Dependência do tamanho das partículas do acoplamento magnetoeléctrico em nano BiFeO3

Dependência do tamanho das partículas do acoplamento magnetoeléctrico em nano BiFeO3

Chandan K. Ghosh / Dipten Bhattacharya / Sudipta Goswami

47,14 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
ISBN:
9786208299170
47,14 €
IVA incluido
Disponible

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Sobre IBD

Este trabalho descreve as observações feitas sobre a dependência do tamanho das partículas do acoplamento multiferróico magnetoeléctrico no sistema multiferróico em nanoescala BiFeO3. Através de experiências de difração de raios X e de neutrões, as propriedades ferroeléctricas e multiferróicas foram investigadas. Verificou-se que estas seguem um padrão não monotónico de variação com o tamanho das partículas na gama de 20-200 nm. Esta não-monotonicidade parece resultar da competição entre a micro-deformação da rede e o efeito de pressão compressiva observado nestas partículas nanométricas. As implicações deste resultado podem ser profundas para a conceção de dispositivos nano-spintrónicos utilizando BiFeO3 em nanoescala.

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