Cation substitution in β-tricalcium phosphate investigated using multi-nuclear, solid-state NMR
Cation substitution in β-tricalcium phosphate investigated using multi-nuclear, solid-state NMR
复制标题
使用多核固态 NMR 研究 β-磷酸三钙中的阳离子取代
DOI:
10.1016/j.jssc.2013.10.026
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发表时间:
2014
影响因子:
3.3
通讯作者:
D. Holland
中科院分区:
文献类型:
--
作者:
A. T. Grigg;M. Mee;P. Mallinson;S. K. Fong;Z. Gan;R. Dupree;D. Holland
The substitution of aluminium, gallium and sodium cations intoβ-tricalcium phosphate (β-TCP; Ca3(PO4)2) has been investigated, and the Ca sites involved successfully determined, using a combination of 1D31P,27Al,71Ga,23Na and43Ca (natural abundance) NMR and 2D27Al{31P},71Ga{31P} and23Na{31P} rotary-resonance-recoupled heteronuclear multiple-quantum correlation (R3-HMQC) NMR. Over the compositional range studied, substitution of Ca2+by Al3+or Ga3+was observed only on the Ca(5) site, whilst substitution by Na+was confined to the Ca(4) site. Some AlPO4or GaPO4second phase was observed at the highest doping levels in the Al3+and Ga3+substituted samples.
DOI:
--
发表时间:
2003
期刊:
Journal of Solid State Chemistry 175
影响因子:
--
作者:
Yashima;M.
通讯作者:
M.