| abstract |
An object of the present invention is to provide a phosphor having excellent emission intensity. SOLUTION : Formula MxMgaAlyOzNw ( 1 ) [In formula (1), M is manganese, strontium, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, thulium and represents at least one metal element selected from the group consisting of ytterbium, and when x + a + y + z + w = 1, x is 0.00001 ≤ x ≤ 0.2, a is 0 ≤ a ≤ 0.4, and y is 0.01≦y≦0.9, z is 0.1≦z≦0.98, and w is 0<w≦0.5. ] and the half width of the XRD peak at 2θ=36.8±0.5° is greater than 0.093 and less than 0.134. [Selection figure] None |