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Chelyabinskiy Fiziko-Matematicheskiy Zhurnal, 2023, Volume 8, Issue 1, Pages 104–111
DOI: https://doi.org/10.47475/2500-0101-2023-18109 (Mi chfmj314) 		 
Physics

Observation of the shape memory effect and thermoelastic martensitic transition in the nano-scale at Ti$_2$NiCu alloy in a transmission electron microscope

P. V. Legaab, A. P. Orlovac, V. V. Koledova, F. O. Milovichd

a Institute of Radio Engineering and Electronics. V. A. Kotelnikov RAS, Moscow, Russia
b Peoples' Friendship University of Russia, Moscow, Russia
c Institute of Nanotechnologies of Microelectronics, Russian Academy of Sciences, Moscow, Russia
d National Research Technological University "MISiS", Moscow, Russia
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DOI: https://doi.org/10.47475/2500-0101-2023-18109
Abstract: For the first time in a transmission electron microscope during heating and cooling, the reversible shape memory effect in composite amorphous-crystalline Ti$_2$NiCu samples was demonstrated while observing the evolution of the structure of martensitic twins and changes in shape. The studies were carried out on very thin wedge-shaped specimens with varying thickness from $200$ to $20$ nm, made in the form of a composite bimetallic nano-actuator using an original technique of local etching and polishing with a focused ion beam.
Keywords: shape memory effect, mertensitic transformations, phase transitions, size effect, nanotweezers.
Funding agency Grant number
Russian Science Foundation 22-19-00783
The study was supported by the grant of the Russian Science Foundation, project No. 22-19-00783.
Received: 25.07.2022
Revised: 20.01.2023
Document Type: Article
UDC: 539.3
Language: Russian
Citation: P. V. Lega, A. P. Orlov, V. V. Koledov, F. O. Milovich, “Observation of the shape memory effect and thermoelastic martensitic transition in the nano-scale at Ti$_2$NiCu alloy in a transmission electron microscope”, Chelyab. Fiz.-Mat. Zh., 8:1 (2023), 104–111
Citation in format AMSBIB
\Bibitem{LegOrlKol23}
\by P.~V.~Lega, A.~P.~Orlov, V.~V.~Koledov, F.~O.~Milovich
\paper Observation of the shape memory effect and thermoelastic martensitic transition in the nano-scale at Ti$_2$NiCu alloy in a transmission electron microscope
\jour Chelyab. Fiz.-Mat. Zh.
\yr 2023
\vol 8
\issue 1
\pages 104--111
\mathnet{http://mi.mathnet.ru/chfmj314}
\crossref{https://doi.org/10.47475/2500-0101-2023-18109}
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