Abhängigkeit der magnetelektrischen Kopplung von der Partikelgröße in Nano-BiFeO3

Abhängigkeit der magnetelektrischen Kopplung von der Partikelgröße in Nano-BiFeO3

Chandan K. Ghosh / Dipten Bhattacharya / Sudipta Goswami

47,14 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
ISBN:
9786208299217
47,14 €
IVA incluido
Disponible

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Diese Arbeit beschreibt die Beobachtungen zur Abhängigkeit der Teilchengröße von der magnetoelektrischen multiferroischen Kopplung in einem nanoskaligen multiferroischen BiFeO3-System. Durch Röntgen- und Neutronenbeugungsexperimente wurden die ferroelektrischen und multiferroischen Eigenschaften untersucht. Es wurde festgestellt, dass sie einem nicht-monotonen Muster der Variation mit der Teilchengröße im Bereich von 20 bis 200 nm folgen. Diese Nicht-Monotonie scheint auf den Wettbewerb zwischen Gittermikrodehnung und Druckeffekt zurückzuführen zu sein, der bei diesen Nanopartikeln beobachtet wurde. Die Auswirkungen dieses Ergebnisses könnten für die Entwicklung von Nano-Spintronik-Geräten mit nanoskaligem BiFeO3 von großer Bedeutung sein.

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