| abstract |
Provided is an oxynitride powder mainly composed of fine? Sialon powder without coloring by impurity incorporation suitable for phosphor application.n n n Elements of M, Si, Al, O (where M is Li, Mg, Ca, Sr, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, The oxynitride powder is heated by subjecting the precursor compound containing at least one selected from Lu) to at least one of a mixture thereof, by reducing the oxygen content in the precursor and increasing the nitrogen content. Manufacture. (Fig. 3) |