Elevated giant magneto-impedance in amorphous metallical co-dased alloys

• Autorzy: Poperenko L. V. , Manko D. Y.
• Konferencja: 8th International Conference on Global Research and Education – Inter-Academia 2009
• Języki publikacji: EN

Abstrakty

EN

This paper reviews results of an enhancement of giant magneto-impedance (GMI) in cobalt-rich amorphous glassy alloys. There are several ways of GMI increasing, namely: thermal, cryogenic and laser treatment. The results are explained via structural changes of ribbons surface and magnetio-optical properties. This phenomenon is interpreted via classical electromagnetic terms. The role of a conductive intermediate film in three-layer sandwich structures is also revealed. Such structure consisting of two cobalt-based ferromagnetic films and a conductive inner film of amorphous nickel shows significant increase of GMI ratio in comparison to a single layer. GMI enhancement makes possible to create new types of high sensitive magnetic field sensors. The investigation of evaluation processes after the ribbons treatment substantiates to clear understanding the nature of GMI.

Słowa kluczowe

EN

amorphous metallic alloys; giant magneto-impedance; laser and thermal annealing; cryogenic treatment; three-layer structures

• Wydawca: Łukasiewicz Industrial Research Institute for Automation and Measurements PIAP
• Czasopismo: Journal of Automation Mobile Robotics and Intelligent Systems
• Rocznik: 2009
• Tom: Vol. 3, No. 4
• Strony: 12--14
• Opis fizyczny: Bibliogr. 11 poz., rys.

Twórcy

autor

Poperenko L. V.

autor

Manko D. Y.

• Department, Taras Shevchenko Kiev National University, Kiev, 03187, Ukraine,

Bibliografia

• [1]Marin P., Hernando A., “Applications of amorphous and nanocrystalline magnetic materials”,J. Magn. Magn. Mater., vol. 215-216, 2000, pp. 729-734.
• [2] Panina L.V., Mohri K., Bushida K., Noda M., “Giant magneto-impedance and magneto-inductive effects in amorphous alloys”, J. Appl. Phys., vol. 76, 1994, pp. 6198-6203.
• [3] Knobel M., Pirota K.R., “Giant magnetoimpedance: Concepts and recent progress”, J. Magn. Magn. Mater., vol. 242, 2002, pp. 33-40.
• [4] Bulavin L.A., Kravets V.G., Vinnichenko K.L., Manko D.Yu.,”Optical Properties of Amorphous Co-Containing Alloys in the IR Region of the Spectrum and Their Magnetoresistive Characteristics”, vol. 68, no. 5, 2001 pp. 599-604.
• [5] Brunetti L., Tiberto P., Vinai F., Chiriac H., “High frequency giant magnetoimpedance in joule-heated Cobased amorphous ribbons and wires”,Mater. Sci. Eng., vol. 304-306, 2000, pp. 961-964.
• [6] Kurlyandskaya G.V., Barandiaran J.M., Vazquez M., Garcia D., Dmitrieva N.V., ”Influence of gemetrical parameters on the giant magnetoimpedance response in amorphous ribbons”, J. Magn. Magn. Mater., vol. 215-216, 2000, pp. 740-742.
• [7] Makhnovskiy D.P., Panina L.V., “Size effect on magneto-impedance in layered films”, Sensors and Actuators, vol. 81, 2000, pp. 91-94
• [8] Hye-S K., Heebok L., Kyeongsup K., Seong-Cho Y., Yong-Kook K., “Temperature dependence of the magnetoimpedance effect in nanocrystalline Fe Zr B Cu Al alloy”,Journal of Alloys and Compounds , vol 326, 2001, pp. 309-312.
• [9] Kravets V.G., Petford-Long A.K., Portier X., Poperenko L.V., Kolesnik M., “The optical and magneto-optical properties and magnetoresistance of amorphous CoFeNiSiB alloys”, vol. 217,J. Magn. Magn. Mater., 2000, pp. 129-138.
• [10] Panina L.V., Mohri K., “Magneto-impedance in multilayer films”, Sensors and Actuators, vol. 81, 2000, pp. 71-77.
• [11] Wang X.Z., Yuan W.Z., Li X.D., Ruan J.Z., Zhao Z.J., Yang J.X., Yang X.L., Sun Z., “Enhancement of giant magnetoimpedance in composite wire with insulator layer”,J. Magn. Magn. Mater. , vol. 308, 2007, pp. 269-272.