Volume 50, Number 3, May I 2000
|Page(s)||402 - 408|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 September 2002|
Observation of magnetically induced crystallization of undercooled Co-Pd alloys
Institut für Raumsimulation, DLR - D-51170 Köln, Germany
2 Institut für Experimentalphysik IV, Ruhr-Universität Bochum D-44780 Bochum, Germany
3 Harvard University, Division of Engineering and Applied Sciences Cambridge, MA 02138, USA
Accepted: 11 February 2000
The undercoolability of bulk samples of alloys is investigated at four compositions (x= 18, 25, 30, 50) by application of the electromagnetic levitation technique. Each alloy is undercooled approximately 100 times under same experiment conditions. A model developed by Skripov is utilized to statistically analyze the distribution of maximum undercoolings in order to gain insight into the origin of nucleation. The results indicate that crystal nucleation is influenced by the onset of magnetic ordering when the nucleation temperature is approaching the Curie temperature.
PACS: 75.50.Mm – Magnetic liquids / 64.60.My – Metastable phases / 02.50.-r – Probability theory, stochastic processes, and statistics
© EDP Sciences, 2000
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