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Solid-State Synthesis, X-ray Powder Investigation and IR Study of α-Mg3[BPO7] by G. Gözel; A. Baykal; M. Kizilyalli; R. Kniep is a Materials Science article available to read on EtoBox.

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a-Mg 3 [BPO 7 ] (low temperature form) which is isostructural with Zn 3 [BPO 7 ] has been synthesized by the solid-state reactions of MgHPO 4 .H 2 O with MgCO 3 and H 3 BO 3 at 1200 C, Mg 3 B 2 O 6 with MgCO 3 and (NH 4 ) 2 HPO 4 at 1100 C, and MgO with B 2 O 3 and P 2 O 5 at 1100 with the molar ratios of 1:2:1, 1:3:2 and 6:1:1, respectively. The structure of a-Mg 3 [BPO 7 ] was found to be orthorhombic (as already reported), with re®ned unit cell parameters of a=8 . 495(3), b=4 . 886(1) and c=12 . 565(4) A Ê ; the space group is Immm with Z=4. The indexed Xray powder diraction data and the IR spectrum of a-Mg 3 [BPO 7 ] are also given. The latter reveals trigonal planar coordination of boron.

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Author

G. Gözel; A. Baykal; M. Kizilyalli; R. Kniep

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0955-2219)

Published

1998

Language

EN

Field

Materials Science (Physical Sciences)