Domain boundary engineering

作者: Ekhard Salje , Huali Zhang

DOI: 10.1080/01411590902936138

关键词: CouplingMatrix (mathematics)MultiferroicsBoundary (topology)Domain (software engineering)Condensed matter physicsMagnetic momentClassical mechanicsFerroelectricityPhysics

摘要: We review the idea that domain boundaries, rather than domains, can carry information and act as memory devices. Domains are bulk objects; their large response to changing external fields is related change in volume, which implies movement of boundaries. In many cases, design ‘optimal’ structures corresponds boundaries with parameters such boundary mobility, pinning properties formation specific curved or needle domains. This argument enhanced further this review: themselves host absent bulk, they be multiferroic, super- semi-conductors while matrix shows none these properties. It agued multiferroic walls described formally chiral whereby chirality relates state-vectors polarisation magnetic moment (non-linear) coupling. Once generated reliably, a new generation ...

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