Multiferroic liquid and preparation method thereof
A multiferroic and liquid technology, applied in the direction of magnetic liquid, etc., can solve the problems of material waste, weak effect, no obvious change, multiferroic material damage, etc.
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[0033] The present invention will be further described below in conjunction with drawings and embodiments.
[0034]A multiferroic liquid, comprising magnetic nanoparticles, ferroelectric nanoparticles, a base liquid, and a surfactant, wherein the base liquid and the surfactant are uniformly mixed into a mixed liquid, the magnetic nanoparticles, The ferroelectric nanoparticles are uniformly dispersed in the mixed liquid to form a stable suspension. The ferroelectric nanoparticles are barium titanate (BTO), lead zirconate titanate (PZT) or ferric oxide (Fe 3 o 4 ), the magnetic nanoparticles are cobalt ferrite (CoFe 2 o 4 , abbreviated as CFO) or γ-Fe 2 o 3 (Those skilled in the art should know that other ferroelectric materials and magnetic materials can also be selected as required). The nanoparticles are ferroelectric (or magnetic) nanoparticles or nanowires. The particle size of the magnetic nanoparticles is≦20nm. The particle size of the ferroelectric nanoparticles ...
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