnetisation in a magnetic field is well localised on the nickel atoms in CeNi(5) and well localised on the cerium atoms in CeNi and CeNi(2) can be easily understood from the calculated results. An overall good agreement with experiments is achieved for the magnetic properties for all three compounds. From a comparison with specific-heat measurements, a large mass enhancement due to heavy quasiparticles has to be inferred for both CeNi(2) and CeNi.

Additional information

Authors: NORDSTRÖM L, University of Uppsala, Department of Physics (SE);JOHANSSON B, University of Uppsala, Department of Physics (SE);BROOKS M S S, JRC Karlsruhe (DE);NORDSTROM L, University of Uppsala, Department of Physics (SE)
Bibliographic Reference: Article: Physical Review B, Vol. 46 (1992) No. 6, pp. 3458-3463
Record Number: 199211325 / Last updated on: 1994-11-29
Original language: en
Available languages: en