New open-framework, nonlinear optical materials. Crystal structure of sodium hydronium niobium oxide phosphate (Na1/2(H3O)1/2Nb2PO8) and physical properties of the solid solution potassium lithium niobium tantalum oxide phosphate (K2/3Li1/3Nb2-xTaxPO8)
2019 ◽
Vol 21
(9)
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pp. 5142-5147
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2017 ◽
Vol 26
(01)
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pp. 1750003
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2018 ◽
Vol 18
(9)
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pp. 5069-5079
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