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Copper-and   cerium-substituted   and   copper-cerium   co-substituted   hydroxyapatites   nanopowders   were synthesized  throughaqueous  precipitation  method.  Obtained  materials  were  studied  by  application  of  XRD, infrared spectroscopy, BET absorption and dilatometry. It was found that copper and cerium make the HA stable to temperature 1300 ⁰С, change the parameters of crystal structure, and reduce a sintering process.