Flicker noise and magnetic resolution of graphene hall sensors at low frequency

Huilong Xu; Le Huang; Zhiyong Zhang; Bingyan Chen; Hua Zhong; Lian Mao Peng

doi:10.1063/1.4821270

Flicker noise and magnetic resolution of graphene hall sensors at low frequency

Huilong Xu
, Le Huang
, Zhiyong Zhang^*
, Bingyan Chen
, Hua Zhong
, Lian Mao Peng

^*此作品的通讯作者

Peking University

科研成果: 期刊稿件 › 文章 › 同行评审

54 引用（Scopus）

摘要

Hall elements fabricated on chemical vapor deposited graphene exhibited high current- and voltage-related sensitivities due to its low intrinsic carrier density and high mobility about 5000 cm²/V s. Electric noise of the Hall elements was measured at room temperature and found to be largely Flicker noise at low frequency which can be well described by Hooge's empirical relation with a low noise parameter of about 1.8 × 10^-4. The combination of high sensitivity and low noise in graphene Hall elements leads to a high room temperature magnetic resolution of about 5 × 10^-3 G/Hz^0.5 at 3 kHz.

源语言	英语
文章编号	112405
期刊	Applied Physics Letters
卷	103
期	11
DOI	https://doi.org/10.1063/1.4821270
出版状态	已出版 - 9 9月 2013
已对外发布	是

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abstract = "Hall elements fabricated on chemical vapor deposited graphene exhibited high current- and voltage-related sensitivities due to its low intrinsic carrier density and high mobility about 5000 cm2/V s. Electric noise of the Hall elements was measured at room temperature and found to be largely Flicker noise at low frequency which can be well described by Hooge's empirical relation with a low noise parameter of about 1.8 × 10-4. The combination of high sensitivity and low noise in graphene Hall elements leads to a high room temperature magnetic resolution of about 5 × 10-3 G/Hz0.5 at 3 kHz.",

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AU - Xu, Huilong

AU - Huang, Le

AU - Zhang, Zhiyong

AU - Chen, Bingyan

AU - Zhong, Hua

AU - Peng, Lian Mao

PY - 2013/9/9

Y1 - 2013/9/9

N2 - Hall elements fabricated on chemical vapor deposited graphene exhibited high current- and voltage-related sensitivities due to its low intrinsic carrier density and high mobility about 5000 cm2/V s. Electric noise of the Hall elements was measured at room temperature and found to be largely Flicker noise at low frequency which can be well described by Hooge's empirical relation with a low noise parameter of about 1.8 × 10-4. The combination of high sensitivity and low noise in graphene Hall elements leads to a high room temperature magnetic resolution of about 5 × 10-3 G/Hz0.5 at 3 kHz.

AB - Hall elements fabricated on chemical vapor deposited graphene exhibited high current- and voltage-related sensitivities due to its low intrinsic carrier density and high mobility about 5000 cm2/V s. Electric noise of the Hall elements was measured at room temperature and found to be largely Flicker noise at low frequency which can be well described by Hooge's empirical relation with a low noise parameter of about 1.8 × 10-4. The combination of high sensitivity and low noise in graphene Hall elements leads to a high room temperature magnetic resolution of about 5 × 10-3 G/Hz0.5 at 3 kHz.

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Flicker noise and magnetic resolution of graphene hall sensors at low frequency

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