SBA-15 mesoporous silica as a super insulating material Y. Belmoujahid, M. Bonne, Y. Scudeller, D. Schleich, Y. Grohens and B. Lebeau Eur. Phys. J. Special Topics, 224 9 (2015) 1775-1785 Published online: 30 July 2015 DOI: 10.1140/epjst/e2015-02498-3