@article{759046, author = {Vijay D'Costa and Candi Cook and Anthony Birdwell and Chris Littler and Michael Canonico and Stefan Zollner and John Kouvetakis and Jose Menendez}, title = {Optical Critical Points of Thin-Film Ge1-7Sny Alloys: A Comparative Ge1-ySny/Ge1-xSix Study}, year = {2006}, number = {73}, month = {2006-03-31 00:03:00}, publisher = {Physical Review B (Condensed Matter and Materials Physics)}, language = {en}, }