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US 8,475,681 B2Granted
Neutron scintillating materials
AssigneeUniversity of South Carolina
InventorThomas Vogt
Life of this patent
Estimating the term…
Abstract
Neutron scintillating materials are provided, including boron substitution scintillation materials, boron and Li substitution scintillation materials, and Gd-based substitution scintillation materials.
Claims18
A neutron scintillating material having to the formula:
- [A3-3a/2Ra]1-α-2δ-2w/3(M1-xBx)O4-α-w′F1-δ-w″Nw
- where A is Sr alone or Sr mixed with Ba and/or Ca such that A is made up of at least ⅔ mole % of Sr and ⅓ mole % or less of Ba and/or Ca;
- R is La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, U, Cr, Mn, Tc, Re, Cu, Ag, Au, Zn, Cd, Hg, As, Sb, Bi, Ge, Sn, Pb, In, TI, or combinations thereof;
- M is B, Al, Ga, In, W, Mo, or mixtures thereof;
- 0<a<0.3;
- α is up to about 0.2;
- δ is about 0.01 to about 0.15;
- x is about 0.01 to about 0.6, and 0≦w≦0.05 such that 0≦w′≦0.1 and 0≦w″≦0.15.
5 more elements
A neutron scintillating material having the formula:
- Sr3-2yRay′6Liy″(M1-xBx)O4-δ1-wF1-δ2-wNw
- where 0<y≦1 such that 0<y′≦1 and 0<y″≦1, M is Al, Ga, In, B, W, Mo, or mixtures thereof;
- x is about 0.01 to about 0.6, δ is about 0.01 to about 0.15, and 0≦w≦0.05 such that 0≦w′≦0.1 and 0≦w″≦0.15.
A neutron scintillating material having the formula:
- [Sr3-2y(Ra1-yGdy)6Liz]1-α-2δ-2w/3(M1-xBx)O4-α-w′F1-δ-w″(Nw
- where 0<y≦1, 0<z≦1, M is Al, Ga, In, B, W, Mo, or mixtures thereof;
- x is about 0.01 to about 0.6, δ is about 0.01 to about 0.15, and 0≦w≦0.05 such that 0≦w′≦0.1 and 0≦w″≦0.15.
Dependencies are inferred from the claim text.