| abstract |
Provided by a red-emitting phosphor having high luminous efficiency, a light-emitting device, and a method for producing a phosphor.nA red luminescent phosphor, the basic composition of which is represented by the formula: Ka(Si1-x, Mnx)Fb, characterized in that, in the case of measuring the Raman spectrum of the phosphor, it appears at 650 with respect to the attribution Raman shift. The intensity of the peak of the Si-F bond in the crystal of the range of ±10 cm-1 is the ratio of the intensity of the peak of the Mn-F bond in the crystal having a Raman shift in the range of 600±10 cm-1, which is 0.09 or more. 0.22 or less. This phosphor is produced by bringing a reaction solution having a molar ratio of 87 or more and 127 or less with respect to hydrogen fluoride of potassium permanganate in contact with a ruthenium source. |