ICCAS OpenIR
Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O
Sedlakova, L.1,2; Hanko, J.1,2; Orendacova, A.1,2; Orendac, M.1,2; Zhou, C. -L.3; Zhu, W. -H.3; Wang, B. -W.3; Wang, Z. -M.3; Gao, S.3
2009-11-13
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume487Issue:1-2Pages:425-429
AbstractMagnetic 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.
KeywordRare Earth Alloys And Compounds Chemical Synthesis Magnetocaloric Thermodynamic Properties Magnetic Measurements
DOI10.1016/j.jallcom.2009.07.156
Indexed BySCI
Language英语
WOS IDWOS:000272521900086
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68642
Collection中国科学院化学研究所
Corresponding AuthorSedlakova, L.
Affiliation1.Safarik Univ, Fac Sci, Ctr Low Temp Phys, Kosice 04154, Slovakia
2.Inst Expt Phys SAS, Kosice 04154, Slovakia
3.Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
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Sedlakova, L.,Hanko, J.,Orendacova, A.,et al. Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2009,487(1-2):425-429.
APA Sedlakova, L..,Hanko, J..,Orendacova, A..,Orendac, M..,Zhou, C. -L..,...&Gao, S..(2009).Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O.JOURNAL OF ALLOYS AND COMPOUNDS,487(1-2),425-429.
MLA Sedlakova, L.,et al."Magnetism and magnetocaloric effect in S=7/2 Heisenberg antiferromagnet Gd-2(fum)(3)(H2O)(4)center dot 3H(2)O".JOURNAL OF ALLOYS AND COMPOUNDS 487.1-2(2009):425-429.
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