TY - JOUR T1 - Temperature dependence of the optical absorption edge of pyrite FeS 2 thin films JF - Journal of Physics: Condensed Matter Y1 - 1994 A1 - Heras, C de las A1 - Ferrer, I J A1 - Sanchez, C VL - 6 UR - http://stacks.iop.org/0953-8984/6/i=46/a=033?key=crossref.61b976ff921e0c9e9564b77a55dabd35 CP - 46 J1 - J. Phys.: Condens. Matter KW - heras1994 ER -