Na3WO4F and derivatives thereof as a scintillation material and their methods of making

A direct synthesis method, comprising:

• reacting Na2(WO4)·2H2O with NaF and Na2[MO4]·H2O in an inert atmosphere at a reaction temperature of about 950° C. to about 1400° C. according to the reaction:
• (1−x)Na2[WO4]·2H2O+xNa2[MO4]·H2O+NaF→Na3W1−xMxO4F
• where
• 0≦x≦0.2;
• and
• M is B, Al, Si, P, S, Cr, V, Nb, Ta, Zr, Hf, Sc, Y, La, Ga, Ge, In, Mo, or combinations thereof.

A composition of matter having the formula:

• Na+3−a−2b−3cA+aB2+bC3+cW1−xMxO4F
• where
• 0≦a≦2;
• A+ is an alkali metal ion;
• 0≦b≦1;
• B2+ is an alkaline earth metal ion selected from Be2+, Mg2+, Ca2+, Sr2+, and/or Ba2+, a rare earth divalent cation from the atomic numbers 57-71, an activator divalent cation of Cr, Mn, Re, Cu, Ag, Au, Zn, Cd, Hg, Sn, or any combinations thereof;
• 0≦c≦1;
• C3+ is a rare earth trivalent cation from the atomic numbers 57-71, an activator trivalent cation of Ac, U, Cr, Mn, As, Sb, Bi, In, Tl, or any combinations thereof;
• 0<x≦0.2;
• and
• M is B, Al, Si, P, S, Cr, V, Nb, Ta Zr, Hf, Sc, Y, La, Ga, Ge, In, Mo, or combinations thereof.

A composition having the formula:

• Na+3−a−2b−3cA+aB2+bC3+cW1−xMxO4F
• where
• a is 0;
• A+ is an alkali metal on;
• b is 0;
• B2+ is an alkaline earth metal ion selected from Be2+, Mg2+, Ca2+, Sr2+, and/or Ba2+, a rare earth divalent cation from the atomic numbers 57-71, an activator divalent cation of Cr, Mn, Re, Cu, Ag, Au, Zn, Cd, Hg, Sn, or any combinations thereof;
• 0<c≦0.1;
• C is Ce, Eu, or a combination thereof;
• 0≦x<0.2;
• and
• M is B, Al, Si, P, S, Cr, V, Nb, Ta, Zr, Hf, Sc, Y, La, Ga, Ge, In, Mo, or combinations thereof.