Batch-fabricated high-performance graphene Hall elements

Hall elements are by far the most widely used magnetic sensor. In general, the higher the mobility and the thinner the active region of the semiconductor used, the better the Hall device. While most common magnetic field sensors are Si-based Hall sensors, devices made from III-V compounds tend to fa...

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Bibliographic Details
Published inScientific reports Vol. 3; no. 1; p. 1207
Main Authors Xu, Huilong, Zhang, Zhiyong, Shi, Runbo, Liu, Honggang, Wang, Zhenxing, Wang, Sheng, Peng, Lian-Mao
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 04.02.2013
Nature Publishing Group
Subjects
639/301/1005/1007
639/301/1005/1009
639/301/357/1018
639/301/357/995
Circuits
Electrons
Humanities and Social Sciences
Mobility
multidisciplinary
Science
Sensors
Signal processing
Thermal stability
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Summary:Hall elements are by far the most widely used magnetic sensor. In general, the higher the mobility and the thinner the active region of the semiconductor used, the better the Hall device. While most common magnetic field sensors are Si-based Hall sensors, devices made from III-V compounds tend to favor over that based on Si. However these devices are more expensive and difficult to manufacture than Si and hard to be integrated with signal-processing circuits for extending function and enforcing performance. In this article we show that graphene is intrinsically an ideal material for Hall elements which may harness the remarkable properties of graphene, i.e. extremely high carrier mobility and atomically thin active body, to create ideal magnetic sensors with high sensitivity, excellent linearity and remarkable thermal stability.
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ISSN:2045-2322
2045-2322
DOI:10.1038/srep01207