Ordering and magnetic properties of nanostructured CoPt particles

Тип публикации: статья из журнала

Год издания: 2017

Идентификатор DOI: 10.3103/S1062873817030182

Ключевые слова: Crystallite size, Bulk diffusions, CoPt alloys, Degree of order, Low-activation energy, Nano-structured, Ordering process, Single domains, Activation energy

Аннотация: The kinetics of ordering in nanostructured CoPt particles is investigated. The low activation energy (58 ± 2 kJ/mol) of the ordering process indicates that the kinetics of ordering is not limited by bulk diffusion. Coercivity grows along with the degree of ordering and reaches its maximum value of 14.2 kOe upon the complete ordering of CoPt alloy with a crystallite size of no more than that of a single domain. © 2017, Allerton Press, Inc.

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Издание

Журнал: Bulletin of the Russian Academy of Sciences: Physics

Выпуск журнала: Vol. 81, Is. 3

Номера страниц: 298-300

ISSN журнала: 10628738

Авторы

  • Komogortsev S.V. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
  • Iskhakov R.S. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
  • Zimin A.A. (Siberian Federal University, Krasnoyarsk, Russian Federation)
  • Filatov E.Y. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russian Federation)
  • Korenev S.V. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russian Federation)
  • Shubin Y.V. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russian Federation)
  • Eremin E.V. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
  • Yurkin G.Y. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)

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