Journal
MATERIALS
Volume 13, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/ma13173696
Keywords
Monte Carlo simulations; magnetic simulations; magnetic materials
Categories
Funding
- National Science Centre in Poland [2015/19/B/ST8/02636]
- National Science Centre of Poland [2016/21/B/ST8/02737]
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This paper refers to Monte Carlo magnetic simulations for large-scale systems. We propose scaling rules to facilitate analysis of mesoscopic objects using a relatively small amount of system nodes. In our model, each node represents a volume defined by an enlargement factor. As a consequence of this approach, the parameters describing magnetic interactions on the atomic level should also be re-scaled, taking into account the detailed thermodynamic balance as well as energetic equivalence between the real and re-scaled systems. Accuracy and efficiency of the model have been depicted through analysis of the size effects of magnetic moment configuration for various characteristic objects. As shown, the proposed scaling rules, applied to the disorder-based cluster Monte Carlo algorithm, can be considered suitable tools for designing new magnetic materials and a way to include low-level or first principle calculations in finite element Monte Carlo magnetic simulations.
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