Unusual high sensitivity in highly oriented laser ablated thin films of SnO2 on (1102) sapphire and (100) LaAlO3K. I. Gnanasekar, B. Rambabu and K. C. LangryEur. Phys. J. AP, 18 1 (2002) 9-15DOI: https://doi.org/10.1051/epjap:2002021