Film Lift–Off from MgO: Freestanding Single Crystalline Fe–Pd Films Suitable for Magnetic Shape Memory Actuation – and Beyond
Source abstract
Abstract
Two complementary lift-off approaches for thin films from MgO, based on standard chemicals, are reported. Accompanied by appropriate annealing treatments they can be employed to synthesize freestanding single crystalline Fe-Pd films in the face centered tetragonal martensitic phase required for miniaturized magnetic shape memory acutation. Generalizations to other materials systems, e.g. epitaxially grown martensitic Ni-Mn-Ga magnetic shape memory alloy films, are also demonstrated.
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Research context
OpenAlex topics: Shape Memory Alloy Transformations · Magnetic and transport properties of perovskites and related materials · Creativity in Education and Neuroscience
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (17)
Show source-provided references
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17. Cooling down fcc Fe7Pd3 two martensitic phases with two different tetragonal distortions can occur which – according to a common convention[9 8]– we term ”fct” (less distorted phase; closer to fcc) and ”bct” (more distorted phase; closer to bcc) respectively – despite the same crystal lattice type. Only fct martensite is suitable for magnetic actuation.