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Related papers: Magnetocaloric effect in Gd3Ir compound

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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 magnetocaloric properties of the Ising binary alloys composed of arbitrary spin values, have been determined by using effective field theory. For determining the efficiency of the magnetocaloric effect in binary alloy, the quantities of…

Statistical Mechanics · Physics 2021-02-03 Ümit Akıncı

We report the observation of large magnetocaloric effect near room temperature in antipervoskite SnCMn3. The maximal magnetic entropy change at the first-order ferrimagnetic-paramagnetic transition temperature (TC 279 K) is about…

Strongly Correlated Electrons · Physics 2009-05-18 B. S. Wang , P. Tong , Y. P. Sun , X. Luo , X. B. Zhu , G. Li , X. D. Zhu , S. B. Zhang , Z. R. Yang , W. H. Song , J. M. Dai

We report on the structural, magnetic, and magnetocaloric properties of polycrystalline (La0.5Pr0.5)0.6Ba0.4MnO3 (LPBMO), which was fabricated by a conventional solid-state reaction method. LPBMO undergoes a second-order paramagnetic to…

Materials Science · Physics 2020-03-18 Nguyen Thi My Duc , Chang-Ming Hung , Ngo Thu Huong , Manh-Huong Phan

The spin-1/2 Ising octahedron and dodecahedron with a unique antiferromagnetic interaction display an outstanding magnetization jump at zero magnetic field, which consequently leads to a giant magnetocaloric effect during the adiabatic…

Statistical Mechanics · Physics 2018-01-26 K. Karlova , J. Strecka , T. Madaras

Magnetic field and time induced steps have been observed in the recently discovered ternary silicide R6Co1.67Si3. Huge relaxation steps are observed across different loops in the low temperature magnetization isotherms. Giant relaxation…

Strongly Correlated Electrons · Physics 2010-11-01 Arabinda Haldar , Niraj K. Singh , K. G. Suresh , A. K. Nigam

We have studied the effect of Fe substitution on magnetic and magnetocaloric properties in La0.7Sr0.3Mn1-xFexO3 (x = 0.05, 0.07, 0.10, 0.15, and 0.20) over a wide temperature range (T = 10-400 K). It is shown that substitution by Fe…

Materials Science · Physics 2009-09-28 C. Krishnamoorthi , S. K. Barik , R. Mahendiran

The magnetocaloric effect in the metamagnetic Ni43Mn37.9In12.1Co7 Heusler alloy is directly studied experimentally under the adiabatic and quasi-isothermal conditions in a magnetic field with induction of up to 14 T.

We studied the magnetic properties of bulk LaCrO3; a GdFeO3-type distorted perovskite, with a predominant antiferromagnetic phase transition at ~ 290 K. The bulk LaCrO3 exhibits intrinsic weak ferromagnetism at room temperature, which may…

Strongly Correlated Electrons · Physics 2014-03-18 Brajesh Tiwari , A. Dixit , R Naik , G. Lawes , M. S. Ramachandra Rao

We have studied the magnetic, thermal and magnetotransport properties of polycrystalline Gd5Ge3. It is found that the compound is a strong antiferromagnet and does not undergo any strong metamagnetic transition even in a field of 90 kOe.…

Strongly Correlated Electrons · Physics 2012-11-13 Bibekananda Maji , K. G. Suresh , A. K. Nigam

We present a study of the magnetoresistance, the specific heat and the magnetocaloric effect of equiatomic $RET$Mg intermetallics with $RE = {\rm La}$, Eu, Gd, Yb and $T = {\rm Ag}$, Au and of GdAuIn. Depending on the composition these…

Materials Science · Physics 2015-06-25 H. Hartmann , K. Berggold , S. Jodlauk , I. Klassen , K. Kordonis , T. Fickenscher , R. Poettgen , A. Freimuth , T. Lorenz

We report complex magnetic, magnetoresistance (MR) and magnetocaloric properties of Gd4RhAl and Tb4RhAl forming in the Gd4RhIn type cubic structure. Though the synthesis of the compounds was reported long ago, to our knowledge, no attempt…

Strongly Correlated Electrons · Physics 2021-04-30 Ram Kumar , Kartik K Iyer , P. L. Paulose , E. V. Sampathkumaran

We report a novel negative magnetocaloric effect in CoMnSi_{1-x}Ge_{x} arising from a metamagnetic magnetoelastic transition. The effect is of relevance to magnetic refrigeration over a wide range of temperature, including room temperature.…

Strongly Correlated Electrons · Physics 2015-06-25 K. G. Sandeman , R. Daou , S. Ozcan , J. H. Durrell , N. D. Mathur , D. J. Fray

Polycrystalline Heusler compounds Ni2Mn0.75Cu0.25Ga0.84Al0.16 with a martensitic transition between ferromagnetic phases and Ni2Mn0.70Cu0.30Ga0.84Al0.16 with a magnetostructural transformation were investigated by magnetization and thermal…

Materials Science · Physics 2021-04-28 Alberto A. Mendonca , Luis Ghivelder , Jesus F. Jurado , Angelo M. Gomes

The magnetocaloric effect (MCE) in single-crystalline Eu$_5$In$_2$Sb$_6$ was studied over broad temperature ranges and magnetic field intervals, with the magnetic field oriented parallel and perpendicular to the crystallographic…

Magnetic cooling, harnessing the temperature change in matter when exposed to a magnetic field, presents an energy-efficient and climate-friendly alternative to traditional vapor-compression refrigeration systems, with a significantly lower…

In this manuscript, we propose a method to prepare small flakes of DyCu2. On top of that we also report on the magnetocaloric effect and nature of magnetic transition of a strongly anisotropic DyCu2 in its low dimension. Magnetization…

Disordered Systems and Neural Networks · Physics 2016-06-07 M. Venkat Narayana Ganesh Kotnana , S. Narayana Jammalamadaka

An external magnetic field induces large relative changes in the entropy of one-dimensional quantum spin systems at finite temperatures. This leads to a magnetocaloric effect, i.e. a change in temperature during an adiabatic…

Strongly Correlated Electrons · Physics 2007-05-23 M. E. Zhitomirsky , A. Honecker

We have made an extensive study of the magnetic and electrical properties of double-hexagonal closepacked NpPd3 and a range of U(1-x)Np(x)Pd3 compounds with x=0.01, 0.02, 0.05, and 0.50 using magnetization, magnetic susceptibility,…

Strongly Correlated Electrons · Physics 2009-05-20 H. C. Walker , K. A. McEwen , P. Boulet , E. Colineau , J. -C. Griveau , J. Rebizant , F. Wastin

The effect of pressure on the magnetic and the magnetocaloric properties around the martensitic transformation temperature in NiCoMnSb Heusler alloy has been studied. The martensitic transition temperature has significantly shifted to…

Strongly Correlated Electrons · Physics 2010-06-02 Ajaya K. Nayak , K. G. Suresh , A. K. Nigam , A. A. Coelho , S. Gama
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