magnetocaloric properties
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Author(s):  
Komal Kanwar ◽  
M. Vasundhara ◽  
Sandeep Kumar ◽  
Pradip Kumar ◽  
S. D. Kaushik ◽  
...  

2022 ◽  
pp. 106806
Author(s):  
S. Kh Estemirova ◽  
V. Ya Mitrofanov ◽  
S.A. Uporov ◽  
G.K. Kozhina

Author(s):  
E. M. Ahmed ◽  
H. R. Alamri ◽  
S. M. Elghnam ◽  
O. Eldarawi ◽  
T. E. Tawfik ◽  
...  

Author(s):  
Arnab Pal ◽  
Zhenjie Feng ◽  
Hao Wu ◽  
Ke Wang ◽  
Jingying Si ◽  
...  

Abstract The Haldane spin-chain compound Er2BaNiO5 has been known to possess magnetoelectric coupling below the magnetic ordering temperature. Here we report various low-temperature magnetic and magnetocaloric properties, and magnetodielectric effect above magnetic ordering temperature in this compound. The present compound displays a coexistence of conventional and inverse magnetocaloric effects with a large entropy change of 5.9 and −2.5 J/kg K, respectively. Further, it exhibits a remarkable switching between them, which can be tuned with temperature and magnetic field. In addition, evolution of two magnetic field-dependent metamagnetic transitions at 19.7 and 27.7 kOe, and their correlation with magnetocaloric switching effect, make this compound effective for potential applications. On the other hand, demonstration of intrinsic magnetodielectric effect (1.9%) near and above antiferromagnetic ordering temperature, through a moderate coupling between electric dipoles and magnetic spins, establishes this compound as a useful candidate for future research. A detailed analysis of these findings, in a framework of different magnetic interactions and magnetocrystalline anisotropies, is discussed here. Overall, these results may provide a future pathway to tune the magnetic, magnetodielectric, and magnetocaloric properties in this compound toward better application potential.


2021 ◽  
Author(s):  
Yao-Dong Wu ◽  
Wei-Wei Duan ◽  
Qiu-Yue Li ◽  
Yong-Liang Qin ◽  
Zhen-Fa Zi ◽  
...  

Abstract The magnetic and magnetocaloric properties were studied in a stuffed honeycomb polycrystalline antiferromagnet GdInO3. The onset temperature of antiferromagnetic ordering was observed at ~ 2.1 K. Negligible thermal and magnetic hysteresis suggest a reversible magnetocaloric effect (MCE) in the GdInO3 compound. In the magnetic field changes of 0–50 kOe and 0–70 kOe, the maximum magnetic entropy change values are 9.65 J/kg K and 18.37 J/kg K, respectively, near the liquid helium temperature, with the corresponding relative cooling power values of 115.01 J/kg and 211.31 J/kg. The MCE investigation of the polycrystalline GdInO3 serves to illuminate more exotic properties in this frustrated stuffed honeycomb magnetic system.


Author(s):  
K. Synoradzki ◽  
P. Skokowski ◽  
Ł. Fra¸ckowiak ◽  
M. Koterlyn ◽  
T. Toliński

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