Media type: E-Article Title: Elimination of porosity in heavily rare-earth doped sol–gel derived silicate glass films Contributor: Li, Yigang; Almeida, Rui M. imprint: Springer Science and Business Media LLC, 2012 Published in: Journal of Sol-Gel Science and Technology Language: English DOI: 10.1007/s10971-011-2632-3 ISSN: 0928-0707; 1573-4846 Keywords: Materials Chemistry ; Condensed Matter Physics ; Biomaterials ; General Chemistry ; Ceramics and Composites ; Electronic, Optical and Magnetic Materials Origination: Footnote: