Radiographic image conversion panel, method for manufacturing the same, method for forming phosphor particle, method for forming photostimulable phosphor precursor, phosphor precursor and photostimulable phosphor

A radiographic image conversion panel comprising:

• a support;
• and
• at least one photostimulable phosphor layer provided on the support,
• wherein at least one layer of the photostimulable phosphor layers contains a photostimulable phosphor using an alkali halide represented by a following general formula (1) as a ground material, and
• the photostimulable phosphor layer is formed so as to have a thickness from 50 μm to 20 mm by a vapor phase growth method, and a mean crystal size in the photostimulable phosphor of the photostimulable phosphor layer is from 90 to 1000 nm, and
• the general formula (1) is expressed by
• M1X·aM2X′2·bM3X″3:eA (1)
• wherein the M1 is at least one kind of alkali metal selected from a group consisting of Li, Na, K, Rb and Cs, the M2 is at least one kind of bivalent metal atom selected from a group consisting of Be, Mg, Ca, Sr, Ba, Zn, Cd, Cu and Ni, the M3 is at least one kind of trivalent metal atom selected from a group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Al, Ga and In, each of the X, the X′ and the X″ is at least one kind of halogen selected from a group consisting of F, Cl, Br and I, the A is at least one kind of metal atom selected from a group consisting of Eu, Tb, In, Ce, Tm, Dy, Pr, Ho, Nd, Yb, Er, Gd, Lu, Sm, Y, Ti, Na, Ag, Cu and Mg and each of the a, the b and the e represents a numeric value in a range of 0≦a<0.5, 0≦b<0.5 and 0<e≦0.2.