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The magnetocaloric effect (MCE) in many rare earth (RE) based intermetallic compounds has been extensively investigated during last two decades, not only due to their potential applications for magnetic refrigeration but also for better…

Materials Science · Physics 2016-01-18 Lingwei Li

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

The prospect of efficient solid state refrigeration at room temperature is driving research into magnetic cooling engine design and magnetic phase transition-based refrigerants. In this Viewpoint an Ashby-style map of magnetic refrigerant…

Materials Science · Physics 2012-10-02 Karl G. Sandeman

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

The presence of a quantum critical point (QCP) can significantly affect the thermodynamic properties of a material at finite temperatures T. This is reflected, e.g., in the entropy landscape S(T, r) in the vicinity of a QCP, yielding…

Strongly Correlated Electrons · Physics 2015-05-20 B. Wolf , Y. Tsui , D. Jaiswal-Nagar , U. Tutsch , A. Honecker , K. Removic-Langer , G. Hofmann , A. Prokofiev , W. Assmus , G. Donath , M. Lang

Direct measurements of the magnetocaloric effect (MCE) in different materials (Gd, Fe48Rh52, Ni43Mn37.9In12.1Co7 and Ni2.07Co0.09Mn0.84Ga) in alternating magnetic fields with frequencies f < 22 Hz and an amplitude deltaH = 6.2 kOe are…

The magnetic and magnetocaloric properties of Ga1-xCMn3+x have been investigated. Reversible magnetocaloric effect (MCE) occurs near the Curie temperature TC. The magnetic entropy change decreases with increasing x, though TC and…

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

We study the magnetocaloric effect (MCE) in spin clusters of six spins with site spins $s=1$, $3/2$ and $2$ for different exchange anisotropies. We also study MCE in an assembly of spin clusters, on a chain, a 2-D square lattice and 3-D…

Strongly Correlated Electrons · Physics 2020-08-03 Sumit Haldar , S. Ramasesha

The criticality-enhanced magnetocaloric effect (MCE) near a field-induced quantum critical point (QCP) in the spin systems constitutes a very promising and highly tunable alternative to conventional adiabatic demagnetization refrigeration.…

Strongly Correlated Electrons · Physics 2021-10-12 Tao Liu , Xin-Yang Liu , Yuan Gao , Hai Jin , Jun He , Xian-Lei Sheng , Wentao Jin , Ziyu Chen , Wei Li

Recent progress on caloric effects are reviewed. The application of external stimuli such as magnetic field, hydrostatic pressure, uniaxial stress and electric field give rise respectively to magnetocaloric, barocaloric, elastocaloric and…

Materials Science · Physics 2013-03-18 Lluis Manosa , Antoni Planes , Mehmet Acet

Magnetic cooling based on the magnetocaloric effect is a promising solid-state refrigeration technology for a wide range of applications in different temperature ranges. Previous studies have mostly focused on near room temperature (300 K)…

Materials Science · Physics 2024-03-06 Jiaoyue Yuan , Runqing Yang , Lokanath Patra , Bolin Liao

In the search for more efficient and less environmentally harmful cooling technologies, the field of magnetocalorics is considered a promising alternative. To generate cooling spans, rotating permanent magnet assemblies are used to…

The rotating magnetocaloric effect (RMCE) is a recent interest in magnetic refrigeration technique in which the cooling effect is attained by rotating the anisotropic magnetocaloric material from one orientation to the other in a fixed…

Strongly Correlated Electrons · Physics 2019-10-21 Anzar Ali , Shama , Yogesh Singh

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

Two-dimensional magnets could potentially revolutionize information technology, but their potential application to cooling technology and magnetocaloric effect (MCE) in a material down to the monolayer limit remain unexplored. Herein, we…

Materials Science · Physics 2023-03-29 Weiwei He , Yan Yin , Qihua Gong , Richard F. L. Evans , Oliver Gutfleisch , Baixiang Xu , Min Yi , Wanlin Guo

We have studied the magnetocaloric effect (MCE) in the shape-memory Heusler alloy Ni$_{50}$Mn$_{35}$In$_{15}$ by direct measurements in pulsed magnetic fields up to 6 and 20 T. The results in 6 T are compared with data obtained from…

Materials Science · Physics 2015-02-23 M. Ghorbani Zavareh , C. Salazar Mejía , A. K. Nayak , Y. Skourski , J. Wosnitza , C. Felser , M. Nicklas

The efficient coupling between lattice degrees of freedom and spin degrees of freedom in magnetic materials can be used for refrigeration and energy conversion. This coupling is enhanced in materials exhibiting the giant magnetocaloric…

We present a comprehensive study of the magnetocaloric effect (MCE) in the Nd$T_4$B system where $T$ = Fe, Co, and Ni. These compounds are ferromagnetic kagome materials with tunable ordering temperatures, transition width, and magnetic…

The magneto-electrocaloric effect which can be defined as the coupling between magnetocaloric and electrocaloric effects attracts currently considerable attention due to the advantages provided by the caloric effect in designing solid-state…

As one of magnetic refrigerants with giant magnetocaloric effect (GMCE), MnFePGe-based compounds had drawn tremendous attention due to their many advantages for practical applications. In this paper, correlations among preparation…

Materials Science · Physics 2014-11-14 Ming Yue , Hongguo Zhang , Danmin Liu , Jiuxing Zhang