New buffer layers, large band gap ternary compounds: CuAlTe2 K. Benchouk, E. Benseddik, C. O. El Moctar, J. C. Bernède, S. Marsillac, J. Pouzet and A. Khellil Eur. Phys. J. AP, 10 1 (2000) 9-14 Published online: 15 April 2000 DOI: 10.1051/epjap:2000114