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Kinetics of short-range and long-range B2 ordering in FeCo

Fultz, B. (1991) Kinetics of short-range and long-range B2 ordering in FeCo. Physical Review B, 44 (18). pp. 9805-9811. ISSN 0163-1829.

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Short-range and long-range-order parameters were measured by Mössbauer spectrometry and x-ray diffractometry during the disorder →B2 order transformation in equiatomic FeCo. The change from a homogeneous mode of ordering at high temperatures to a heterogeneous mode of ordering at low temperatures was confirmed. By comparing parametric plots of the 57Fe hyperfine magnetic field versus long-range-order parameter for ordering in these two modes, an early independent relaxation of the short-range order was found in the kinetic path for homogeneous ordering. This relaxation was in reasonable agreement with estimates based on statistical kinetic theory.

Item Type:Article
Additional Information:©1991 The American Physical Society Received 7 June 1991 I am pleased to acknowledge the help of L. Anthony with software development, D. H. Pearson with the ultrarapid quenching, and Z-Q. Gao with the x-ray diffractometry. This work was supported by the U.S. Dept. of Energy under contract No. DE-FG03-86ER45270.
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ID Code:3119
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Deposited On:16 May 2006
Last Modified:26 Dec 2012 08:52

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