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首页> 外文期刊>Journal of Wood Chemistry and Technology >HYDROTHERMAL DEPOSITION OF CoFe_2O_4 WITH A MICRO NANO BINARY STRUCTURE ONTO A WOOD SURFACE WITH RELATED MAGNETIC PROPERTY AND MICROWAVE ABSORPTION
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HYDROTHERMAL DEPOSITION OF CoFe_2O_4 WITH A MICRO NANO BINARY STRUCTURE ONTO A WOOD SURFACE WITH RELATED MAGNETIC PROPERTY AND MICROWAVE ABSORPTION

机译：Cofe_2O_4的水热沉积在具有相关磁性和微波吸收的木材表面上与木表面上

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摘要

In this study, magnetic CoFe2O4 with a microano binary structure was deposited onto a wood surface using a hydrothermal process. Several samples of CoFe2O4-modified wood composites were obtained by varying the initial parameters of the process. The morphology and structure of the samples demonstrated the influence of varying temperature during the hydrothermal process. The results indicated that CoFe2O4 particles, which comprise a variety of microscale and nanoscale structures, precipitated on the wood surface through the Ostwald ripening process under alkali treatment. Additionally, temperature was found to be a critical factor that influenced the resultant morphology, magnetic property, and microwave absorption property of the CoFe2O4-modified wood. Moreover, the CoFe2O4-modified wood had a high saturation magnetization (Ms) of 30.7 emu center dot g(-1) and a minimum value of reflection of -16.2 dB at 16.6 GHz at room temperature. This work suggested that the CoFe2O4-modified wood composites can be used to design and manufacture microwave absorbers.
机译：在该研究中，使用水热法将具有微/纳米二元结构的磁性COFE2O4沉积在木表面上。通过改变该方法的初始参数来获得几种COFE2O4改性木质复合材料。样品的形态和结构表明了在水热过程中不同温度的影响。结果表明，CoFe2O4颗粒包含各种微观和纳米级结构，通过碱处理通过Ostwald成熟过程在木表面上沉淀。另外，发现温度是影响COFE2O4改性木材的所得形态，磁性和微波吸收性的关键因素。此外，COFE2O4改性木材的高饱和磁化强度（MS）为30.7 emu中心点G（-1），以及在室温下为16.6GHz的最小值-16.2dB的反射值。这项工作表明Cofe2O4改性木材复合材料可用于设计和制造微波吸收器。

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