Hysteresis design of magnetocaloric materials—from basic mechanisms to applications

F Scheibel, T Gottschall, A Taubel, M Fries… - Energy …, 2018 - Wiley Online Library
Magnetic refrigeration relies on a substantial entropy change in a magnetocaloric material
when a magnetic field is applied. Such entropy changes are present at first‐order …

Theoretical investigations on elastic properties, phase stability, and magnetism in all- Heusler compounds

G Li, E Liu, W Wang, G Wu - Physical Review B, 2023 - APS
The elastic properties, phase stability, and magnetism and correlations among them in all-d-
metal Heusler compounds, ie, Ni 2 Mn T (T= Sc, Ti, V, Cr, Y, Zr, Nb, Mo, Hf, Ta, and W) were …

A unifying perspective of common motifs that occur across disparate classes of materials harboring displacive phase transitions

A Grünebohm, A Hütten, AE Böhmer… - Advanced Energy …, 2023 - Wiley Online Library
Several classes of materials manifest displacive phase transitions, including shape memory
alloys, many electronically correlated materials, superconductors, and ferroelectrics. Each of …

Experimental Observations versus First‐Principles Calculations for Ni–Mn–Ga Ferromagnetic Shape Memory Alloys: A Review

H Seiner, M Zelený, P Sedlák, L Straka… - physica status solidi …, 2022 - Wiley Online Library
This review summarizes recent advances in first‐principles simulations of the structural,
mechanical, and magnetomechanical properties of Ni–Mn–Ga‐based ferromagnetic shape …

Element-Resolved Thermodynamics of Magnetocaloric

ME Gruner, W Keune, B Roldan Cuenya, C Weis… - Physical review …, 2015 - APS
By combination of two independent approaches, nuclear resonant inelastic x-ray scattering
and first-principles calculations in the framework of density functional theory, we …

Modulations in martensitic Heusler alloys originate from nanotwin ordering

ME Gruner, R Niemann, P Entel, R Pentcheva… - Scientific reports, 2018 - nature.com
Heusler alloys exhibiting magnetic and martensitic transitions enable applications like
magnetocaloric refrigeration and actuation based on the magnetic shape memory effect …

Ballistic spin-transport properties of magnetic tunnel junctions with MnCr-based ferrimagnetic quaternary Heusler alloys

T Roy, M Tsujikawa, M Shirai - Physical Review Materials, 2023 - APS
We investigate the suitability of nearly half-metallic ferrimagnetic quaternary Heusler alloys,
CoCrMn Z (Z= Al, Ga, Si, Ge), to assess their feasibility as electrode materials for MgO …

[HTML][HTML] Martensitic phase transformation in short-range ordered Fe50Rh50 system induced by thermal stress and mechanical deformation

E Adabifiroozjaei, F Maccari, L Schäfer, T Jiang… - Acta Materialia, 2024 - Elsevier
Metallic/intermetallic materials with BCC structures hold an intrinsic instability due to phonon
softening along [110] direction, causing BCC to lower-symmetry phases transformation …

Segregation tendency of Heusler alloys

VV Sokolovskiy, ME Gruner, P Entel, M Acet… - Physical Review …, 2019 - APS
Segregation in a series of Ni 2 Mn 1+ x (In, Sn, Ga, Al) 1− x and Mn 2 Ni 1+ x (Ga, Al) as well
as Ni 2+ x Mn 1− x Ga Heusler alloys is studied by first-principles calculations. We show that …

The incommensurate modulations of stoichiometric Ni2MnGa

SO Mariager, T Huber, G Ingold - Acta materialia, 2014 - Elsevier
We use X-ray diffraction to confirm that the 5M phase of the stoichiometric Heusler alloy Ni 2
MnGa has an incommensurate modulation with wavevector q=[0.428 0.428 0]. We find the …