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Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 539.21: 538.911
MAGNITOELECTRICAL PROPERTIES OF NdxBi1–xFeO3 MULTIFERROICS
S. S. Aplesnin, V. V. Kretinin, V. V. Korolev, A. M. Zhivulko, K. I. Yanushkevich
Reshetnev Siberian State Aerospace University 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation Scientific-Practical Materials Research Center NAS 19, P. Brovki Str., Minsk, 220072, Belarus
On (Bi0.9Nd0.1)FeO3 films deposited on a glass substrate with ~ 160 nm thickness in a 100 Hz < w < 105 Hz frequency range and the temperature range of 300 K < T < 450 K are carried out studies of permittivity and dielectric loss tangent without magnetic field and in the magnetic field with induction of B = 0.8 Tesla. It was found that magnetocapacitance of the (Bi0.9Nd0.1)FeO3 film has the same value as for bulk samples. The presence of the neodymium in the (Bi0.9Nd0.1)FeO3 films increases magnetocapacitance value at room temperature in comparison with BiFeO3. In the conditions of magnetic field absence a film permittivity has an anomaly at T = 394 K and magnetocapacitance (e(H) – e(0))/ e(0) reduces in several times. Using the results of the temperature dependences of the specific magnetization study are determined the values of the (Bi0.9Nd0.1)FeO3 films magnetic moment in a wide temperatures range.
multiferroics, magnetocapacitance, relaxation, permittivity.
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Aplesnin Sergei Stepanovich – Dr. Sc., head of Department of Physics, Reshetnev Siberian State Aerospace University. E-mail: aplesnin@sibsau.ru.

Kretinin Vasiliy Vasil’evich – postgraduate student, Reshetnev Siberian State Aerospace University.

Korolev Vladimir Vladimirovich – student, Reshetnev Siberian State Aerospace University.

Zhivulko Aliona Mikhaylovna – junior researcher, SSPA “Scientific and Practical Materials Research Centre of NAS of Belarus”. E-mail: alyona_panasevich@mail.ru.

Yanushkevich Kazimir Iosifovich – Dr. Sc., head of laboratory of physics of magnetic materials, SSPA “Scientific and Practical Materials Research Centre of NAS of Belarus”. E-mail: kazimir@ifttp.bas-net.by.