Electronic and crystallographic structure of apatites

This work was supported by a CRD grant of the NSERC of Canada and Millenium Biologix Inc. L.C. also acknowledges W.A. Miller Materials and Manufacturing Ontario Ph.D. Graduate Award. A.R. acknowledges support from DGES, Basque University, and EC-RTN program NANOPHASE (Contract No. HPRN-CT-2000-00167) and COMELCAN (Contract No. HPRN-CT-2000-00128).

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