Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 77, Issue 10, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.77.103709
Keywords
multiferroics; perovskites; BiFeO3; high magnetic field; modulated magnetic structure; magnetization
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Funding
- Ministry of Science and Education (Poland)
- European Commission through EuroMagNET [RII3-CT-2004-506239]
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The magnetization of polycrystalline ceramic BiFeO3 has been studied with pulsed magnetic fields up to 58T. We observe a magnetic transition in both, increasing and decreasing magnetic fields. The critical field of the transition decreases with temperature. It is observed at 18.1 T at 80 K and 16.1 T at 235 K for increasing fields, whereas with decreasing fields the transition is observed at about 1.5 T below these values. The observed transition is the same as that reported in BiFeO3 single crystals at 10K [Kadomtseva et al.: JETP Lett. 79 (2004) 571]. It was attributed to the destruction of the modulated magnetic ordering in BiFeO3.
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