Abstract
Amorphous transition metal-metalloid alloy particles can be prepared by chemical preparation techniques. We discuss the preparation of transition metal-boron and iron-carbon particles and their magnetic properties. Nanometer-sized particles of both crystalline and amorphous magnetic materials are superparamagnetic at finite temperatures. The temperature dependence of the superparamagnetic relaxation time and the influence of inter-particle interactions is discussed. Finally, some examples of studies of surface magnetization of alpha-Fe particles are presented.
Original language | English |
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Title of host publication | Proceedings of the Vth International Workshop on Non-Crystalline Solids |
Place of Publication | Santiago de Compostela, Spain |
Publisher | R. Rivas and M.A. Lopez-Quinteia |
Publication date | 1997 |
Pages | 423-432 |
Publication status | Published - 1997 |