Determination of Exchange Parameters from Magnetic Susceptibility
Ken'ichi Takano, Kazuhiro Sano
TL;DR
This paper introduces a practical method to determine magnetic exchange parameters using experimental susceptibility data and high-temperature-expansion equations, applicable to specific lattice types, with an analysis of its accuracy.
Contribution
The paper presents a new method for extracting exchange parameters from susceptibility data within a narrow temperature range, enhancing practical applicability.
Findings
Effective for square and CaV_4O_9-type lattices
Accurately determines exchange parameters from limited data
Discusses the method's accuracy and limitations
Abstract
We report a novel practical method to determine exchange parameters by using experimental susceptibility data in a relatively narrow temperature region and a low order high-temperature-expansion equation. This method is applied to a square lattice and a CaV_4O_9-type lattice, and its accuracy is discussed.
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