Magnetic energy of interaction between a synthetic antiferromagnet and a free layer of a spin-tunnel element

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An exact expression is found for the magnetostatic energy of interaction of a synthetic antiferromagnet with a free layer of a spin-tunnel element, the ferromagnetic layers of which have the shape of strongly oblate ellipsoids of revolution. It has been established that the exact value of this interaction energy can differ significantly from the usual value, which is calculated using the expression for the demagnetizing field. The parameters are calculated for which the complete compensation of the magnetic interaction of a synthetic antiferromagnet occurs.

Sobre autores

O. Polyakov

Faculty of Physics, Lomonosov Moscow State University; Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences

Email: D.Vasilyev@tcen.ru
Russia, 119991, Moscow; Russia, 117997, Moscow

P. Polyakov

Faculty of Physics, Lomonosov Moscow State University

Email: D.Vasilyev@tcen.ru
Russia, 119991, Moscow

D. Vasilyev

Scientific-Manufacturing Complex “Technological Centre”

Autor responsável pela correspondência
Email: D.Vasilyev@tcen.ru
Russia, 124498, Moscow

V. Amelichev

Scientific-Manufacturing Complex “Technological Centre”

Email: D.Vasilyev@tcen.ru
Russia, 124498, Moscow

S. Kasatkin

Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences

Email: D.Vasilyev@tcen.ru
Russia, 117997, Moscow

D. Kostyuk

Scientific-Manufacturing Complex “Technological Centre”

Email: D.Vasilyev@tcen.ru
Russia, 124498, Moscow

V. Shevtsov

Faculty of Physics, Lomonosov Moscow State University; Scientific-Manufacturing Complex “Technological Centre”

Email: D.Vasilyev@tcen.ru
Russia, 119991, Moscow; Russia, 124498, Moscow

E. Orlov

Scientific-Manufacturing Complex “Technological Centre”

Email: D.Vasilyev@tcen.ru
Russia, 124498, Moscow

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Declaração de direitos autorais © О.П. Поляков, П.А. Поляков, Д.В. Васильев, В.В. Амеличев, С.И. Касаткин, Д.В. Костюк, В.С. Шевцов, Е.П. Орлов, 2023