Recent progress in FSMA microactuator developments

M Kohl, S Reddy Y, F Khelfaoui, B Krevet… - Materials Science …, 2010 - Trans Tech Publ
The giant magneto-strain effect is particularly attractive for actuator applications in micro-and
nanometer dimensions as it enables contact-less control of large deformations, which can …

[PDF][PDF] Stray‐Field‐Induced Actuation of Free‐Standing Magnetic Shape‐Memory Films

M Thomas, O Heczko, J Buschbeck, YW Lai… - Advanced …, 2009 - academia.edu
Magnetic shape-memory (MSM) alloys, such as NiMnGa,[1] reach maximum strains of close
to 10% in single crystals.[2] This exceeds the strain obtainable from piezoelectric or …

Comparing properties of substrate-constrained and freestanding epitaxial Ni–Mn–Ga films

A Backen, SR Yeduru, M Kohl, S Baunack, A Diestel… - Acta Materialia, 2010 - Elsevier
In order to use the magnetic shape memory alloy Ni–Mn–Ga with its high achievable strain
of up to 10% for microactuators, freestanding epitaxial films are required. Here we show that …

Multiwalled carbon nanotube reinforced bio-based benzoxazine/epoxy composites with NIR-laser stimulated shape memory effects

W Prasomsin, T Parnklang, C Sapcharoenkun… - Nanomaterials, 2019 - mdpi.com
Smart materials with light-actuated shape memory effects are developed from renewable
resources in this work. Bio-based benzoxazine resin is prepared from vanillin, furfurylamine …

Transformation behavior of Ni–Mn–Ga thin films

VA Chernenko, M Ohtsuka, M Kohl… - Smart materials and …, 2005 - iopscience.iop.org
The transformation behavior of Ni–Mn–Ga submicron polycrystalline thin films was
investigated with respect to target composition, different substrates, annealing temperature …

Epitaxial Ni–Mn–Ga films deposited on SrTiO3 and evidence of magnetically induced reorientation of martensitic variants at room temperature

O Heczko, M Thomas, J Buschbeck, L Schultz… - Applied Physics …, 2008 - pubs.aip.org
Epitaxial Ni–Mn–Ga films were grown on Sr Ti O 3 by sputter deposition. The films deposited
at 673 K are ferromagnetic and martensitic at room temperature. Pole figure measurements …

Magnetic shape memory effect in thin foils

O Heczko, A Soroka, SP Hannula - Applied Physics Letters, 2008 - pubs.aip.org
The magnetic shape memory (MSM) effect was observed in Ni–Mn–Ga freestanding thin
foils down to 90 μ m in thickness using top-down approach. The foils were prepared by …

Ferromagnetic shape memory microactuators

M Kohl, B Krevet, M Ohtsuka, D Brugger… - Materials transactions, 2006 - jstage.jst.go.jp
Ferromagnetic shape memory alloys (FSMAs) are a new class of functional materials, which
show, besides shape memory and pseudoelasticity, a strong influence of an external …

Successive occurrence of ferromagnetic and shape memory properties during crystallization of NiMnGa freestanding films

H Rumpf, CM Craciunescu, H Modrow, K Olimov… - Journal of magnetism …, 2006 - Elsevier
Ni50Mn30Ga20 films of 13μm thickness were fabricated by DC magnetron sputtering on
unheated glass substrates. The As-deposited films are partially crystalline and crystallize …

Microstructural, mechanical and magnetic properties of shape memory alloy Ni55Mn23Ga22 thin films deposited by radio-frequency magnetron sputtering

F Bernard, P Delobelle, C Rousselot, L Hirsinger - Thin Solid Films, 2009 - Elsevier
The near-stoichiometric Ni2MnGa ferromagnetic alloys are one of the smart materials, that
are of a great interest when they are deposited as a thin film by rf sputtering. These thin films …