Large reversible magnetocaloric effect in the RECoC2 (RE=Ho and Er) compounds |
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| Affiliation: | 1. Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang, 110819, China;2. Institute of Materials Physics and Chemistry, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China;1. Department of Chemistry, Moscow State University, Leninskie Gory, House 1, Building 3, GSP-2, Moscow 119992, Russia;2. Department of Petrology, Geological Faculty, Moscow State University, Leninskie Gory, Moscow 119992, Russia;3. Department of Chemistry, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy;4. Institute SPIN-CNR, C. Perrone 24, 16152 Genova, Italy;5. Indian Institute of Technology Madras, Chennai 600036, India;6. Departamento de Física Teórica e Experimental, Universidade Federal do Rio Grande do Norte, Natal 59082-970, Brazil;1. Department of Physics, Kanazawa University, Kanazawa 920-1192, Japan;2. Department of Materials Science and Engineering, Muroran Institute of Technology, Muroran 050-8585, Japan;1. Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan;2. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan;4. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 Japan;1. Institute of Solid State Physics, Vienna University of Technology, Wiedner Hauptstrasse 8-10, A-1040 Vienna, Austria;2. Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Kyryla and Mefodia Street 6, UA-79005 Lviv, Ukraine;1. Institute of Material Physics, Key Laboratory of Display Materials and Photoelectric Devices of Ministry of Education of Ministry of Education, Tianjin University of Technology, Tianjin 300191, China;2. Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China;3. State Key Laboratory of Magnetism, Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, China;4. School of Material Science and Engineering, Hebei University of Technology, Tianjin, China;1. Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China;2. Institut für Anorganische und Analytische Chemie, Universität Münster, D-48149 Münster, Germany |
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| Abstract: | ![]()
The crystal structure, magnetic properties and magnetocaloric effect (MCE) of HoCoC2 and ErCoC2 have been investigated. They both crystallize in orthorhombic CeNiC2-type structure with Amm2 space group and a second-order paramagnetic to ferromagnetic phase transition around the Curie temperature TC ∼11 K and ∼14 K occurred in them. Under the magnetic field change (ΔH) of 0–5 T, the maximal values of magnetic entropy change, refrigerant capacity and relative cooling power are 15.6 J/kg K, 183 J/kg, 242 J/kg for HoCoC2 and 17.2 J/kg K, 243 J/kg, 375 J/kg for ErCoC2, respectively. |
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| Keywords: | Magnetocaloric effect Magnetic properties Magnetic refrigeration |
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