Novel magnetic properties of CoTe nanorods and diversified CoTe2 nanostructures obtained at different NaOH concentrations

CoTe and CoTe 2 nanorods with average diameter of 100 nm were synthesized by a simple hydrothermal process, and different CoTe 2 nanostructures were obtained by changing the NaOH concentration. CoTe nanorods exhibit weak ferromagnetism while CoTe 2 nanorods present paramagnetic behavior. Different m...

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Published inScience and technology of advanced materials Vol. 18; no. 1; pp. 325 - 333
Main Authors Lei, Yu-Xi, Miao, Nan-Xi, Zhou, Jian-Ping, Hassan, Qadeer Ul, Wang, Jing-Zhou
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 31.12.2017
Taylor & Francis Ltd
Taylor & Francis Group
Subjects
102 Porous/Nanoporous/Nanostructured materials
203 Magnetics/Spintronics/Superconductors
301 Chemical syntheses/processing
40 Optical, magnetic and electronic device materials
401 1st principle calculations
CoTe
CoTe2
Ferromagnetism
First principles
Magnetic properties
Magnetism
Nanorods
Nanostructure
nanostructures
Optical, Magnetic and Electronic Device Materials
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Summary:CoTe and CoTe 2 nanorods with average diameter of 100 nm were synthesized by a simple hydrothermal process, and different CoTe 2 nanostructures were obtained by changing the NaOH concentration. CoTe nanorods exhibit weak ferromagnetism while CoTe 2 nanorods present paramagnetic behavior. Different magnetic behaviors occur in the other CoTe 2 nanostructures due to Na + entrance into CoTe 2 crystals. A first-principles study on Na-doped CoTe 2 confirms the magnetic characteristics.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1468-6996
1878-5514
DOI:10.1080/14686996.2017.1317218