Magnetically Bistable Microwires: Properties and Applications for Magnetic Field, Temperature, and Stress Sensing

  • Rastislav VargaEmail author
  • Peter Klein
  • Rudolf Sabol
  • Kornel Richter
  • Radovan Hudak
  • Irenej Polaček
  • Dušan Praslicka
  • Miroslav Šmelko
  • Jozef Hudak
  • Ivan Mikita
  • Giovanni Andrea Badini-Confalonieri
  • Rhimou El Kammouni
  • Manuel Vazquez
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 252)


Amorphous glass-coated microwires with positive magnetostriction are characterized by the magnetic bistability where the switching between the two stable magnetic states appears at the switching field. The switching field is sensitive to the external parameters like magnetic field, temperature, mechanical stress, etc., which gives us possibility to employ the microwires as a miniaturized sensing elements for the mentioned parameters.

Apart from this, there are many other advantages of microwires: the small dimensions (which allows them to be introduced inside various materials), glass-coating (that provides biocompatibility and protection against chemically aggressive environment), magnetic nature (for contactless sensing), simple production process (that allows very efficient production of large amount of wires in a short time), and many more favorable properties.

Within this chapter an overview of various parameters that affect the switching field of bistable microwires is given. Four different possibilities to use bistable microwires as sensors are shown: sensors of magnetic field, wide-range temperature sensors, selected temperature sensors for biomedical applications as well as stress sensor. At the end of each section, real applications of such sensors are demonstrated.


Domain Wall Curie Temperature Stress Dependence Switching Field Magnetoelastic Interaction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the project NanoCEXmat Nr. ITMS 26220120019, Slovak VEGA Grant Nos. 1/0164/16, 2/0192/13, APVV-0027-11, APVV-0266-10, and APVV-0492-11.


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Rastislav Varga
    • 1
    • 2
    Email author
  • Peter Klein
    • 1
    • 2
  • Rudolf Sabol
    • 1
    • 2
  • Kornel Richter
    • 1
  • Radovan Hudak
    • 3
  • Irenej Polaček
    • 3
  • Dušan Praslicka
    • 4
  • Miroslav Šmelko
    • 4
  • Jozef Hudak
    • 4
  • Ivan Mikita
    • 4
  • Giovanni Andrea Badini-Confalonieri
    • 5
  • Rhimou El Kammouni
    • 5
  • Manuel Vazquez
    • 5
  1. 1.Faculty of ScienceInstitute of Physics, UPJSKošiceSlovakia
  2. 2.RVmagnetics s.r.o.KosiceSlovakia
  3. 3.Department of Biomedical Engineering and Measurement, Faculty of Mechanical EngineeringTechnical University of KošiceKošiceSlovakia
  4. 4.Department of Aviation Technical Studies, Faculty of AeronauticsTechnical University of KošiceKošiceSlovakia
  5. 5.Instituto de Ciencia de Materiales de Madrid, CSICMadridSpain

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