Noise in mesoscale magnetic dots from random telegraph noise to 1/f noise

Barry N. Costanzi; Daniel E. Endean; E. Dan Dahlberg

doi:10.1109/TMAG.2018.2864118

Noise in mesoscale magnetic dots from random telegraph noise to 1/f noise

Barry N. Costanzi
, Daniel E. Endean
, E. Dan Dahlberg

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The noise in permalloy magnetic square shaped dots and chains of dots has been investigated. With the application of a magnetic field to control the energy barriers, individual dots exhibit random telegraph noise (RTN). The noise spectrum of chains of dots, the superposition of the RTN of individual dots, exhibits a 1/ ${f}$ noise spectrum.

Original language	English (US)
Article number	8456545
Journal	IEEE Transactions on Magnetics
Volume	55
Issue number	2
DOIs	https://doi.org/10.1109/TMAG.2018.2864118
State	Published - Feb 2019

Bibliographical note

Publisher Copyright:
© 1965-2012 IEEE.

Keywords

1/f noise
Magnetic noise
Mesoscale magnetic dots
Random telegraph noise (rtn)

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10.1109/TMAG.2018.2864118

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abstract = "The noise in permalloy magnetic square shaped dots and chains of dots has been investigated. With the application of a magnetic field to control the energy barriers, individual dots exhibit random telegraph noise (RTN). The noise spectrum of chains of dots, the superposition of the RTN of individual dots, exhibits a 1/ \$\{f\}\$ noise spectrum.",

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AU - Endean, Daniel E.

AU - Dahlberg, E. Dan

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N2 - The noise in permalloy magnetic square shaped dots and chains of dots has been investigated. With the application of a magnetic field to control the energy barriers, individual dots exhibit random telegraph noise (RTN). The noise spectrum of chains of dots, the superposition of the RTN of individual dots, exhibits a 1/ ${f}$ noise spectrum.

AB - The noise in permalloy magnetic square shaped dots and chains of dots has been investigated. With the application of a magnetic field to control the energy barriers, individual dots exhibit random telegraph noise (RTN). The noise spectrum of chains of dots, the superposition of the RTN of individual dots, exhibits a 1/ ${f}$ noise spectrum.

KW - 1/f noise

KW - Magnetic noise

KW - Mesoscale magnetic dots

KW - Random telegraph noise (rtn)

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Noise in mesoscale magnetic dots from random telegraph noise to 1/f noise

Abstract

Bibliographical note

Keywords

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