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The manganocuprate compound Gd3Ba2Mn2Cu2O12 (Gd-3222) has been synthesized by conventional solid state reaction method and its magnetic behavior has been studied by dc and ac magnetization (M) and heat capacity (C) measurements as a…

The magnetic properties and magnetocaloric effect of an intermetallic compound $\mathrm{Er_2Rh_3Si}$ was investigated by performing temperature dependence of dc- and ac-magnetic susceptibility and isothermal magnetizations. Polycrystalline…

Strongly Correlated Electrons · Physics 2021-09-21 Baidyanath Sahu , Andre M. Strydom

The ternary intermetallic compound Gd$_2$Cu$_2$In crystallizes in Mo$_2$Fe$_2$B type structure with the space group $P4/mbm$ and we study critical behaviour and magnetocaloric effect near the ferromagnetic transition ($T_C$ $\approx$ 94 K)…

Strongly Correlated Electrons · Physics 2017-11-28 Ramesh K. Kumar , Harikrishnan S. Nair , Baidyanath N. Sahu , Sindisiwe Xhakaza , Andre M. Strydom

The magnetocaloric effect of gadolinium formate, Gd(OOCH)3, is experimentally determined down to sub-Kelvin temperatures by direct and indirect methods. This 3D metal-organic framework material is characterized by a relatively compact…

We present a thorough study on the magnetoanisotropic properties and magnetocaloric effect in the layered ferromagnetic Cr$_4$Te$_5$ single crystals by performing the critical behaviour analysis of magnetization isotherms. The critical…

Materials Science · Physics 2022-09-20 Shubham Purwar , Susmita Changdar , Susanta Ghosh , S. Thirupathaiah

We have investigated magnetization(M), magnetocaloric effect(MCE) and magnetothermopower(MTEP) in polycrystalline Pr0.6Sr0.4MnO3, which shows a second-order paramagnetic to ferromagnetic transition near room temperature (TC = 305 K).…

Strongly Correlated Electrons · Physics 2012-10-19 D. V. Maheshwar Repaka , T. S. Tripathi , M. Aparnadevi , R. Mahendiran

The effect of external pressure on the magnetic properties and magnetocaloric effect of R(Co1-xSix)2 [R= Er, Dy and x=0, 0.025 and 0.05] compounds has been studied. The ordering temperatures of both the parent as well as the Si substituted…

Materials Science · Physics 2015-06-25 Niraj K. Singh , Pramod Kumar , K. G. Suresh , A. K. Nigam , A. A. Coelho , S. Gama

The Gd3Ga5-xAlxO12 (0 < x < 5) solid solution has been prepared using ceramic synthesis routes and the structural and magnetic properties investigated using X-ray diffraction, magnetic susceptibility, chi, and isothermal magnetisation,…

Materials Science · Physics 2014-03-06 A. C. Sackville Hamilton , G. I. Lampronti , S. E. Rowley , S. E. Dutton

We present combined experimental and theoretical investigations on the magnetic and magnetocaloric behavior of Nd$_2$NiMnO$_6$. The relative cooling power (RCP) which quantifies the usefulness of a magnetocaloric (MC) material is estimated…

Strongly Correlated Electrons · Physics 2025-07-04 Gyaneswar Sharma , Kanika Pasrija , Anzar Ali , Sanjeev Kumar , Yogesh Singh

We report anisotropic magnetocaloric effect and critical behavior in quasi-one-dimensional ferromagnetic CrSbSe$_3$ single crystal. The maximum magnetic entropy change $-\Delta S_M^{max}$ is 2.16 J kg$^{-1}$ K$^{-1}$ for easy $a$ axis (2.03…

Strongly Correlated Electrons · Physics 2020-07-20 Yu Liu , Zhixiang Hu , C. Petrovic

Magnetic entropy and adiabatic temperature changes in and above the room-temperature region has been measured for La0.7Sr0.3Mn1-xM'xO3 (M' = Al, Ti) by means of magnetization and heat capacity measurements in magnetic fields up to 6 T. The…

Materials Science · Physics 2007-08-17 D. N. H. Nam , N. V. Dai , L. V. Hong , N. X. Phuc , S. C. Yu , M. Tachibana , E. Takayama-Muromachi

Solid state-refrigerants have generated worldwide interest owing to their growing potential for use in efficient and green cooling devices. Caloric effects could be obtained by manipulating their degrees of freedom such as magnetization,…

Materials Science · Physics 2016-10-10 M. Balli , S. Jandl , P. Fournier , D. Z. Dimitrov

Large magnetocaloric effect has been observed in Mn3O4 around its ferrimagnetic transition at TN = 42.75 K. Field-induced isothermal entropy changes (\DeltaS) were derived from both magnetic and calorimetric techniques. The maximum…

Materials Science · Physics 2011-03-04 S. Thota , F. Guillou , V. Hardy , A. Wahl , W. Prellier , J. Kumar

We report the detailed investigation of the magnetic, transport, and magnetocaloric effects of GdSbSe by magnetic susceptibility $\chi(T)$, isothermal magnetization $M(H)$, resistivity $\rho(T, H)$, and heat capacity $C_p(T)$ measurements,…

Strongly Correlated Electrons · Physics 2024-09-23 Aarti Gautam , Prabuddha Kant Mishra , Souvik Banerjee , A. Sundaresan , Ashok Kumar Ganguli

The magnetocaloric effect in single crystalline Nd_{0.7}Sr_{0.3}MnO_{3} is investigated by measuring the field-induced adiabatic change in temperature which reveals a single negative peak around 130 K well below the Curie temperature…

Magnetocaloric materials, which exploit reversible temperature changes induced by magnetic field variations, are promising for advancing energy-efficient cooling technologies. The potential integration of two-dimensional materials into…

Materials Science · Physics 2024-05-09 Lokanath Patra , Yujie Quan , Bolin Liao

This is a comment on 'Table-like magnetocaloric effect and enhanced refrigerant capacity in Eu8Ga16Ge30-EuO composite materials', published few years ago. Refrigerant Capacity (RC) and Relative Cooling Power (RCP) are properties that…

Applied Physics · Physics 2017-05-03 A. M. G. Carvalho

Dc and ac-magnetic susceptibility ($\chi$), specific heat ($C_\mathrm{P}$), electrical resistivity ($\rho$) and magnetoresistance measurements performed on the new polycrystalline compound $\mathrm{Gd_2AgSi_3}$, crystallizing in the…

Materials Science · Physics 2021-05-05 Baidyanath Sahu

The tetragonal layered compounds TbTiGe and ErTiGe order antiferromagnetically at 276 K and 39 K, respectively. Partial substitution of Mo for Ti in these two compounds modifies the magnetic interactions giving rise to a ferromagnetic…

Materials Science · Physics 2007-08-30 R. Nirmala , S. K. Malik

We report temperature (T) dependence of dc magnetization, electrical resistivity (rho(T)), and heat-capacity of rare-earth (R) compounds, Gd3RuSn6 and Tb3RuSn6, which are found to crystallize in the Yb3CoSn6-type orthorhombic structure…

Strongly Correlated Electrons · Physics 2017-06-28 Sanjay K Upadhyay , Kartik K Iyer , E. V. Sampathkumaran