Sulfur Doping Induces Strong Ferromagnetic Ordering in Graphene: Effect of Concentration and Substitution Mechanism

被引：101

作者：

Tucek, Jiri ^{[1
]}

Blonski, Piotr ^{[1
]}

Sofer, Zdenek ^{[2
]}

Simek, Petr ^{[2
]}

Petr, Martin ^{[1
]}

Pumera, Martin ^{[3
]}

Otyepka, Michal ^{[1
]}

Zboril, Radek ^{[1
]}

机构：

[1] Palacky Univ, Fac Sci, Dept Phys Chem, Reg Ctr Adv Technol & Mat, Slechtitelu 27, Olomouc 78371, Czech Republic

[2] Univ Chem & Technol Prague, Dept Inorgan Chem, Tech 5, Prague 16628 6, Czech Republic

[3] Nanyang Technol Univ, Sch Phys & Math Sci, Div Chem & Biol Chem, Singapore 637371, Singapore

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 25期

关键词：

DOPED GRAPHENE; TEMPERATURE FERROMAGNETISM; MAGNETIC-PROPERTIES; POINT-DEFECTS; ZIGZAG EDGES; NITROGEN; OXIDE; CARBON; NANORIBBONS; ELECTRONS;

D O I：

10.1002/adma.201600939

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Imprinting ferromagnetism to a graphene structure by substitution of carbon atoms with sulfur is reported. S-doped graphene (4.2 at%) shows strong ferromagnetic properties with saturation magnetization exceeding 5.5 emu g(-1) at 2 K, which is among the highest values reported for any sp-based system. The remarkable magnetic response is attributed to delocalization of electrons from sulfur injected into the graphene conduction band.

引用

页码：5045 / 5053

页数：9

共 14 条

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