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Table 1 Summary of metal tungstates phase formation and calculated crystallite sizes

From: Structural and optical characterization of metal tungstates (MWO4; M=Ni, Ba, Bi) synthesized by a sucrose-templated method

System X-ray phase Crystal structure hkl t (nm)
NiWO4 Wolframite Monoclinic 23.89 100 19.3
24.85 110 19.3
30.87 011 17.2
BaWO4 Scheelite Body cubic tetragonal 26.38 112 18.9
27.99 004 17.4
Bi2WO6 Orthorhombic Orthorhombic 28.29 131 15.5
    32.83 002 14.9