Interplay between chains of S=5/2 localised spins and two-dimensional sheets of organic donors in the synthetically built magnetic multilayer λ-(BETS)2FeCl4
L. Brossard, R. Clerac, C. Coulon, M. Tokumoto, T. Ziman, D. K. Petrov, V. N. Laukhin, M. J. Naughton, A. Audouard, F. Goze, A. Kobayashi, H. Kobayashi and P. Cassoux