Abstract
The atomic structure of alloys in the CoP-CoNiP system in the initial state and its behavior upon low-temperature annealing is investigated. It is shown that structural relaxation starts at temperatures of 150–200°C and results in local atomic ordering at the network boundaries. Crystals 2–5 nm in size start to undergo nucleation at the boundaries of structural heterogeneities when heated further to 250–300°C. The nanocrystal structure corresponds to the metastable phase delta-Co (ICSD 42684) and the unknown phase Co1 − x P x . The estimated diffusion coefficient for CoP alloy is 10−14 m2 s−1, according to the experimental data.
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Original Russian Text © E.V. Pustovalov, E.B. Modin, A.V. Kirillov, V.S. Plotnikov, A.V. Dubinets, A.N. Fedorets, 2014, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2014, Vol. 78, No. 9, pp. 1130–1133.
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Pustovalov, E.V., Modin, E.B., Kirillov, A.V. et al. Structural relaxation in the CoP-CoNiP system upon low-temperature annealing. Bull. Russ. Acad. Sci. Phys. 78, 890–893 (2014). https://doi.org/10.3103/S106287381409024X
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DOI: https://doi.org/10.3103/S106287381409024X