Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape

Weddemann A, Auge A, Albon C, Wittbracht F, Hütten A (2010)
JOURNAL OF APPLIED PHYSICS 107(10): 104314.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
In this work, different approaches in order to enhance the sensitivity of tunnel magnetoresistive sensors are discussed by means of finite element simulations. Several sensor layouts consisting of a free CoFeB sensing layer and a pinned bottom electrode are investigated. A decrease in the detection threshold is predicted by introducing magnetic areas at the sensor boundaries which can be easily switched due to a combined interaction of exchange contribution and stray field coupling of the layers. (C) 2010 American Institute of Physics. [doi:10.1063/1.3427549]
Erscheinungsjahr
2010
Zeitschriftentitel
JOURNAL OF APPLIED PHYSICS
Band
107
Ausgabe
10
Art.-Nr.
104314
ISSN
0021-8979
Page URI
https://pub.uni-bielefeld.de/record/1795567

Zitieren

Weddemann A, Auge A, Albon C, Wittbracht F, Hütten A. Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape. JOURNAL OF APPLIED PHYSICS. 2010;107(10): 104314.
Weddemann, A., Auge, A., Albon, C., Wittbracht, F., & Hütten, A. (2010). Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape. JOURNAL OF APPLIED PHYSICS, 107(10), 104314. doi:10.1063/1.3427549
Weddemann, A., Auge, A., Albon, C., Wittbracht, F., and Hütten, A. (2010). Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape. JOURNAL OF APPLIED PHYSICS 107:104314.
Weddemann, A., et al., 2010. Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape. JOURNAL OF APPLIED PHYSICS, 107(10): 104314.
A. Weddemann, et al., “Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape”, JOURNAL OF APPLIED PHYSICS, vol. 107, 2010, : 104314.
Weddemann, A., Auge, A., Albon, C., Wittbracht, F., Hütten, A.: Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape. JOURNAL OF APPLIED PHYSICS. 107, : 104314 (2010).
Weddemann, Alexander, Auge, Alexander, Albon, Camelia, Wittbracht, Frank, and Hütten, Andreas. “Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape”. JOURNAL OF APPLIED PHYSICS 107.10 (2010): 104314.

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