Discretization of Magnetization Curves and Their Application in Size Estimation of Nanosized Ferrofluid

Abstract

The method to determine the size distribution of nanosized ferrofluid by optimizing the discretization strategy used in calculations is demonstrated in this paper. The discretization strategy is achieved with a modified optimal quantization theory to eventually reduce the ill-posed property of the magnetization numerical model. The optimization then enables the suppression of artificial oscillation found in previous estimation. The suppression of oscillations caused by the ill-posed feature can accurately resolve dimers in ferrofluid. The suppression of oscillations caused by the ill-posed feature can accurately resolve dimers in ferrofluid.