Ba-3(P1-xMnxO4)(2): Blue/green inorganic materials based on tetrahedral Mn(V)

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Title:	Ba-3(P1-xMnxO4)(2): Blue/green inorganic materials based on tetrahedral Mn(V)
Authors:	Laha, S Sharma, R Bhat, S V Reddy, M L P Gopalakrishnan, J Natarajan, S
Keywords:	Ligand field tuning of colour Blue/green chromophore Tetrahedral manganate(V) Barium phosphate/manganate(V) Blue/green inorganic material
Issue Date:	2011
Publisher:	Springer
Citation:	Bulletin of Materials Science 34(6):1257-1262;Oct 2011
Abstract:	We describe a blue/green inorganic material, Ba-3(P1-x-MnxO4)(2) (I) based on tetrahedral MnO43-:3d(2) chromophore. The solid solutions (I) which are sky-blue and turquoise-blue for x <= 0.25 and dark green for x >= 0-50, are readily synthesized in air from commonly available starting materials, stabilizing the MnO43- chromophore in an isostructural phosphate host. We suggest that the covalency/ionicity of P-O/Mn-O bonds in the solid solutions tunes the crystal field strength around Mn(V) such that a blue colour results for materials with small values of x. The material could serve as a nontoxic blue/green inorganic pigment.
URI:	http://ir.niist.res.in:8080/jspui/handle/123456789/1097
ISSN:	0250-4707
Appears in Collections:	2011

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