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Issue 10, 2013
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YGa1−xMnxO3: A novel purple inorganic pigment

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A purple inorganic pigment, YGa1−xMnxO3 (0 < x ≤ 0.10), based on hexagonal YGaO3 is reported here. The metastable series of oxides were prepared by a sol–gel technique where the dried gels, obtained from aqueous solutions of metal nitratecitric acid mixtures, were calcined for a short duration in a preheated furnace around 850 °C. The purple colour of the oxides arises from the specific trigonal bipyramidal ligand field around MnIII in a YGaO3 host. Other hexagonal RGaO3 hosts for R = Lu, Tm and Ho substituted with MnIII also produce similar purple coloured materials.

Graphical abstract: YGa1−xMnxO3: A novel purple inorganic pigment

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Article information

04 Oct 2012
25 Dec 2012
First published
04 Jan 2013

RSC Adv., 2013,3, 3199-3202
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YGa1−xMnxO3: A novel purple inorganic pigment

S. Tamilarasan, D. Sarma, M. L. P. Reddy, S. Natarajan and J. Gopalakrishnan, RSC Adv., 2013, 3, 3199
DOI: 10.1039/C2RA22400C

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