Influence of Ga doping on magnetic properties, magnetocaloric effect, and electronic structure of pseudobinary 
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Biswas, Anis; Kumar, Ajay; Singh, Prashant; Del Rose, Tyler; Chouhan, Rajiv K.; Margato, B. C.; Alho, B. P.; Nóbrega, E. P.; von Ranke, P. J.; Ribeiro, P. O.; de Sousa, V. S. R.; Mudryk, Yaroslav

doi:10.1103/physrevmaterials.8.114418

Phys. Rev. Materials

2024

DOI: 10.1103/physrevmaterials.8.114418

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Influence of Ga doping on magnetic properties, magnetocaloric effect, and electronic structure of pseudobinary GdZn1−xGax ( x=0

Anis Biswas,

Ajay Kumar,

Prashant Singh

et al.

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Stability of the first-order character of phase transition in HoCo2

Kumar,

Biswas,

Mudryk

2024

Journal of Applied Physics

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HoCo2 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 MC applications. In this study, we present a comprehensive investigation of specific heat and magnetization measurements of HoCo2 under varying magnetic fields. The specific heat measurements qualitatively indicate a transformation from first- to second-order behavior of this phase transition at higher magnetic fields. However, analysis of the power-law dependence of the magnetic entropy change (ΔSM∝Hn) and the breakdown of universal behavior in the temperature dependence of ΔSM suggest that the first-order nature remains intact, even up to 7 T. This stability of the first-order nature is further manifested through the distinctive non-linear behavior of modified Arrott plots, with a negative slope in the 6–7 T range.

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Stability of the first-order character of phase transition in HoCo2

Kumar,

Biswas,

Mudryk

2024

Journal of Applied Physics

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Influence of Ga doping on magnetic properties, magnetocaloric effect, and electronic structure of pseudobinary GdZn1−xGax ( x=0

Cited by 1 publication

References 98 publications

Stability of the first-order character of phase transition in HoCo2

Stability of the first-order character of phase transition in HoCo2

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