EPR/ENDOR of hydroxyapatite nanocrystals doped by lead ions

Авторы: Gubaidullin A.T., Kovaleva E.S., Mamin G.V., Orlinskii S.B., Putlaev V.I., Rodionov A.A., Silkin N.I., Tretyakov Yu D., Yavkin B.V., Salakhov M.Kh
Сборник: Proceedings of the XIII International Youth Scientific School “Actual problems of magnetic resonance and its application”, 4 – 8 October 2010,Kazan
Тезисы
Год издания: 2010
Место издания: Kazan Kazan
Первая страница: 154
Последняя страница: 156
Аннотация: Hydroxyapatite — Ca10(PO4)6(OH)2 — is one of the intensively studying materials in contemporary inorganic materials science. The interest in a hydroxyapatite researches is dictated not only by the number of its applications, e.g. bone tissue repairing, radionuclide sorption, but also by its complex structure that allows a lot of anionic and cationic substitutions. The important feature of the hydroxyapatite structure is the presence of the two nonequivalent calcium positions called Ca-1 and Ca-2. The distances between Ca-1 and the nearest phosphorous is 3.2Å and is 5.4Å for distance between Ca-1 and hydrogen; for Ca-2 these distances are 3.0Å and 2.8Å respectively. In this work authors studied hydroxyapatite doped by lead ions – Ca10-xPbx(PO4)6(OH)2 (PbHAP) and determined characteristics of Pb3+ paramagnetic centers and their localization within crystal.
Добавил в систему: Климашина Елена Сергеевна

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