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摘要
This paper attempts to explore the effects of the different external fields on the inverse susceptibility-temperature curve. The superlinear property found in the inverse susceptibility-temperature curve of magnetic nanoparticle colloid solutions is assumed to be related to dimer disruption. The ac magnetic field accelerates cluster disruption, whereas the critical transition temperature decreases with an increase of frequency. Higher frequency of the applied field raises the slope of susceptibility when the temperature of the magnetic fluid is below the transition temperature.
- 出版日期2011-4-1
- 单位华中科技大学
