Large reversible magnetocaloric effect in the RE CoC 2 ( RE =Ho and Er) compounds

Meng, Lingjian; Jia, Youshun; Li, Lingwei

doi:10.1016/j.intermet.2017.02.006

Cited by 15 publications

(6 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The dotted line corresponds to the performances of GGG. (b) Comparisons of T ad with several top-performing magnetocaloric materials. − ,− Reproduced with permission from ref . Copyright 2022 Springer Nature.…”

Section: Resultsmentioning

confidence: 99%

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins

Yang

Zhang

et al. 2023

Inorg. Chem.

View full text Add to dashboard Cite

Searching for working refrigerant materials is the key element in the design of magnetic cooling devices. Herein, we report on the thermodynamic and magnetocaloric parameters of an X 1 phase oxyorthosilicate, Gd2SiO5, by field-dependent static magnetization and specific heat measurements. An overall correlation strength of |J|S 2 ≈ 3.4 K is derived via the mean-field estimate, with antiferromagnetic correlations between the ferromagnetically coupled Gd–Gd layers. The magnetic entropy change −ΔS m is quite impressive, reaches 0.40 J K–1 cm–3 (58.5 J K–1 kg–1) at T = 2.7 K, with the largest adiabatic temperature change T ad = 23.2 K for a field change of 8.9 T. At T = 20 K, the lattice entropy S L is small enough compared to the magnetic entropy S m, S m/S L = 21.3, which warrants its potential in 2 −20 K cryocoolers with both the Stirling and Carnot cycles. Though with relatively large exchange interactions, the layered A-type spin arrangement ultimately enhances the magnetocaloric coupling, raising the possibilities of designing magnetic refrigerants with a high ratio of cooling capacity to volume.

show abstract

Section: Resultsmentioning

confidence: 99%

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins

Yang

Zhang

et al. 2023

Inorg. Chem.

View full text Add to dashboard Cite

show abstract

“…∆S m can be obtained indirectly from isothermal measurements of the magnetization. Previously, large reversible MCEs in HoCoC 2 , ErCoC 2 [11] and TbCoC 2 [12] and giant reversible MCEs in TWS GdCoC 2 [13] have been observed using such measurements.…”

Section: Introductionmentioning

confidence: 95%

Some Magnetic Properties and Magnetocaloric Effects in the High-Temperature Antiferromagnet YbCoC2

et al. 2023

View full text Add to dashboard Cite

The YbCoC2 compound, which crystallizes in a base-centered orthorhombic unit cell in the Amm2 space group CeNiC2 structure, is unique among Yb-based compounds due to the highest magnetic ordering temperature of TN=27 K. Magnetization measurements have made it possible to plot the H-T magnetic phase diagram and determine the magnetocaloric effect of this recently discovered high-temperature heavy-fermion compound, YbCoC2. YbCoC2 undergoes spin transformation to the spin-polarized state through a metamagnetic transition in an external magnetic field. The transition is found to be of the first order. The dependencies of magnetic entropy change ΔSm(T)—have segments with positive and negative magnetocaloric effects for ΔH≤6 T. For ΔH=9 T, the magnetocaloric effect becomes positive, with a maximum ΔSm(T) value of 4.1 J (kg K)−1 at TN and a refrigerant capacity value of 56.6 J kg−1.

show abstract

“…The Innovation Materials 1(3): 100045, December 13, 2023 7 |ΔS iso | compounds with R = Tb and Er 225 and R 2 Cr 2 C 3 with R = Dy, Ho and Er 226,227 possess good magnetocaloric properties but their transition temperatures tend to be lower than 25 K. They could undergo either FOPT or SOPT, exhibiting both ferromagnetic and antiferromagnetic ordering depending on the rare earth element, often with a field-induced phase transition from AF to FM order. On the other hand, the whole RCoC 2 series with R = Gd, Tb, Ho and Er 210,228,229 behaves as ferromagnetic materials with FM to PM SOPTs.…”

Section: Reviewmentioning

confidence: 99%

Magnetocaloric materials for hydrogen liquefaction

Romero-Muñiz,

Law,

Revuelta-Losada

et al. 2023

TIMS

View full text Add to dashboard Cite

<p>The expected energy transition to hydrogen gas as a greener energy vector has revived the interest in magnetic refrigeration at the cryogenic range, specifically between 20 and 80 K, with the vision to develop a new generation of hydrogen gas liquefiers. From the materials science point of view, the search for magnetocaloric materials containing mainly non-critical elements with a significant response in that temperature range, together with good cyclability and stability, is a challenging task. Given the increasing interest of the research community on this topic, we aim to establish a comprehensive catalog of the magnetocaloric compounds characterized so far, to be used as a starting point for further research. For this purpose, a systematic outlook of the state of the art is presented here, with the analysis and classification of more than 400 cryogenic magnetocaloric materials, divided into five large families according to their physicochemical properties. Moreover, we provide detailed information about their magnetocaloric properties, magnetic behavior, and transition characteristics together with criticality, which will facilitate the future search for optimal compounds.</p>

show abstract

Large reversible magnetocaloric effect in the RE CoC 2 ( RE =Ho and Er) compounds

Cited by 15 publications

References 28 publications

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins

Some Magnetic Properties and Magnetocaloric Effects in the High-Temperature Antiferromagnet YbCoC2

Magnetocaloric materials for hydrogen liquefaction

Contact Info

Product

Resources

About

Large reversible magnetocaloric effect in the RE CoC 2 ( RE =Ho and Er) compounds

Cited by 15 publications

References 28 publications

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd3+ Spins

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd3+ Spins

Some Magnetic Properties and Magnetocaloric Effects in the High-Temperature Antiferromagnet YbCoC2

Magnetocaloric materials for hydrogen liquefaction

Contact Info

Product

Resources

About

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins

Strong Magnetocaloric Coupling in Oxyorthosilicate with Dense Gd³⁺ Spins