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Magnetic characterization and thermal stability of Gd50Co48Fe2 metallic glass

DOI: 10.12693/APhysPolA.137.914 DOI Help

Authors: M. Lisnichuk (P.J. Šafárik University; Institute of Materials Research, Slovak Academy of Sciences) , Y. Katuna (P.J. Šafárik University) , K. Saksl (P.J. Šafárik University; Institute of Materials Research, Slovak Academy of Sciences) , M. Fejercak (P.J. Šafárik University; Institute of Materials Research, Slovak Academy of Sciences) , M. Sulikova (P.J. Šafárik University) , S. Michalik (Diamond Light Source) , E. Čižmár (P.J. Šafárik University) , A. Kliuikov (P.J. Šafárik University) , V. Girman (P.J. Šafárik University) , S. Vorobiov (P.J. Šafárik University) , Z. Molčanová (Institute of Materials Research, Slovak Academy of Sciences) , B. Balloková (Institute of Materials Research, Slovak Academy of Sciences) , P. Sovák (P.J. Šafárik University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Acta Physica Polonica A , VOL 137 , PAGES 914 - 917

State: Published (Approved)
Published: May 2020
Diamond Proposal Number(s): 20770

Abstract: Solid phase stability and magneto-caloric effect of a ternary Gd50Co48Fe2 amorphous as-spun ribbons was studied in this work. The magnetization curve was measured at temperature range from 200 to 360 K. Subsequently the isothermal magnetization curves were measured as well at temperatures ranging from 200 to 350 K and at magnetic field between 1 to 5 T, using SQUID. Based on these experimental data, the magnetic entropy changes were determined. Thermal stability and phase composition of amorphous alloy was experimentally confirmed by difference scanning calorimetry and synchrotron X-ray diffraction. At elevated temperatures two crystallization events were observed. It has been found that the investigated alloy is a prospective aspirant for magnetic cooling devices.

Journal Keywords: magnetic properties; magneto-caloric effect; phase stability

Subject Areas: Materials, Physics


Instruments: I15-1-X-ray Pair Distribution Function (XPDF)

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