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Electronic Properties and Magnetocaloric Effect of GdNi4Si: Ab Initio Calculations, Mean Field Approximation, and Monte Carlo Simulation

التفاصيل البيبلوغرافية
العنوان: Electronic Properties and Magnetocaloric Effect of GdNi4Si: Ab Initio Calculations, Mean Field Approximation, and Monte Carlo Simulation
المؤلفون: Abdelilah Benyoussef, Hamid Ez-Zahraouy, Mustapha Dehmani, R. Lamouri, El Mehdi Salmani
المصدر: Journal of Superconductivity and Novel Magnetism. 31:1819-1825
بيانات النشر: Springer Science and Business Media LLC, 2017.
سنة النشر: 2017
مصطلحات موضوعية: Materials science, Condensed matter physics, Monte Carlo method, Ab initio, 02 engineering and technology, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Isothermal process, Electronic, Optical and Magnetic Materials, Condensed Matter::Materials Science, Ferromagnetism, Mean field theory, Ab initio quantum chemistry methods, 0103 physical sciences, Density functional theory, 010306 general physics, 0210 nano-technology, Critical exponent
الوصف: We investigated the magnetic properties and magnetocaloric effect of GdNi4Si by using a combination of first-principle density functional theory (DFT) calculations and Monte Carlo Simulation. Ab initio calculations show the stability of the ferromagnetic phase in this material. The Monte Carlo simulations combined with ab initio exchange coupling constants as input parameters lead to discuss the transition temperature, critical exponents, and isothermal entropy changes. The measured critical temperature and the isothermal magnetic entropy changes for a field change of 14T in good agreement with the experimental data.
تدمد: 1557-1947
1557-1939
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::54fa2580225b0d3556e00eb409814821
https://doi.org/10.1007/s10948-017-4394-9
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........54fa2580225b0d3556e00eb409814821
قاعدة البيانات: OpenAIRE
الوصف
تدمد:15571947
15571939