Geodesic
Effect of nonstoichiometry and amount of additives on the structure of HAp-TiO$_y$ mixtures produced by high-energy fragmentation
Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 4, pp. 549-557.

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The nanoparticle sizes in hydroxyapatite (HAp), titanium monoxide (TiO$_y$) and HAp-TiO$_y$ mixtures ($y = 0.92$; $1.23$) have been studied by XRD and HRTEM techniques as a function of milling time. It was established that the high-energy milling does not lead to a considerable decrease in the particle size and to a variation in the HAp crystal lattice parameters, but it promotes $4$-fold reduction of microstrains. It was shown that the dependence of the average size of crystal and structural parameters on the milling time for the HAp-TiO$_y$ mixtures is similar to that of initial HAp. The coherent scattering region of HAp does not depend on stoichiometry and TiO$_y$ content in the mixture andis $\sim15 \pm 5$ nm after milling for $480$ min.
Keywords: titanium monoxide, milling, mixtures, crystal structure
Mots-clés : hydroxyapatite, microstructure, phase composition. 
@article{NANO_2018_9_4_a15,
     author = {S. V. Rempel and K. A. Sergeeva and H. Schroettner and A. A. Valeeva},
     title = {Effect of nonstoichiometry and amount of additives on the structure of {HAp-TiO}$_y$ mixtures produced by high-energy fragmentation},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {549--557},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2018_9_4_a15/}
}
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S. V. Rempel; K. A. Sergeeva; H. Schroettner; A. A. Valeeva. Effect of nonstoichiometry and amount of additives on the structure of HAp-TiO$_y$ mixtures produced by high-energy fragmentation. Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 4, pp. 549-557. http://geodesic.mathdoc.fr/item/NANO_2018_9_4_a15/