Pb3+ radiation defects in Ca9Pb(PO4)6(OH)2 hydroxyapatite nanoparticles studied by high-field (W-band) EPR and ENDOR

B. V. Yavkin; G. V. Mamin; S. B. Orlinskii; M. R. Gafurov; M. Kh. Salakhov; T. B. Biktagirov; Elena S. Klimashina; V. I. Putlayev; Yu. D. Tretyakov; N. I. Silkin

doi:10.1039/C2CP23601J

Pb³⁺ radiation defects in Ca₉Pb(PO₄)₆(OH)₂ hydroxyapatite nanoparticles studied by high-field (W-band) EPR and ENDOR

B. V. Yavkin,^a G. V. Mamin,^a S. B. Orlinskii,^a M. R. Gafurov,*^a M. Kh. Salakhov,^a T. B. Biktagirov,^a Elena S. Klimashina,^b V. I. Putlayev,^b Yu. D. Tretyakov^b and N. I. Silkin^a

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^a Institute of Physics, Kazan (Volga Region) Federal University, Kremlevskaya str. 18, 4200008 Kazan, Russian Federatrion
E-mail: sergei.orlinskii@ksu.ru, marat.gafurov@ksu.ru
Tel: +7 843 2926480

^b Department of Chemistry, M. V. Lomonosov Moscow State University, Lenniskie Gory 1, 119992 Moscow, Russian Federation
E-mail: alenakovaleva@gmail.com, valery.putlayev@gmail.com, yudt@inorg.chem.msu.ru
Fax: +7 495 9390998
Tel: +7 495 9392074

Abstract

W-band pulsed EPR and ENDOR investigations of X-ray irradiated nanoparticles of synthetic hydroxyapatite Ca₉Pb(PO₄)₆(OH)₂ are performed. It is shown that in the investigated species lead ions probably replace the Ca(1) position in the hydroxyapatite structure.

Physical Chemistry Chemical Physics

Pb³⁺ radiation defects in Ca₉Pb(PO₄)₆(OH)₂ hydroxyapatite nanoparticles studied by high-field (W-band) EPR and ENDOR

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Pb³⁺ radiation defects in Ca₉Pb(PO₄)₆(OH)₂ hydroxyapatite nanoparticles studied by high-field (W-band) EPR and ENDOR

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