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Related papers: Engineering the Magnetocaloric Effect in Nd$T_4$B

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Structural, magnetic and magnetocaloric properties of Mn2-xCrxSb compounds have been studied. In these compounds a first order magnetic phase transition from the ferrimagnetic to the antiferromagnetic state occurs with decreasing…

Materials Science · Physics 2014-10-01 L. Caron , X. F. Miao , J. C. P Klaasse , S. Gama , E. Brück

We report on structural, magnetic and magnetocaloric properties of MnxFe1.95-xP0.50Si0.50 (x > 1.10) compounds. With increasing the Mn:Fe ratio, a first-order magneto-elastic transition gradually changes into a first-order…

Materials Science · Physics 2012-06-01 N. H. Dung , L. Zhang , Z. Q. Ou , E. Brück

The magnetocaloric effect is the isothermal change of magnetic entropy and the adiabatic temperature change induced in a magnetic material when an external magnetic field is applied. In this work, we present an experimental setup to study…

Strongly Correlated Electrons · Physics 2015-05-30 Yamila Rotstein Habarnau , Pablo Bergamasco , Joaquin Sacanell , Gabriela Leyva , Cecilia Albornoz , Mariano Quintero

We present a comprehensive experimental study of magnetization and magnetocaloric effect (MCE) in double perovskite (DP) materials $R_2$NiMnO$_6$ with $R =$ Pr, Nd, Sm, Gd, Tb, and Dy. While a paramagnetic to ferromagnetic transition, with…

Strongly Correlated Electrons · Physics 2021-12-30 Anzar Ali , Kanika Pasrija , Gyaneshwar Sharma , Sanjeev Kumar , Yogesh Singh

Ni-Mn based ternary Heusler compounds have drawn attentions lately as significant magneto-caloric effects in some of them have been observed. Substitution of Ni and Mn by other $3d$ transition metals in controlled quantity have turned out…

Materials Science · Physics 2020-01-29 Sheuly Ghosh , Subhradip Ghosh

Magnetocaloric microwires are very promising for energy-efficient magnetic refrigeration in micro electromechanical systems (MEMS) and nano electromechanical systems (NEMS). Creating microwires that exhibit large magnetocaloric effects…

Applied Physics · Physics 2023-12-18 Lin Luo , Hongxian Shen , Lunyong Zhang , Yongjiang Huang , Jianfei Sun , Manh-Huong Phan

We report the detailed study of the magnetocaloric effect (MCE) in a dipolar-Heisenberg magnet LiGdF$_4$ using magnetization measurements performed on a single crystal sample. Entropy variation on isothermal demagnetization from the…

Strongly Correlated Electrons · Physics 2023-07-25 G. Iu. Andreev , I. V. Romanova , O. A. Morozov , S. L. Korableva , R. G. Batulin , V. N. Glazkov , S. S. Sosin

Neutron diffraction and magnetization measurements of the magneto refrigerant Mn1+yFe1-yP1-xGex reveal that the ferromagnetic and paramagnetic phases correspond to two very distinct crystal structures, with the magnetic entropy change as a…

The rotating magnetocaloric effect (RMCE) induced by self-demagnetization has been investigated in the giant magnetocaloric effect (GMCE) material Gd$_5$Si$_2$Ge$_2$. This shape-dependent effect had thus far only been reported in pure Gd,…

The inverse magnetocaloric effect taking place at the antiferro-to-ferromagnetic transition of (Co,Fe)MnP phosphides has been characterized by magnetic and direct {\Delta}Tad measurements. In Co0.53Fe0.47MnP, entropy change of 1.5 Jkg-1K-1…

Materials Science · Physics 2015-06-17 F. Guillou , E. Brueck

The RE$_{5}$Pt$_2$In$_4$ (RE = Gd-Tm) rare earth compounds have been investigated by means of X-ray diffraction (XRD) as well as by DC and AC magnetometric measurements. The compounds crystallize in an orthorhombic crystal structure of the…

Materials Science · Physics 2023-04-26 Altifani Rizky Hayyu , Stanisław Baran , Andrzej Szytuła

At certain compositions Ni-Mn-$X$ Heusler alloys ($X$: group IIIA-VA elements) undergo martensitic transformations, and many of them exhibit inverse magnetocaloric effects. In alloys where $X$ is Sn, the isothermal entropy change is largest…

Materials Science · Physics 2009-11-13 Thorsten Krenke , Eyup Duman , Mehmet Acet , Xavier Moya , Lluis Manosa , Antoni Planes

We report magnetic and magnetocaloric properties of Sm0.6-xLaxSr0.4MnO3 (x = 0-0.6). A rapid increase around TC and an anomalous peak at a temperature T*<<TC occur in magnetization which lead to normal and inverse magnetocaloric effects…

Materials Science · Physics 2011-07-19 V. B. Naik , R. Mahendiran

The compounds, PrCo9Si4 and NdCo9Si4, have been recently reported to exhibit first-order ferromagnetic transitions near 24 K. We have subjected this compound for further characterization by magnetization, heat-capacity and electrical…

Materials Science · Physics 2009-11-13 Niharika Mohapatra , E. V. Sampathkumaran

Magnetic refrigeration exploits the magnetocaloric effect which is the entropy change upon application and removal of magnetic fields in materials, providing an alternate path for refrigeration other than the conventional gas cycles. While…

The multicaloric effect, which represents the reversible entropy change that occurs when both external magnetic and electric fields are applied, is an interesting phenomenon characteristic to multiferroics. Targeting the multicaloric effect…

The transition metal selenides (MxSey) have gained attention for their unique physical and chemical properties, especially those associated with the transition metal (M). Despite advancements in synthesis, fabricating these selenides is…

Materials Science · Physics 2025-01-28 Monika Ghalawat , Inderjeet Chauhan , Dinesh Singh , Chinnakonda S. Gopinath , Pankaj Poddar

Structural, magnetic and magnetocaloric properties of Fe2P-based Mn-Fe-P-Si compounds were investigated. The study reveals a large magneto-elastic coupling that starts to develop in the paramagnetic state and grows when the ferromagnetic…

Materials Science · Physics 2012-09-25 Nguyen Huu Dung , Lian Zhang , Zhi Qiang Ou , Ekkes Brück

Differential scanning calorimetry (DSC) and magnetic measurements were performed to study the influence of ferromagnetic 3-d transition elements Fe and Co on structural and magnetic properties of ferromagnetic shape memory alloys Ni2MnGa.…

Materials Science · Physics 2007-05-23 V. V. Khovailo , T. Abe , V. V. Koledov , M. Matsumoto , H. Nakamura , R. Note , M. Ohtsuka , V. G. Shavrov , T. Takagi

We report the magnetocaloric effect (MCE) in a polycrystalline plumbide sample of $\mathrm{Ho_2Pd_2Pb}$. Arc-melted $\mathrm{Ho_2Pd_2Pb}$ crystallizes in $\mathrm{Mo_2B_2Fe}$ type of tetragonal crystal structure and shows an…

Strongly Correlated Electrons · Physics 2021-09-21 Baidyanath Sahu , R. Djoumessi Fobasso , Buyisiwe M Sondezi , Andre M. Strydom