Magnetocaloric effect: From materials research to refrigeration devices

V Franco, JS Blázquez, JJ Ipus, JY Law… - Progress in Materials …, 2018 - Elsevier
The magnetocaloric effect and its most straightforward application, magnetic refrigeration,
are topics of current interest due to the potential improvement of energy efficiency of cooling …

Distribution of transition temperatures in magnetic transformations: Sources, effects and procedures to extract information from experimental data

AF Manchón-Gordón, R López-Martín, A Vidal-Crespo… - Metals, 2020 - mdpi.com
The presence of a distribution of transition temperatures (DTT) is ubiquitous in materials
science. It is common to ascribe deviations from theoretical pure-phase behavior to this fact …

Effect of substitution on elastic stability, electronic structure and magnetic property of Ni–Mn based Heusler alloys: An ab initio comparison

T Roy, ME Gruner, P Entel, A Chakrabarti - Journal of Alloys and …, 2015 - Elsevier
First-principles density functional theory based calculations have been used to predict the
bulk mechanical properties of magnetic shape memory Heusler alloy Ni 2 MnGa substituted …

Effect of platinum substitution on the structural and magnetic properties of ferromagnetic shape memory alloy

S Singh, SW D'Souza, J Nayak, L Caron, E Suard… - Physical Review B, 2016 - APS
Ni 2 MnGa exhibits ideal ferromagnetic shape memory properties, however, brittleness and
a low-temperature martensite transition hinder its technological applications motivating the …

Ab initio studies on electronic and magnetic properties of X2PtGa (X= Cr, Mn, Fe, Co) Heusler alloys

T Roy, A Chakrabarti - Journal of Magnetism and Magnetic Materials, 2017 - Elsevier
Using first-principles calculations based on density functional theory, we probe the
electronic and magnetic properties of X 2 PtGa (X being Cr, Mn, Fe, Co) Heusler alloys. Our …

Bulk electronic structure of studied by density functional theory and hard x-ray photoelectron spectroscopy

J Bhattacharya, P Sadhukhan, S Sarkar, VK Singh… - Physical Review B, 2023 - APS
A combined study employing density functional theory (DFT) using the experimentally
determined modulated structures in the martensite phase and bulk-sensitive hard x-ray …

Interplay of phase sequence and electronic structure in the modulated martensites of from first-principles calculations

A Kundu, ME Gruner, M Siewert, A Hucht, P Entel… - Physical Review B, 2017 - APS
We investigate the relative stability, structural properties, and electronic structure of various
modulated martensites of the magnetic shape memory alloy Mn 2 NiGa by means of density …

Bulk electronic structure of Mn2NiGa using hard x-ray photoelectron spectroscopy and density functional theory

P Sadhukhan, S Sarkar, SW D'Souza… - Physica …, 2023 - iopscience.iop.org
Mn 2 NiGa is a potential magnetic shape memory alloy with austenite to the martensite
phase transition. Here, we have investigated the bulk electronic structure of Mn 2 NiGa in the …

Revealing the origin of the topological Hall effect in the centrosymmetric shape memory Heusler alloy : A combined experimental and theoretical investigation

S Rastogi, N Shahi, V Kumar, GK Shukla… - Physical Review B, 2023 - APS
Skyrmions are localized swirling noncoplanar spin textures offering a promising revolution in
future spintronic applications. These topologically nontrivial spin textures lead to an …

Magnetic properties and magnetocaloric effect in Pt doped Ni-Mn-Ga

S Singh, SW D'Souza, K Mukherjee… - Applied Physics …, 2014 - pubs.aip.org
Large magnetocaloric effect is observed in Ni 1.8 Pt 0.2 MnGa close to room temperature.
The entropy change shows a crossover from positive to negative sign at the martensite …