Preparation and magnetic properties of highly nitrogen-containing nano-graphite

被引：0

作者：

Honda, Zentaro ^{[1
]}

Kikuchi, Satoshi ^{[1
]}

Hagiwara, Masayuki ^{[2
]}

Kida, Takanori ^{[2
]}

Sakai, Masamichi ^{[1
]}

Fukuda, Takeshi ^{[1
]}

Kamata, Norihiko ^{[1
]}

机构：

[1] Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, 255 Shimo Okubo, Saitama 3388570, Japan

[2] Osaka Univ, Grad Sch Sci, Ctr Adv High Magnet Field Sci, 1-1 Machikaneyama, Toyonaka, Osaka 5600043, Japan

来源：

SOLID STATE SCIENCES | 2017年 / 67卷

关键词：

Nano-graphite; Carbon materials; Magnetic susceptibilities; GRAPHENE;

D O I：

10.1016/j.solidstatesciences.2017.03.009

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We report on a simple method to fabricate a nitrogen N-containing nano-graphite with magnetic moments. By using chlorinated phthalonitrile as the building block and potassium K as the coupling reagent, a paramagnetic N-containing nano-graphite has been successfully prepared. From transmission electron microscopy images, X-ray photoelectron spectroscopy, and X-ray diffraction experiments, it is evident that the reaction product consists of randomly connected flakes of nano-graphite that contains large amount of N-decorated vacancy and edges. Interestingly, this N-containing nano-graphite shows a Curie like paramagnetism that originates isolated magnetic moments on N-decorated vacancies and edges. These results make the N-containing nano-graphite a promising candidate for versatile applications in the fields of magnetics and spintronics. (C) 2017 Elsevier Masson SAS. All rights reserved.

引用

页码：59 / 63

页数：5

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