Large tunable linear magnetoresistance in gold nanoparticle decorated graphene

被引：15

作者：

Jia, Zhenzhao

Zhang, Rui

Han, Qi

Yan, Qiaojing

Zhu, Rui

Yu, Dapeng

Wu, Xiaosong ^{[1
]}

机构：

[1] Peking Univ, State Key Lab Artificial Microstruct & Mesoscop P, Beijing 100871, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 14期

关键词：

SCATTERING; TRANSPORT; CONDUCTOR;

D O I：

10.1063/1.4897277

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose and demonstrate gold nanoparticle decorated graphene as an ideal system for studying carrier inhomogeneity induced magnetoresistance. Large linear magnetoresistance has been realized in the system and the magnitude can be tuned by a gate. By detailed study, we provide an empirical expression, which reveals the dependence of the magnetoresistance on density fluctuations and mobility. The induced magnetoresistance is temperature independent and can be strongly enhanced by the high mobility of graphene, hence offers potential for magnetic sensor applications. (C) 2014 AIP Publishing LLC.

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页数：5

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