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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Strong magnetoelectric coupling in ferrite/ferroelectric multiferroic heterostructures derived by low temperature spin-spray deposition
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Strong magnetoelectric coupling in ferrite/ferroelectric multiferroic heterostructures derived by low temperature spin-spray deposition

机译：低温自旋喷涂沉积在铁氧体/铁电多铁异质结构中的强磁电耦合

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摘要

Strong magnetoelectric (ME) interaction was demonstrated at both dc and microwave frequencies in a novel Zn0.1Fe2.9O4/PMN-PT (lead magnesium niobate-lead titanate) multiferroic heterostructure, which was prepared by spin-spray depositing a Zn0.1Fe2.9O4 film on a single-crystal PMN-PT substrate at a low temperature of 90 degrees C. A large electric-field induced ferromagnetic resonance field shift up to 140 Oe was observed, corresponding to an ME coefficient of 23 Oe cm kV(-1). In addition, a large electrostatic field tuning of the magnetic hysteresis loops was observed with a large squareness ratio change of 18%. The spin-spray deposited ferrite/piezoelectric multiferroic heterostructures exhibiting strong ME interactions at both dc and microwave frequencies provide great opportunities for novel electrostatically tunable microwave magnetic devices synthesized at a low temperature.
机译：通过旋转喷涂沉积Zn0.1Fe2制备的新型Zn0.1Fe2.9O4 / PMN-PT（铌酸铅镁-钛酸铅）多铁异质结构在直流和微波频率下均表现出强磁电（ME）相互作用。在90°C的低温下在单晶PMN-PT衬底上形成9O4膜。观察到大电场感应的铁磁共振场位移高达140 Oe，对应于23 Oe cm kV（-1）的ME系数）。另外，观察到磁滞回线具有较大的静电场调谐，且矩形比变化较大，为18％。自旋喷涂沉积的铁氧体/压电多铁异质结构在直流和微波频率下均表现出很强的ME相互作用，为低温合成的新型静电可调微波磁性器件提供了巨大的机会。

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