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Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite. / Ivanova, Tatjana I.; Frank-Kamenetskaya, Olga V.; Kol'tsov, Alexander B.

In: Zeitschrift fur Kristallographie, Vol. 219, No. 8, 29.11.2004, p. 479-486.

Research output: Contribution to journal › Article › peer-review

Harvard

Ivanova, TI, Frank-Kamenetskaya, OV & Kol'tsov, AB 2004, 'Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite', Zeitschrift fur Kristallographie, vol. 219, no. 8, pp. 479-486. https://doi.org/10.1524/zkri.219.8.479.38332

APA

Ivanova, T. I., Frank-Kamenetskaya, O. V., & Kol'tsov, A. B. (2004). Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite. Zeitschrift fur Kristallographie, 219(8), 479-486. https://doi.org/10.1524/zkri.219.8.479.38332

Vancouver

Ivanova TI, Frank-Kamenetskaya OV, Kol'tsov AB. Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite. Zeitschrift fur Kristallographie. 2004 Nov 29;219(8):479-486. https://doi.org/10.1524/zkri.219.8.479.38332

Author

Ivanova, Tatjana I. ; Frank-Kamenetskaya, Olga V. ; Kol'tsov, Alexander B. / Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite. In: Zeitschrift fur Kristallographie. 2004 ; Vol. 219, No. 8. pp. 479-486.

BibTeX

@article{e092ef1d1af0425fa1412f3aa3c2bfb7,
title = "Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite",
abstract = "The well-crystallised polycrystalline sample of the potassium-doped waterless apatite Ca8.40K0.34 · [(PO 4)3.15(HPO4)1.30(CO 3)]1.55(OH)2 (a = 9.4015(3), c = 6.8985(2) {\AA}, sp.gr. P63/m, Z = 1) with very high carbonate content (7.7 wt% of CO2) has been prepared by the reaction of calcite with KH 2PO4 solution under hydrothermal conditions. The Rietveld refinement (Rwp = 0.052) of its crystal structure allowed to find the new orientation of a carbonate triangle. It crosses a PO4 tetrahedron just in its centre so that the positions of a carbon atom coincides with that of a phosphorous atom, and the triangle plane is parallel to the z-axis. The charge disbalance is compensated mainly by the vacancies in the cation sites. The absence of lattice water in the channels is the consequence of the extremely high concentrations of the divalent anions replacing PO 4 tetrahedra in the structure.",
keywords = "Carbonated apatites, Hydrothermal synthesis, Powder structure analysis, Thermal decomposition, X-ray diffraction",
author = "Ivanova, {Tatjana I.} and Frank-Kamenetskaya, {Olga V.} and Kol'tsov, {Alexander B.}",
year = "2004",
month = nov,
day = "29",
doi = "10.1524/zkri.219.8.479.38332",
language = "English",
volume = "219",
pages = "479--486",
journal = "Zeitschfrift fur Kristallographie",
issn = "0044-2968",
publisher = "De Gruyter",
number = "8",

}

RIS

TY - JOUR

T1 - Synthesis, crystal structure and thermal decomposition of potassium-doped carbonated hydroxyapatite

AU - Ivanova, Tatjana I.

AU - Frank-Kamenetskaya, Olga V.

AU - Kol'tsov, Alexander B.

PY - 2004/11/29

Y1 - 2004/11/29

N2 - The well-crystallised polycrystalline sample of the potassium-doped waterless apatite Ca8.40K0.34 · [(PO 4)3.15(HPO4)1.30(CO 3)]1.55(OH)2 (a = 9.4015(3), c = 6.8985(2) Å, sp.gr. P63/m, Z = 1) with very high carbonate content (7.7 wt% of CO2) has been prepared by the reaction of calcite with KH 2PO4 solution under hydrothermal conditions. The Rietveld refinement (Rwp = 0.052) of its crystal structure allowed to find the new orientation of a carbonate triangle. It crosses a PO4 tetrahedron just in its centre so that the positions of a carbon atom coincides with that of a phosphorous atom, and the triangle plane is parallel to the z-axis. The charge disbalance is compensated mainly by the vacancies in the cation sites. The absence of lattice water in the channels is the consequence of the extremely high concentrations of the divalent anions replacing PO 4 tetrahedra in the structure.

AB - The well-crystallised polycrystalline sample of the potassium-doped waterless apatite Ca8.40K0.34 · [(PO 4)3.15(HPO4)1.30(CO 3)]1.55(OH)2 (a = 9.4015(3), c = 6.8985(2) Å, sp.gr. P63/m, Z = 1) with very high carbonate content (7.7 wt% of CO2) has been prepared by the reaction of calcite with KH 2PO4 solution under hydrothermal conditions. The Rietveld refinement (Rwp = 0.052) of its crystal structure allowed to find the new orientation of a carbonate triangle. It crosses a PO4 tetrahedron just in its centre so that the positions of a carbon atom coincides with that of a phosphorous atom, and the triangle plane is parallel to the z-axis. The charge disbalance is compensated mainly by the vacancies in the cation sites. The absence of lattice water in the channels is the consequence of the extremely high concentrations of the divalent anions replacing PO 4 tetrahedra in the structure.

KW - Carbonated apatites

KW - Hydrothermal synthesis

KW - Powder structure analysis

KW - Thermal decomposition

KW - X-ray diffraction

UR - http://www.scopus.com/inward/record.url?scp=8744235199&partnerID=8YFLogxK

U2 - 10.1524/zkri.219.8.479.38332

DO - 10.1524/zkri.219.8.479.38332

M3 - Article

AN - SCOPUS:8744235199

VL - 219

SP - 479

EP - 486

JO - Zeitschfrift fur Kristallographie

JF - Zeitschfrift fur Kristallographie

SN - 0044-2968

IS - 8

ER -

ID: 43673540