EVIDENCE FOR DOMAIN FORMATION AT THE HIGH-SPIN(5T2) ⇌ LOW-SPIN(1A1) TRANSITION IN AN ORGANIC COMPLEX OF IRON (II) : 57Fe MÖSSBAUER EFFECT AND MAGNETISM B. KANELLAKOPULOS, E. KÖNIG, G. RITTER et W. IRLERJ. Phys. Colloques, 37 C6 (1976) C6-475-C6-478DOI: https://doi.org/10.1051/jphyscol:1976695