Can a Homometallic Chain Be Ferrimagnetic? This research was supported by CICYT (Grant PB96/0163) and OENB (Grants 6630 and 7967). F.A.M. thanks Prof. C. Kratky and Dr. F. Belaj (Universität Graz) for the use of experimental equipment. A.E. and R.V. thanks Prof. Dante Gatteschi (University degli Studi di Firenze) for helpful discussions |