Geodesic
Magnetic and magnetothermal properties of Nd(Co$_{1-x}$Fe$_x$)$_2$ ($x\leq 0.16$) compounds
Čelâbinskij fiziko-matematičeskij žurnal, Tome 6 (2021) no. 2, pp. 217-225

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We present the results of measurements of the specific magnetization, high-field susceptibility, and magnetocaloric effect (MCE) of Nd(Co$_{1-x}$Fe$_x$)$_2$ compounds when Co is replaced by Fe in the concentration range $x = 0$–$0.16$. The phase composition was controlled by X-ray structural analysis. MCE was studied in the temperature range $5$–$320$ K in magnetic fields up to $7200$ kA/m based on the calculation of the magnetic entropy change ($\Delta S_m$). It was found that, in contrast to the table-like dependences of the MCE in $R$(Co-Fe)$_2$ compounds with heavy rare-earth metals ($R$), for the presented samples there are two separate peaks of $\Delta S_m(T)$, the first one in the vicinity of the Curie temperature, the second one in the vicinity of the spin-reorientation transition. In addition, for all studied compounds, a reverse MCE was found at temperatures below the spin-reorientation transition.
Keywords: magnetic properties, inverse magnetocaloric effect, magnetic entropy change, Laves phase. 
@article{CHFMJ_2021_6_2_a6,
     author = {M. S. Anikin and E. N. Tarasov and M. A. Semkin and A. S. Volegov and E. V. Potapov and N. V. Selezneva and A. V. Zinin},
     title = {Magnetic and magnetothermal properties of {Nd(Co}$_{1-x}${Fe}$_x$)$_2$ ($x\leq 0.16$) compounds},
     journal = {\v{C}el\^abinskij fiziko-matemati\v{c}eskij \v{z}urnal},
     pages = {217--225},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_2_a6/}
}
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M. S. Anikin; E. N. Tarasov; M. A. Semkin; A. S. Volegov; E. V. Potapov; N. V. Selezneva; A. V. Zinin. Magnetic and magnetothermal properties of Nd(Co$_{1-x}$Fe$_x$)$_2$ ($x\leq 0.16$) compounds. Čelâbinskij fiziko-matematičeskij žurnal, Tome 6 (2021) no. 2, pp. 217-225. http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_2_a6/