P. van Gelderen
University of Twente
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Publication
Featured researches published by P. van Gelderen.
Physical Review Letters | 2001
Hj Tromp; P. van Gelderen; Paul J. Kelly; G Brocks; Pa Peter Bobbert
Ferromagnetism was recently observed at unexpectedly high temperatures in La-doped CaB6. The starting point of all theoretical proposals to explain this observation is a semimetallic electronic structure calculated for CaB6 within the local density approximation. Here we report the results of parameter-free quasiparticle calculations of the single-particle excitation spectrum which show that CaB6 is not a semimetal but a semiconductor with a band gap of 0.8+/-0.1 eV. Magnetism in La(x)Ca1-xB6 occurs just on the metallic side of a Mott transition in the La-induced impurity band.
Physical Review Letters | 2000
P. van Gelderen; Pa Peter Bobbert; Paul J. Kelly; G Brocks
Physical Review B | 2001
P. van Gelderen; Paul J. Kelly; G. Brocks
Physical Review B | 2002
P. van Gelderen; Pa Peter Bobbert; Paul J. Kelly; G Brocks; R Tolboom
Physical Review B | 2003
P. van Gelderen; Paul J. Kelly; G. Brocks
Physical Review B | 2003
P. van Gelderen; Paul J. Kelly; G. Brocks
17th International Colloquium on Magnetic Films and Surfaces, ICMFS 2002 | 2002
Paul J. Kelly; E.J. Tromp; P. van Gelderen; G. Brocks; Pa Peter Bobbert
Archive | 2000
P. van Gelderen; Pa Peter Bobbert; Paul J. Kelly; G. Brocks
Archive | 1999
P. van Gelderen; Pa Peter Bobbert; Paul J. Kelly; G. Brocks
Archive | 1999
P. van Gelderen; Pa Peter Bobbert; Paul J. Kelly; G. Brocks
