Academic Journal
Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O
| العنوان: | Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O |
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| المؤلفون: | Sedlakova, L., Hanko, J., Orendacova, A., Orendac, M., Zhou, C.L., Zhu, W.H., Wang, B.W., Wang, Z.M., Gao, S. |
| المساهمون: | Sedlakova, L (reprint author), Safarik Univ, Fac Sci, Ctr Low Temp Phys, Pk Angelinum 9, Kosice 04154, Slovakia., Safarik Univ, Fac Sci, Ctr Low Temp Phys, Kosice 04154, Slovakia., Inst Expt Phys SAS, Kosice 04154, Slovakia., Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China., Safarik Univ, Fac Sci, Ctr Low Temp Phys, Pk Angelinum 9, Kosice 04154, Slovakia. |
| المصدر: | SCI |
| بيانات النشر: | journal of alloys and compounds |
| سنة النشر: | 2009 |
| المجموعة: | Peking University Institutional Repository (PKU IR) / 北京大学机构知识库 |
| مصطلحات موضوعية: | Rare earth alloys and compounds, Chemical synthesis, Magnetocaloric, Thermodynamic properties, Magnetic measurements, REFRIGERATION |
| الوصف: | Magnetic properties of Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O were investigated by static and alternating susceptibility, specific heat and adiabatic magnetization. The material is characterized by weak antiferromagnetic interactions, arising predominantly from dipolar couplings that leads to magnetic ordering at T-N = 0.19 K. A pronounced change in the magnetic entropy was found near the critical temperature. The magnetocaloric behavior estimated from specific heat data is confirmed by adiabatic magnetization above 0.2 K. In addition, adiabatic magnetization and demagnetization near the critical temperature revealed only a small hysteresis. Finally, the magnetothermal response and resulting refrigeration capacity of Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O is compared with other magnetic refrigerants proposed for low-temperature applications. (C) 2009 Elsevier B.V. All rights reserved. ; Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; SCI(E) ; 32 ; ARTICLE ; 1-2 ; 425-429 ; 487 |
| نوع الوثيقة: | journal/newspaper |
| اللغة: | English |
| تدمد: | 0925-8388 |
| Relation: | JOURNAL OF ALLOYS AND COMPOUNDS.2009,487,(1-2),425-429.; 934412; http://hdl.handle.net/20.500.11897/245145; WOS:000272521900086 |
| DOI: | 10.1016/j.jallcom.2009.07.156 |
| الاتاحة: | https://hdl.handle.net/20.500.11897/245145 https://doi.org/10.1016/j.jallcom.2009.07.156 |
| رقم الانضمام: | edsbas.EDB2AEB8 |
| قاعدة البيانات: | BASE |
| تدمد: | 09258388 |
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| DOI: | 10.1016/j.jallcom.2009.07.156 |