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.

引用

页数：9

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