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SmB6 nanoparticles: Synthesis, valence states, and magnetic properties
Bao, Lihong; Chao, Luomeng; Li, Yingjie; Ming, Ming; Yibole, B.; Tegus, O.; tegusph@imnu.edu.cn
2015
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume651Pages:19-23
AbstractNanocrystalline SmB6 particles were synthesized by the solidestate reaction of Sm2O3/SmCl3 with NaBH4 in the temperature range of 1000-1200 degrees C. The phase composition, grain morphology, microstructure and valence states of SmB6 were investigated by using XRD, FESEM, HRTEM and XANES. It is interestingly found that the SmB6 nanocrystalline particles with size of 50 nm are easily prepared by using SmCl3 as raw material. The FFT patterns of HRTEM images reveal that the SmB6 nanocrystalline particles have a high crystallinity with cubic structure. The XANES results show that the valence state of Sm is more likely Sm-3 broken vertical bar. The magnetic measurement shows that the SmB6 nanoparticles show paramagnetic behavior, but there is a small anomaly in the paramagnetic state. The present synthesis technique is novel and invaluable for developing highly crystallized SmB6 nanoparticles. (C) 2015 Elsevier B.V. All rights reserved.
description.department[bao, lihong ; chao, luomeng ; li, yingjie ; ming, ming ; tegus, o.] inner mongolia normal univ, inner mongolia key lab phys & chem funct mat, hohhot 010022, peoples r china ; [chao, luomeng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [yibole, b.] delft univ technol, fac sci appl, fame, nl-2629 jb delft, netherlands
KeywordSmb6 Solid-state Reaction Valence State
Funding OrganizationFundamental Research Open Project of Inner Mongolia [20130902]; National Natural Science Foundation of China [51302129]; Program for Young Talents of Science and Technology in Universities of Inner Mongolia [NJYT-14-B03]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75119
Collection中国科学院金属研究所
Corresponding Authortegusph@imnu.edu.cn
Recommended Citation
GB/T 7714
Bao, Lihong,Chao, Luomeng,Li, Yingjie,et al. SmB6 nanoparticles: Synthesis, valence states, and magnetic properties[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,651:19-23.
APA Bao, Lihong.,Chao, Luomeng.,Li, Yingjie.,Ming, Ming.,Yibole, B..,...&tegusph@imnu.edu.cn.(2015).SmB6 nanoparticles: Synthesis, valence states, and magnetic properties.JOURNAL OF ALLOYS AND COMPOUNDS,651,19-23.
MLA Bao, Lihong,et al."SmB6 nanoparticles: Synthesis, valence states, and magnetic properties".JOURNAL OF ALLOYS AND COMPOUNDS 651(2015):19-23.
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