PHASE TRANSFORMATIONS OF SUPERSATURED SPUTTERED Nb Co FILMS W. BIEGEL, W. SCHAPER, H.-U. KREBS, J. HOFFMANN, H.C. FREYHARDT, R. BUSCH and R. BORMANN J. Phys. Colloques, 51 C4 (1990) C4-189-C4-195 DOI: 10.1051/jphyscol:1990423