Cargando…
Temperature-tuned ferromagnetism in hydrogenated multilayer graphene
Improving the ferromagnetism properties of pure carbon-based materials is extremely important for their application in spintronics. Hydrogenation of graphene is an effective way to induce magnetic moment into graphene with the advantage of reversibility. However, little experimental work has been do...
Autores principales: | , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2018
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9079760/ https://www.ncbi.nlm.nih.gov/pubmed/35542517 http://dx.doi.org/10.1039/c8ra02648c |
_version_ | 1784702628709531648 |
---|---|
author | Zhao, Man Xiao, He Chen, Shuai Hu, Tianjun Jia, Jianfeng Wu, Haishun |
author_facet | Zhao, Man Xiao, He Chen, Shuai Hu, Tianjun Jia, Jianfeng Wu, Haishun |
author_sort | Zhao, Man |
collection | PubMed |
description | Improving the ferromagnetism properties of pure carbon-based materials is extremely important for their application in spintronics. Hydrogenation of graphene is an effective way to induce magnetic moment into graphene with the advantage of reversibility. However, little experimental work has been done to prove the effect of hydrogen on the magnetic properties of graphene so far, except for systems containing a large amount of oxygen or plasma-induced vacancy which complicated the magnetic origin. Here we report a facile electrochemical cathodic method to generate hydrogenated multilayer graphene or few-layer graphite using graphite powder as the raw material, and observed hydrogen-induced ferromagnetism in samples annealed at different temperatures. The observed results suggest that ferromagnetism of hydrogenated multilayer graphene can be tuned by high temperature treatment, which is attributed to a changeable relative amount of hydrogen atoms chemisorpted on two different sublattices during thermal treatment. |
format | Online Article Text |
id | pubmed-9079760 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | The Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-90797602022-05-09 Temperature-tuned ferromagnetism in hydrogenated multilayer graphene Zhao, Man Xiao, He Chen, Shuai Hu, Tianjun Jia, Jianfeng Wu, Haishun RSC Adv Chemistry Improving the ferromagnetism properties of pure carbon-based materials is extremely important for their application in spintronics. Hydrogenation of graphene is an effective way to induce magnetic moment into graphene with the advantage of reversibility. However, little experimental work has been done to prove the effect of hydrogen on the magnetic properties of graphene so far, except for systems containing a large amount of oxygen or plasma-induced vacancy which complicated the magnetic origin. Here we report a facile electrochemical cathodic method to generate hydrogenated multilayer graphene or few-layer graphite using graphite powder as the raw material, and observed hydrogen-induced ferromagnetism in samples annealed at different temperatures. The observed results suggest that ferromagnetism of hydrogenated multilayer graphene can be tuned by high temperature treatment, which is attributed to a changeable relative amount of hydrogen atoms chemisorpted on two different sublattices during thermal treatment. The Royal Society of Chemistry 2018-04-09 /pmc/articles/PMC9079760/ /pubmed/35542517 http://dx.doi.org/10.1039/c8ra02648c Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by/3.0/ |
spellingShingle | Chemistry Zhao, Man Xiao, He Chen, Shuai Hu, Tianjun Jia, Jianfeng Wu, Haishun Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title | Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title_full | Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title_fullStr | Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title_full_unstemmed | Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title_short | Temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
title_sort | temperature-tuned ferromagnetism in hydrogenated multilayer graphene |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9079760/ https://www.ncbi.nlm.nih.gov/pubmed/35542517 http://dx.doi.org/10.1039/c8ra02648c |
work_keys_str_mv | AT zhaoman temperaturetunedferromagnetisminhydrogenatedmultilayergraphene AT xiaohe temperaturetunedferromagnetisminhydrogenatedmultilayergraphene AT chenshuai temperaturetunedferromagnetisminhydrogenatedmultilayergraphene AT hutianjun temperaturetunedferromagnetisminhydrogenatedmultilayergraphene AT jiajianfeng temperaturetunedferromagnetisminhydrogenatedmultilayergraphene AT wuhaishun temperaturetunedferromagnetisminhydrogenatedmultilayergraphene |