Experimental Research on Hall Effect of Graphene at Room-temperature

AN Nan; BAI Lang; LI Xiao-jun; LI Wei-long; REN Zhao-yu

doi:10.3788/fgxb20133401.0045

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Experimental Research on Hall Effect of Graphene at Room-temperature

Synthesis and Properties of Materials | 更新时间：2020-08-12

- Experimental Research on Hall Effect of Graphene at Room-temperature
- Chinese Journal of Luminescence Vol. 34, Issue 1, Pages: 45-48(2013)
- 作者机构：
  
  西北大学光子学与光子技术研究所, 陕西省光电技术与功能材料省部共建国家重点实验室培育基地,陕西西安,710069
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133401.0045
  CLC： O471.1
- Received：12 October 2012，
  
  Revised：03 November 2012，
  
  Published：10 January 2013
- 稿件说明：
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安楠, 白浪, 李小俊, 李渭龙, 任兆玉. 室温下石墨烯的霍尔效应实验研究[J]. 发光学报, 2013,(1): 45-48

AN Nan, BAI Lang, LI Xiao-jun, LI Wei-long, REN Zhao-yu. Experimental Research on Hall Effect of Graphene at Room-temperature[J]. Chinese Journal of Luminescence, 2013,(1): 45-48
安楠, 白浪, 李小俊, 李渭龙, 任兆玉. 室温下石墨烯的霍尔效应实验研究[J]. 发光学报, 2013,(1): 45-48 DOI： 10.3788/fgxb20133401.0045.

AN Nan, BAI Lang, LI Xiao-jun, LI Wei-long, REN Zhao-yu. Experimental Research on Hall Effect of Graphene at Room-temperature[J]. Chinese Journal of Luminescence, 2013,(1): 45-48 DOI： 10.3788/fgxb20133401.0045.

摘要

对用化学气相沉积法(CVD)研制的长、宽均为1.23cm

厚度为3个原子层尺寸的石墨烯样品

进行了室温下的霍尔效应相关研究。实验中电极与石墨烯之间有良好的欧姆接触。通过范德堡法测量了样品在磁场强度为0.353T

不同电流强度下的霍尔电压

并对结果进行处理分析

得到石墨烯的霍尔系数

=7.00×10

-7

/C、载流子浓度

=10.52×10

、霍尔元件乘积灵敏度

=6.87×10

/C。

Abstract

The grapheme samples were deposited on glass substrates by chemical vapor deposition(CVD). Both the length and width of graphene samples were 1.23 cm

and the thickness was 3 atomic layer thickness setting scales. The Hall effects at room temperature of the samples were studied. There was good ohmic contact between the sample and the electrode. By using van der Pauw method

the Hall voltage of the samples were measured under the magnetic field strength 0.353 T and different electric currents. The calculating results show that the graphene Hall coefficient

is 7.00×10

-7

the carrier concentration

is 10.52×10

and the Hall element production sensitivity

is 6.87×10

/C.

关键词

Keywords

references

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