We are happy to announce a new publication in Applied Physics Letters: L. Straka, L. Fekete, and O. Heczko, Antiphase boundaries in bulk Ni-Mn-Ga Heusler alloy observed by magnetic force microscopy, Appl. Phys. Lett. 113 (2018) 172901; https://doi.org/10.1063/1.5052408 A
New method found for visualization of antiphase boundaries – oral presentation at Joint European Magnetic Symposia (JEMS)
The project results related to the magnetic hysteresis and the effect of antiphase boundaries on the pinning of magnetic domains: L. Straka, L. Fekete, O. Heczko, Domain wall pinning in magnetic shape memory alloys with small and enlarged magnetic hysteresis
Best Poster Award for our joint work at Esomat Conference
Our joint work with Material Physics Laboratory, Savonlinna, Finland: D. Musiienko, A. Saren, L. Straka, L. Klimša, K. Ullakko, High speed actuation of Ni-Mn-Ga micropillars by pulsed magnetic field, got Best Poster Award at Esomat Conference, Metz, France,
Oral and poster presentation at Esomat Conference, Metz, France, Aug. 2018
The project results related to our finding of nanotwinning in Ni-Mn-Ga were presented at Esomat International conference in Metz, France in oral and by poster (see below). We show that the material becomes nanotwinned for certain ranges of composition and
New project publication — from coarse twins to nanotwins by cooling
New project article has been published describing our finding of nanotwinning in Ni-Mn-Ga alloy. We show that the material becomes nanotwinned for certain ranges of composition and temperature. As the nanotwinning distorts the relation between the crystal lattice and the
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Presentations and publications at Actuator 2018 Conference, Bremen, Germany
The project results related to development of MSM microdevices and microactuators were presented at the ACTUATOR 2018: 16th International Conference on New Actuators, Bremen, Germany, 25–27 June 2018 orally and in the form of poster. They were also summarized in
Seminar on European grants: from MSCA-IF to ERC (presentation included)
Within the seminar organized at Institute of Physics I gave a presentation on my experience with MSCA-IF application process in order to help other applicants in their effort. The presentation included a workshop on application evaluation where I served as
New project publication “Giant magnetic-field-induced strain in Ni-Mn-Ga micropillars” (video included!)
In collaboration with Material Physics Laboratory of Lappeenranta University of Technology we started a series of experiments towards practical applications of magnetic shape memory alloys on microscale. This article summarizes the key result that focused Xe-ion beam milling can be
Gallery
Focused Xe-ion beam microfabrication of pillar for magnetic actuation on microscale ( L. Straka, L. Klimša, J. Kopeček, D . Musiienko ) See how prototype MSM microdevices can be fabricated using focused Xe-ion beam. The fabricated pillar exhibit magnetic actuation