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High magnetomechanical coupling on magnetic microwire for sensors with biological applications

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Marín Palacios, María Pilar and Marcos, M. and Hernando Grande, Antonio (2010) High magnetomechanical coupling on magnetic microwire for sensors with biological applications. Applied physics letters, 96 (26). ISSN 0003-6951

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Official URL: http://dx.doi.org/10.1063/1.3459140


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Abstract

In this letter, we report the experimental work carried out to study and improve the magnetomechanical coupling on magnetic microwires. A good magnetoelastic response, with magnetoelastic coupling factor k=0.43, has been obtained by control of both wire diameter and sample microstructure. The study addresses two following aspects: (a) analysis of the suitability of amorphous magnetoelastic microwire as promising tiny sensor element to be used as wireless biosensors as well as environment detectors. In particular, its potential as liquids viscosity sensor has been confirmed. (b) Study, as the first time in this kind of magnetic microwire, of the effects of nanocrystallization on the sample magnetoelastic behavior.


Item Type:Article
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©2010 American Institute of Physics.
Authors want to acknowledge Micromag 2000, S.L. for microwire supply and Professor G. Rivero for his interesting contributions during discussions. This work has been supported by the MEC of Spain Contract Nos. CSD2007-0010 and MAT2009-14741-C02-01.

Uncontrolled Keywords:Magnetoelastic sensors; Salmonella-typhimurium; Amorphous wires; Wireless; Biosensor; Modulus; Liquid; Alloys
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:44083
Deposited On:24 Aug 2017 14:46
Last Modified:04 Sep 2017 10:17

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