Molecular field theory analysis of R2Fe17C (R=PR,Nd, Gd,Tb, Dy,Ho, Er) |
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| Institution: | 1. Physics Department, Hebei Normal University, 256 Yu Hua Dong Lu st., Shijiazhuang 050016, Hebei, People''s Republic of China;2. Physics Department, Cang Zhou Teacher-Training College, 28 Nan Huan Xi Lu st. Cang Zhou 061001, Hebei, People''s Republic of China;3. Physics Department, Tianjin University, Tianjin 300072, People''s Republic of China;4. Office of Scientific Research, Hebei Normal University, Shijiazhuang 050016, Hebei, People''s Republic of China;5. Physics Department, Heng Shui Normal College, Heng Shui 053000, Hebei, People''s Republic of China;6. Physics Department, Shijiazhuang Normal college, Shijiazhuang 050041, Hebei, People''s Republic of China;1. Department of Physics, Faculty of Science, Damietta University, Egypt;2. Department of Physics, Faculty of Science, Helwan University, Cairo, Egypt;1. School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China;2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, China;1. School of Materials Science and Engineering, Shanghai University, 200444 Shanghai, PR China;2. Aix-Marseille Univ, CNRS, MADIREL, Marseille, France;3. Shanghai Univ, State Key Laboratory of Advanced Special Steel, Shanghai, PR China;4. Aix-Marseille Univ, Université de Toulon, CNRS, IM2NP, Marseille, France;5. Titanium Alloy Laboratory, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;1. Univ. Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France;2. CNRS, Inst NEEL, F-38042 Grenoble, France;3. Institut Laue-Langevin, CS 20156, F-38042 Grenoble Cedex 9, France;4. Babes-Bolyai University, Faculty of Physics, 400084 Cluj-Napoca, Romania;1. Department of Physics, The University of Burdwan, Burdwan, 713104, India;2. Condensed Matter Physics Division, Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata, 700064, India;1. Laboratory of Materials, Processes, Environment and Quality, Cady Ayyed University, National School of Applied Sciences, 63, 46000 Safi, Morocco;2. LMPHE, URAC 12, Faculté des Sciences, Université Mohamed V-Agdal, Rabat, Morocco;3. Institute for Nanomaterials and Nanotechnologies, MAScIR, Rabat, Morocco;4. Academie Hassan II des Sciences et Techniques, Rabat, Morocco;5. Institut Néel, CNRS et Université Joseph Fourier, BP 166, F-38042 Grenoble cedex 9, France |
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| Abstract: | The temperature dependence of magnetization is analysed for R2Fe17C via the two-sublattice molecular field theory. The molecular field coefficients nFF, nRF and nRR are obtained, by which TC was calculated. Using the least-squares method, the fitted-form of HR(T) varying with temperature for each compound is presented. The results are analysed. In addition, the parameters F=MFe2(0)nFF/TC was calculated for each R2Fe17C. By F, some phenomena different from the normal view were explained. |
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