Rare Earth Doped Semiconductors II: Symposium held April 8-10, 1996, San Francisco, Ca., U.S.A. Back to all publications Publication date 1 January 1996 Reference S. Coffa, A. Polman and R.N. Schwartz: Rare Earth Doped Semiconductors II: Symposium held April 8-10, 1996, San Francisco, Ca., U.S.A.Pittsburgh: MRS, 1996. (Materials Research Society Symposium Proceedings;) Group Photonic Materials