English
Related papers

Related papers: Magnetocaloric effect and nature of magnetic trans…

200 papers

Systematic measurements pertinent to the magnetocaloric effect and nature of magnetic transition around the transition temperature are performed in the 10 nm Pr0.5Ca0.5MnO3 nanoparticles (PCMO10) . Maxwell relation is employed to estimate…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 S. Narayana Jammalamadaka , S. S. Rao , S. V. Bhat , J. Vanacken , V. V. Moshchalkov

We report a systematic investigation of dc magnetization and ac susceptibility, as well as anisotropic magnetocaloric effect in bulk CrI$_3$ single crystals. A second-stage magnetic transition was observed just below the Curie temperature…

Strongly Correlated Electrons · Physics 2018-05-22 Yu Liu , C. Petrovic

We report the magnetic, thermal, magnetocaloric and transport properties of polycrystalline NdCuSi. The compound shows a weak antiferromagnetic ordering, as confirmed by different measurements. Arrott plots indicate that the magnetic phase…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , K. G. Suresh1 , A. K. Nigam

Magnetocaloric effect and magnetoresistance have been studied in Dy(Co1-xSix)2 [x=0, 0.075 and 0.15] compounds. Magnetocaloric effect has been calculated in terms of adiabatic temperatue change (Delta Tad) as well as isothermal magnetic…

Materials Science · Physics 2009-11-11 Niraj K. Singh , K. G. Suresh , A. K. Nigam , S. K. Malik

We report a systematic investigation of anisotropic magnetocaloric effects in single crystal Cr$_2$Te$_3$. Single crystal samples are synthesized by chemical vapor transport and characterized by x-ray and Laue diffraction methods. The…

Materials Science · Physics 2023-12-05 Anirban Goswami , Nicholas Ng , AM Milinda Abeykoon , Emmanuel Yakubu , Samaresh Guchhait

In an effort to understand the impact of nanostructuring on the magnetocaloric effect, we have grown and studied gadolinium in MgO/W(50 $\textrm{\AA}$)/[Gd(400 $\textrm{\AA}$)/W(50 $\textrm{\AA}$)]$_8$ heterostructures. The entropy change…

Mesoscale and Nanoscale Physics · Physics 2011-12-19 Casey W. Miller , D. V. Williams , N. S. Bingham , H. Srikanth

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

The magnetocaloric effect in the quantum dipolar magnet Yb$_3$Ga$_5$O$_{12}$ is studied both for pure material and with non-magnetic substitution: (Yb$_{1-x}$Y$_x$)$_3$Ga$_5$O$_{12}$. Magnetization measurements have been performed on a…

Materials Science · Physics 2026-03-24 E. Riordan , E. Lhotel , N. -R. Camara , C. Marin , M. E. Zhitomirsky

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

We report a large entropy change (DeltaS) below 300 K, peaking near TC= 220 K, due to isothermal change of magnetic field, for Gd4Co3, with a refrigeration capacity higher than that of Gd. Notably, the isothermal magnetization is…

Strongly Correlated Electrons · Physics 2008-06-12 Niharika Mohapatra , Kartik K Iyer , E. V. Sampathkumaran

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

We experimentally investigate magnetocaloric effect for single crystals of MnTe altermagnet at the transition to the state with spontaneous spin polarization, i.e. well below the N\'eel temperature of MnTe. The isothermal magnetic entropy…

Mesoscale and Nanoscale Physics · Physics 2025-10-06 N. N. Orlova , V. D. Esin , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

The magnetic $H$-$T$ phase diagram and magnetocaloric effect in the recently discovered high-temperature heavy-fermion compound YbCoC$_2$ have been studied. With the increase in the external magnetic field YbCoC$_2$ experiences the…

Strongly Correlated Electrons · Physics 2023-03-15 D. A. Salamatin , V. N. Krasnorussky , A. V. Semeno , A. V. Bokov , A. Velichkov , Z. Surowiec , A. V. Tsvyashchenko

A giant magnetocaloric effect across the ferromagnetic (FM) to paramagnetic (PM) phase transition was observed in chemically synthesized Co2FeAl Heusler alloy nanoparticles with a mean diameter of 16 nm. In our previous report, we have…

Strongly Correlated Electrons · Physics 2021-06-15 Aquil Ahmad , Srimanta Mitra , S. K. Srivastava , A. K. Das

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 study the magnetocaloric effect and critical behavior of Co$_2$Cr$_{1-x}$Mn$_x$Al ($x=$ 0.25, 0.5, 0.75) Heusler alloys across the ferromagnetic (FM) transition (T$_{\rm C}$). The Rietveld refinement of x-ray diffraction patterns exhibit…

Materials Science · Physics 2020-01-08 Priyanka Nehla , V. K. Anand , Bastian Klemke , Bella Lake , R. S. Dhaka

We developed a new technique for measuring the thermodynamic entropy as a function of the magnetic field angle. This technique enables high-resolution angle-resolved measurements of the entropy in an unprecedentedly short measuring time.…

Strongly Correlated Electrons · Physics 2018-06-15 Shunichiro Kittaka , Shota Nakamura , Hiroaki Kadowaki , Hiroshi Takatsu , Toshiro Sakakibara

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

HoCo$_2$ exhibits a giant magnetocaloric (MC) effect at its first-order magnetostructural phase transition around 77~K, and understanding the thermodynamic nature of this transition in response to external magnetic fields is crucial for its…

Materials Science · Physics 2025-05-15 Ajay Kumar , Anis Biswas , Yaroslav Mudryk

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…

‹ Prev 1 2 3 10 Next ›