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  1. No Access

    Article

    Effect of Gadolinium Do** on the Structural and Electrical Properties of Pr0.5−x Gd x Sr0.5MnO3(x = 0.0 − 0.1) Manganites

    We have investigated the effect of gadolinium do** on the structural and electrical properties of Pr0.5−x Gd x Sr0.5MnO3(x=0.0−0.1) manganites. Our sam...

    M. Bourouina, A. Krichene, R. Thaljaoui… in Journal of Superconductivity and Novel Mag… (2015)

  2. No Access

    Article

    Magnetocaloric study of monovalent-doped manganites Pr0.6Sr0.4−x Na x MnO3 (x = 0–0.2)

    A systematic investigation of structural, magnetic, and magnetocaloric properties is reported for a series of monovalent sodium-doped manganites Pr0.6Sr0.4−x Na x ...

    R. Thaljaoui, W. Boujelben, K. Pękała, M. Pękała… in Journal of Materials Science (2013)

  3. No Access

    Article

    Structural and Electrical Properties of Monovalent Doped Manganites Pr0.6Sr0.4−x K x MnO3 (x=0, 0.05 and 0.1)

    Structural and electrical properties of the mixed-valence monovalent doped manganites Pr0.6Sr0.4−x K x MnO3 (x=0, 0.05 and 0.1), prepared using the conven...

    R. Thaljaoui, W. Boujelben, M. Pękała… in Journal of Superconductivity and Novel Mag… (2013)

  4. No Access

    Article

    Magnetocaloric effect in nano- and polycrystalline manganite La0.7Ca0.3MnO3

    La0.7Ca0.3MnO3 samples were prepared in nano- and polycrystalline forms by the sol–gel and solid state reaction methods, respectively, and structurally characterized by synchrotron X-ray diffraction. The magnetic...

    M. Pękała, V. Drozd, J.F. Fagnard, P. Vanderbemden, M. Ausloos in Applied Physics A (2008)

  5. No Access

    Article

    Hyperfine interactions, structure and magnetic properties of nanocrystalline Co–Fe–Ni alloys prepared by mechanical alloying

    Mechanical alloying method was used to prepare nanocrystalline Co50Fe40Ni10, Co52Fe26Ni22 and Co65Fe23Ni12 alloys. X-ray diffraction proved that during milling Co–Fe-based solid solution with b.c.c. lattice was f...

    E. Jartych, J. K. Żurawicz, D. Oleszak, M. Pękała in Hyperfine Interactions (2006)

  6. No Access

    Article

    Electrical and Magnetic Study of Bulk Amorphous Alloys Fe-Al-Ga-P-B-Si

    Bulk amorphous alloys Fe-Al-Ga-P-B-Si were prepared by a single-roller melt spinning method. Electrical resistivity of alloys is of the order of 200 μΩcm. The structural and magnetic components of resistivity are...

    K. Pękała, P. Jaśkiewicz, J. Grabski, J. Latuch… in Czechoslovak Journal of Physics (2002)

  7. No Access

    Chapter

    Crystallization of Nanocrystalline Alloys Studied by Electron Transport, Magnetic and Dilatometric Methods

    Amorphous alloys Fe77.5−xMxSi13.5B9 (M = Cu, Nb and Ta) transforming to the nanocrystalline phase exhibit during crystallization a specific behaviour of electrical resistivity due to the electron scattering on th...

    K. Pękała, M. Pękała, P. Jaśkiewicz… in Mechanical Properties and Deformation Beha… (1993)

  8. No Access

    Chapter

    Crystallization Kinetics of Metallic Glasses Co78−xFexSi9B13 Probed by Electrical Resistivity and Magnetization

    Metallic glasses are metallic alloys distinguished by lack of a long range order of atoms. Their unique physical properties are caused by both the topological and chemical disorder in amorphous structure 1. Namel...

    K. Pękała, M. Pękała, P. Jaśkiewicz… in Time-Dependent Effects in Disordered Mater… (1987)