Growth twins and premartensite microstructure in epitaxial Ni-Mn-Ga films

S Kar, Y Ikeda, K Lünser, TG Woodcock, K Nielsch… - Acta Materialia, 2023 - Elsevier
Magnetic shape memory alloys have been examined intensively due to their
multifunctionality and multitude of physical phenomena. For both areas, epitaxial films are …

Growth and martensitic transformation of ferromagnetic Co-Cr-Ga-Si epitaxial films

Y Ge, K Lünser, F Ganss, P Gaal, L Fink… - … and Technology of …, 2023 - Taylor & Francis
During cooling, conventional martensitic transformation can only be realized from austenite
to martensite. Recently, a so-called reentrant martensitic transformation attracted much …

Dewetting Process in Ni-Mn-Ga Shape-Memory Heusler: Effects on Morphology, Stoichiometry and Magnetic Properties

M Takhsha Ghahfarokhi, F Celegato, G Barrera… - Crystals, 2022 - mdpi.com
In this work, dewetting process has been investigated in shape-memory Heuslers. To this
aim, series of high-temperature annealing (1100–1150 K) have been performed at high …