Monte Carlo simulations of the magnetocaloric effect in magnetic Ni-Mn-X (X = Ga, In) Heusler alloys

Buchelnikov V.D.; Sokolovskiy V.V.; Taskaev S.V.; Khovaylo V.V.; Aliev A.A.; Khanov L.N.; Batdalov A.B.; Entel P.; Miki H.; Takagi T.

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Monte Carlo simulations of the magnetocaloric effect in magnetic Ni-Mn-X (X = Ga, In) Heusler alloys

机译：Ni-Mn-X（X = Ga，In）Heusler合金中磁热效应的蒙特卡洛模拟

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Monte Carlo simulations were used for a detailed description of magnetic, martensitic and magnetocaloric properties of Ni_(2+x)Mn_(1-x)Ga (0.18 ≤ x ≤ 0.24) and Ni_(50)Mn_(34) In_(16) Heusler alloys, which undergo a first-order magnetostructural phase transition. In the simulations we made use of magnetic exchange parameters which were obtained by ab initio calculations. Results of magnetic and lattice contributions to the total specific heat as well as the change in the isothermal magnetic entropy ΔSmag and the adiabatic temperature ΔT_(ad) changes around the magnetic and magnetostructural transitions in an external magnetic field agree fairly well with available experimental data.

机译：蒙特卡罗模拟用于详细描述Ni_（2 + x）Mn_（1-x）Ga（0.18≤x≤0.24）和Ni_（50）Mn_（34）In_（16）的磁，马氏体和磁热性质Heusler合金，经历一阶磁结构相变。在模拟中，我们利用了从头算得到的磁交换参数。磁场和晶格对总比热以及等温磁熵ΔSmag和绝热温度ΔT_（ad）的变化在外部磁场中围绕磁和磁结构转变的变化结果非常吻合。

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《Journal of Physics, D. Applied Physics: A Europhysics Journal》 |2011年第6期|共14页
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Buchelnikov V.D.; Sokolovskiy V.V.; Taskaev S.V.; Khovaylo V.V.; Aliev A.A.; Khanov L.N.; Batdalov A.B.; Entel P.; Miki H.; Takagi T.;
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1. Monte Carlo simulations of the magnetocaloric effect in magnetic Ni-Mn-X (X = Ga, In) Heusler alloys [J] . Buchelnikov V.D., Sokolovskiy V.V., Taskaev S.V., Journal of Physics, D. Applied Physics: A Europhysics Journal . 2011,第6期

机译：Ni-Mn-X（X = Ga，In）Heusler合金中磁热效应的蒙特卡洛模拟
2. Magnetocaloric and magnetic properties of Ni2Mn1-xCuxGa Heusler alloys: An insight from the direct measurements and ab initio and Monte Carlo calculations [J] . Sokolovskiy V., Buchelnikov V., Skokov K., Journal of Applied Physics . 2013,第18期

机译：Ni2Mn1-xCuxGa Heusler合金的磁热和磁性能：直接测量以及从头算和蒙特卡洛计算的真知灼见
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4. MONTE CARLO SIMULATION OF THE DIRECT AND INVERSE MAGNETOCALORIC EFFECT IN HEUSLER Ni-Mn-X (X = Ga, In, Sb) ALLOYS BY USING A REAL UNIT CELL [C] . V. V. SOKOLOVSKIY, V. D. BUCHELNIKOV, S. V. TASKAEV, International Conference on Magnetic Refrigeration at Room Temperature . 2010

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6. Unveiling a Scaling and Universal Behavior for the Magnetocaloric Effect in Cubic Crystal Structures: A Monte Carlo Simulation [O] . J. D. Alzate-Cardona, J. S. Salcedo-Gallo, D. F. Rodríguez-Patiño, -1

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8. Monte Carlo and mean field calculations of the magnetocaloric effect of ferromagnetically interacting clusters. [R] . L. H. Bennett R. D. McMichael L. J. Swartzendruber R. D. Shull R. E. Watson 1991

机译：蒙特卡罗和铁磁相互作用团簇的磁热效应的平均场计算。

Monte Carlo simulations of the magnetocaloric effect in magnetic Ni-Mn-X (X = Ga, In) Heusler alloys

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