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High Curie temperature and coercivity performance of Fe3-xCrxSe4 nanostructures
S. J.; Li Li, D.; Liu, W.; Zhang, Z. D.
2015
Source PublicationNanoscale
ISSN2040-3364
Volume7Issue:12Pages:5395-5402
AbstractMonoclinic Fe3-xCrxSe4 nanostructures (0 <= x <= 2.5) were synthesized using a high-temperature solution chemical method. With increasing the Cr doping, the peak positions in the X-ray diffraction (XRD) patterns of Fe3-xCrxSe4 nanostructures slightly shifted to lower 2 theta. values due to the changes in lattice parameters. Expansions in the unit cell volumes of Fe3-xCrxSe4 nanostructures (x > 0.3) may have been responsible for enhancing the ferromagnetic (FM) interaction between magnetic ions, which resulted in a significant increase in the Curie temperature (T-C) from 331 K for Fe3Se4 to 429 K for FeCr2Se4, distinctly differing from the magnetic properties of the corresponding bulk materials. A room-temperature coercivity (H-C) analysis showed an obvious increase from 3.2 kOe for Fe3Se4 to 12 kOe for Fe2.3Cr0.7Se4 nanostructure, but gradually decreased upon further increasing the Cr content.
description.department[li, shao-jie ; li, da ; liu, wei ; zhang, zhidong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; li, d (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; dali@imr.ac.cn
KeywordMagnetic-properties Powder Diffraction Nanoparticles Fe3se4 Compound
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73844
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
S. J.,Li Li, D.,Liu, W.,et al. High Curie temperature and coercivity performance of Fe3-xCrxSe4 nanostructures[J]. Nanoscale,2015,7(12):5395-5402.
APA S. J.,Li Li, D.,Liu, W.,&Zhang, Z. D..(2015).High Curie temperature and coercivity performance of Fe3-xCrxSe4 nanostructures.Nanoscale,7(12),5395-5402.
MLA S. J.,et al."High Curie temperature and coercivity performance of Fe3-xCrxSe4 nanostructures".Nanoscale 7.12(2015):5395-5402.
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