Heat capacity and magnetothermal properties of La0.8Sm0.2Mn2Si2 |
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Authors: | Baris Emre Ilker Dincer Yalcin Elerman |
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Institution: | 1. Institute of Physics, Cz?stochowa University of Technology, Ave. Armii Krajowej 19, 42-200 Cz?stochowa, Poland;2. Institute of Physics, Jan D?ugosz University, Ave. Armii Krajowej 13/15, 42-200 Cz?stochowa, Poland;1. Division of Nephrology, Department of Internal Medicine, University of Iowa and the Iowa City Veterans Affairs Health Care System, Iowa City VA, Iowa City, Iowa;2. Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa;3. Division of Endocrinology and Metabolism, Department of Internal Medicine, University of Iowa and the Iowa City Veterans Affairs Health Care System, Iowa City VA, Iowa City, Iowa;1. Facultat de Física, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain;2. Graduate School of Education, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-5824, Japan;1. University of Food Technologies, Inorganic and Physical Chemistry Department, 26 Mariza avenue, 4000 Plovdiv, Bulgaria;2. University of Plovdiv, Faculty of Chemistry, 24 Tsar Asen str., 4000 Plovdiv, Bulgaria;1. Unidad AECC de Investigación Traslacional en Cáncer, Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), Murcia, Spain;2. Grupo Cirugía Experimental, CIBERehd, Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), IMIB-Arrixaca, Murcia, Spain;3. Unidad de Proteómica, Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), IMIB-Arrixaca, Murcia, Spain;4. Servicio de Gastroenterología, Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), IMIB-Arrixaca, Murcia, Spain;5. Instituto de Biología Molecular y Celular, Universidad Miguel Hernández, Elche (Alicante), Spain |
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Abstract: | We have studied the magnetothermal properties of La0.8Sm0.2Mn2Si2. The magnetic contribution to the heat capacity has been estimated by using the zero-field and 1 T magnetic field data. According to Arrott plots, the La0.8Sm0.2Mn2Si2 has second order transition at Curie temperature. The -type peak in the heat capacity data also confirms the second order transition at the Curie temperature. The electronic, magnetic and lattice contributions to the heat capacity of this compound are determined and analyzed. Moreover, the Debye temperature and have been estimated by using the heat capacity data under zero and 1 T magnetic fields. The ΔSM(T) curve from heat capacity is in very good agreement with that from Maxwell relation. |
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