Monte Carlo Simulation of Specific Heat of Alumel Alloy

被引：0

作者：

Pena Lara, Diego ^{[1
]}

Correa Gallego, Hernando ^{[2
]}

Suescun Diaz, Daniel ^{[3
]}

机构：

[1] Univ Valle, Dept Fis, Cali 760032, Colombia

[2] Univ Quindio, Inst Interdisciplinario Ciencias, Armenia 630004, Colombia

[3] Univ Surcolombiana, Dept Fis, Neiva 410001, Colombia

来源：

IEEE MAGNETICS LETTERS | 2020年 / 11卷

关键词：

Heating systems; Lattices; Temperature measurement; Temperature distribution; Monte Carlo methods; Nickel; Magnetism in solids; Alumel alloy; specific heat; Monte Carlo method; Blume-Capel Hamiltonian; MODEL; STATISTICS; BEHAVIOR;

D O I：

10.1109/LMAG.2020.3011911

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Among magnetic alloys, Alumel (95%Ni-2%Mn-2%Al-1%Si) has been widely used due to its technological applications. We fit the specific heat, at zero magnetic field, of this alloy by the Blume-Capel model for spin sigma = 1 on a two- and three-dimensional cubic lattice, using Monte Carlo simulation. The best results obtained on a square lattice (linear dimension L = 512 and 1000 Monte Carlo steps per spin) show good concordance between the model and experimental data. We assume that the competition between ferromagnetic (Ni, Mn) sites is strong on planes, and between them is weak due to the presence of nonmagnetic ions (Al or Si).

引用

页数：4

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