Field-induced magnetic transition in a mixed rare-earth aluminum garnet Er2HoAl5O12


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Abstract

The temperature dependence of the ac magnetic susceptibility of a single-crystal mixed rare-earth garnet Er2HoAl5O12 has been investigated within the range from 1.8 to 300 K in a zero constant field and in applied bias fields of up to 9 T. In the absence of a constant magnetic field the magnetic susceptibility followed the Curie–Weiss law. The application of a constant magnetic field caused a magnetic phase transition, the temperature of which increased with increasing magnetic field. The temperature of the maximum of the ac magnetic susceptibility, which is a characteristic of the phase transition, did not show a noticeable dependence on the frequency of the alternating magnetic field.

About the authors

E. V. Shevchenko

St. Petersburg State University

Email: charnaya@mail.ru
Russian Federation, Universitetskaya nab.7–9, St. Petersburg, 199034

E. V. Charnaya

St. Petersburg State University

Author for correspondence.
Email: charnaya@mail.ru
Russian Federation, Universitetskaya nab.7–9, St. Petersburg, 199034

E. N. Khazanov

Kotelnikov Institute of Radio Engineering and Electronics

Email: charnaya@mail.ru
Russian Federation, ul. Mokhovaya 11–7, Moscow, 125009

A. V. Taranov

Kotelnikov Institute of Radio Engineering and Electronics

Email: charnaya@mail.ru
Russian Federation, ul. Mokhovaya 11–7, Moscow, 125009

A. S. Bugaev

Moscow Institute of Physics and Technology (State University)

Email: charnaya@mail.ru
Russian Federation, Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700

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