Magnetic properties of the Bi 0.65 La 0.35 Fe 0.5 Sc 0.5 O 3 perovskite

A. V. Fedorchenko*, E. L. Fertman, V. A. Desnenko, O. V. Kotlyar, E. Čižmár, V. V. Shvartsman, D. C. Lupascu, S. Salamon, H. Wende, A. N. Salak, D. D. Khalyavin, N. M. Olekhnovich, A. V. Pushkarev, Yu V. Radyush, A. Feher

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Magnetic properties of polycrystalline multiferroic Bi 0.65 La 0.35 Fe 0.5 Sc 0.5 O 3 synthesized under high-pressure (6 GPa) and high-temperature (1500 K) conditions were studied using a SQUID magnetometer technique. The temperature dependent static magnetic moment M was measured in both zero-field-cooled and field-cooled modes over the temperature range of 5-300 K in low magnetic field H = 0.02 kOe. The field dependent magnetization M(H) was measured in magnetic fields up to 50 kOe at different temperatures up to 230 K after zero-field cooling procedure. A long-range magnetic ordering of the antiferromagnetic type with a weak ferromagnetic contribution takes place below T N ≈ 220 K. Magnetic hysteresis loops taken below T N show a huge coercive field up to H c ≈ 10 kOe, while the magnetic moment does not saturate up to 50 kOe. A strong effect of magnetic field on the magnetic properties of the compound has been found. Below T N ≈ 220 K the derivatives of the initial magnetization curves demonstrate the existence of a temperature-dependent anomaly in fields of H = 15÷25 kOe. The nature of the anomaly is unknown and requires additional study.

Original languageEnglish
Pages (from-to)1069-1071
Number of pages3
JournalActa Physica Polonica A
Issue number4
Publication statusPublished - 1 Apr 2017


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