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Nanoscopic magnetic field sensor based on extraordinary magnetoresistance

Research output: Contribution to journalJournal articlepeer-review

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  • S. A. Solin
  • D. R. Hines
  • A. C. H. Rowe
  • Jaw-Shen Tsai
  • Yuri Pashkin
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<mark>Journal publication date</mark>11/2003
<mark>Journal</mark>Journal of Vacuum Science and Technology B
Issue number6
Volume21
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The design, fabrication, and performance of a nanoscopic magnetic field sensor based on the newly discovered phenomenon of extraordinary magnetoresistance (EMR) are reported. It is shown that a sensor with an active volume of 35 nm length×30 nm width×20 nm35 nm length×30 nm width×20 nm height yields room temperature EMR values as high as 35% at an applied field of 0.05 T. The mesoscopic physics implications of these new results are discussed.