Switching of ferrotoroidal domains via an intermediate mixed state in the multiferroic Y-type hexaferrite Ba0.5Sr1.5Mg2Fe12O22

被引：0
|
作者：
Chen, Jiahao [1 ]
Chmiel, Francis [1 ]
Liu, Jieyi [1 ]
Prabhakaran, Dharmalingam [1 ]
Radaelli, Paolo G. [1 ]
Johnson, Roger D. [1 ,2 ]
机构：
[1] Univ Oxford, Dept Phys, Oxford OX1 3PU, England
[2] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England
来源：
PHYSICAL REVIEW B | 2024年 / 110卷 / 13期
关键词：
X ray scattering;
D O I：
10.1103/PhysRevB.110.134410
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report a detailed study of the magnetic field switching of ferrotoroidal/multiferroic domains in the Y-type hexaferrite compound Ba0.5Sr1.5Mg2Fe12O22. By combining data from superconducting quantum interference device (SQUID) magnetometry, magnetocurrent measurements, and resonant x-ray scattering experiments, we arrive at a complete description of the deterministic switching, which involves the formation of a temperaturedependent mixed state in low magnetic fields. This mechanism is likely to be shared by other members of the hexaferrite family, and presents a challenge for the development of high-speed read-write memory devices based on these materials.
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页数：9
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