Broadband transverse susceptibility in multiferroic Y-type hexaferrite Ba0.5Sr1.5Zn2Fe12O22
作者： P. Hernández-Gómez , D. Martín-González , C. Torres , J.M. Muñoz
DOI: 10.1016/J.JMMM.2020.166808
关键词:
摘要: Abstract Noncollinear spin systems with magnetically induced ferroelectricity from changes in spiral magnetic ordering have attracted significant interest recent research due to their remarkable magnetoelectric effects promising applications. Single phase multiferroics are of great for these new multifunctional devices, being Y-type hexaferrites good candidates, and among them the ZnY compounds ordered behaviour over room temperature. Polycrystalline Y type composition Ba0.5Sr1.5Zn2Fe2O22 (BSZFO) were sintered 1050 °C–1250 °C temperature range. Transverse susceptibility measurements carried out on BSZFO samples range 80–350 K DC fields up to ± 5000 Oe reveal different depending sintering Sample at 1250 °C is qualitatively different, suggesting a mixed Z like CoY hexaferrites. Sintering lower temperatures produce single Y-type, but transverse sample 1150 °C shifted 15 K higher. Regarding field sweeps observed peak that shifts values increasing temperature, corresponding exhibit several maxima minima 250 K–330 K low applied as result transitions this compound.
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