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Abstract

Structural, magnetic, and magnetostrictive properties of two-sublattice Tb 0.27Dy 0.73 (Fe 1−xAl x) 2 polycrystalline intermetallic ferrimagnets ( x = 0−0.2 and 1.0) were studied using X-ray powder diffraction, magnetometry, and strain gauge magnetostriction measurements. Temperature dependences of magnetization starting from 80 K were presented, and Curie temperatures were estimated. Coercive force, residual, and saturation magnetizations were determined from the magnetic hysteresis loops at room temperature. Longitudinal, transversal, form and volume magnetostrictions were investigated against the x parameter and the intensity of the magnetic field. The piezomagnetic coefficients were determined and the maximum value at the field below 1 kOe, even enhanced than that in Terfenol-D, was observed for the material Tb 0.27Dy 0.73 (Fe 0.9Al 0.1) 2. It means that this compound is promising for use in magnetoelectric composites.
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Authors and Affiliations

B. Winiarska
1
ORCID: ORCID
P. Guzdek
2
ORCID: ORCID
J. Kuciakowski
3 4
ORCID: ORCID
W. Tokarz
3
ORCID: ORCID
M. Sikora
4
ORCID: ORCID
J. Pszczoła
3
ORCID: ORCID

  1. Kazimierz Pulaski University of Technology and Humanities in Radom, ul. Malczewskiego 29, 26-600 Radom, Poland
  2. Łukasiewicz Research Network – Institute of Microelectronics and Photonics, Al. Lotników 32/46, 02-668 Warsaw, Poland
  3. AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. Mickiewicza 30, 30-059 Krakow, Poland
  4. Academic Centre for Materials and Nanotechnology AGH, Al. Mickiewicza 30, 30-059 Krakow, Poland

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