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Applied Physics Letters / Volume 96 / Issue 26 / MAGNETISM AND SUPERCONDUCTIVITY

Appl. Phys. Lett. 96, 262512 (2010); http://dx.doi.org/10.1063/1.3459140 (3 pages)

High magnetomechanical coupling on magnetic microwire for sensors with biological applications

P. Marín, M. Marcos, and A. Hernando

Departamento de Física de Materiales, Instituto de Magnetismo Aplicado, UCM-ADIF-CSIC, UCM, P.O. Box 155, Las Rozas, Madrid 28230, Spain

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(Received 1 June 2010; accepted 11 June 2010; published online 2 July 2010)

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.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

biological techniques, magnetoelastic effects, microsensors, viscosity measurement

PACS

  • 07.10.Cm

    Micromechanical devices and systems

  • 83.85.Jn

    Viscosity measurements

  • 87.64.-t

    Spectroscopic and microscopic techniques in biophysics and medical physics

  • 07.07.Df

    Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing

  • 75.80.+q

    Magnetomechanical effects, magnetostriction

  • 85.85.+j

    Micro- and nano-electromechanical systems (MEMS/NEMS) and devices

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3459140

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    C. A. Grimes, D. Kouzoudis, and C. Mungle, Rev. Sci. Instrum. 71, 3822 (2000)RSINAK000071000010003822000001.

    M. Vázquez, P. Marín, H. A. Davies, and A. O. Olofinjana, Appl. Phys. Lett. 64, 3184 (1994)APPLAB000064000023003184000001.

    C. Gómez-Polo, D. Holzer, M. Multigner, E. Navarro, P. Agudo, A. Hernando, M. Vázquez, H. Sassik, and R. Grossinger, Phys. Rev. B 53, 3392 (1996).


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