氨基型sp³缺陷在石墨烯中诱导磁矩的普适有效性。

Universal Effectiveness of Inducing Magnetic Moments in Graphene by Amino-Type sp³-Defects.

作者信息

Tang Tao, Wu Liting, Gao Shengqing, He Fang, Li Ming, Wen Jianfeng, Li Xinyu, Liu Fuchi

机构信息

College of Science & Key Laboratory of Nonferrous Materials and New Processing Technology, Guilin University of Technology, Guilin 541004, China.

College of Physics and Technology, Guangxi Normal University, Guilin 541004, China.

出版信息

Materials (Basel). 2018 Apr 17;11(4):616. doi: 10.3390/ma11040616.

DOI:10.3390/ma11040616

PMID:29673185

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5951500/

Abstract

Inducing magnetic moments in graphene is very important for its potential application in spintronics. Introducing sp³-defects on the graphene basal plane is deemed as the most promising approach to produce magnetic graphene. However, its universal validity has not been very well verified experimentally. By functionalization of approximately pure amino groups on graphene basal plane, a spin-generalization efficiency of ~1 μ/100 NH₂ was obtained for the first time, thus providing substantial evidence for the validity of inducing magnetic moments by sp³-defects. As well, amino groups provide another potential sp³-type candidate to prepare magnetic graphene.

摘要

在石墨烯中诱导磁矩对其在自旋电子学中的潜在应用非常重要。在石墨烯基面上引入sp³缺陷被认为是制备磁性石墨烯最有前景的方法。然而，其普遍有效性尚未得到很好的实验验证。通过在石墨烯基面上对近似纯氨基进行功能化，首次获得了约1 μ/100 NH₂的自旋泛化效率，从而为通过sp³缺陷诱导磁矩的有效性提供了大量证据。此外，氨基为制备磁性石墨烯提供了另一种潜在的sp³型候选物。