Two-dimension photonic crystals based on macroporous silicon
Müller, F., Birner, A., Gösele, U. and Lehmann, V.
Proceedings of the 6th National Meeting on Light Emitting Silicon pp 5 p (Eds.) Di Francia, G., Maddalena, P. and Ninno, D., Instituto Nazionale de Fisica della Materia, Naples, Italy (1999)