Physical Properties of Sm1-xGdxNi4B compounds

Kantarci N., Nane O., ÖZÇELİK B., Kervan S., Agil H.

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, cilt.24, ss.793-799, 2011 (SCI-Expanded, Scopus)

Özet

Physical properties of the Sm1-x Gd (x) Ni4B (0 <= 1.0) compounds have been investigated by means of the X-ray powder diffraction, AC susceptibility techniques. All the compounds studied crystallize in CeCo4B type structure with P6/mmm space group. The substitution of Gd for Sm leads to a decrease of the unit-cell parameters a and the unit-cell volume V, while the unit-cell parameter c remains almost constant. Magnetic measurements present the visible magnetic phase transition, around definite transition temperatures. The magnetic phase transition temperatures are found at the temperature where the maximum of chi (ac)(T) occurs. We have obtained the transition temperatures for the samples x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 as 39, 37.77, 37.22, 36.75, 35.74, and 35.1 K, respectively.

Physical properties of the Sm1-x Gd (x) Ni4B (0 <= 1.0) compounds have been investigated by means of the X-ray powder diffraction, AC susceptibility techniques. All the compounds studied crystallize in CeCo4B type structure with P6/mmm space group. The substitution of Gd for Sm leads to a decrease of the unit-cell parameters a and the unit-cell volume V, while the unit-cell parameter c remains almost constant. Magnetic measurements present the visible magnetic phase transition, around definite transition temperatures. The magnetic phase transition temperatures are found at the temperature where the maximum of chi (ac)(T) occurs. We have obtained the transition temperatures for the samples x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 as 39, 37.77, 37.22, 36.75, 35.74, and 35.1 K, respectively