Name

Surname

Evghenii

Harea

Institution name and department

Institute of Applied Physics, Acadeny of Sciences of Moldova

Position held

Senior Researcher

Address/Country

MD-2028, 5 Academiei str. Chisinau, Moldova

E-mail

Webpage

This email address is being protected from spambots. You need JavaScript enabled to view it.

https://phys.asm.md/en/personalpages/eharea

Key words

·       Indentation

·       Friction

·       Selective chemical treatment

Areas of Research/Expertise

-         Chemical instability of materials under mechanical load;

-         Influence of different external and internal factors (radiation, impurities, implantation, temperature, loading, chemical bond, dislocation density, etc.) on the mechanical properties;

-         Mechanism of the deformation and destruction of crystals, coated systems and other materials under concentrated load action.

-         Application of microindentation and nanoindentation methods for studying of different physical parameters and phenomena: hardness anisotropy, fracture anisotropy, mass transport, twinning, dislocation mobility, dislocation-disclination deformation mechanism, phase transformation, scale effect, etc.

-         Tribology.

-         Piezoresistivity and flexoelectricity in thin films.

-         Thermoplastic composites and rubber.

5 Most representative publications related to mechanochemistry 

1. Grabco, D., Shikimaka, O., Harea, E., Gehm, N., Schimmel, T., Koch, T. Anomalous dissolution of microindentation deformed zone of ito/si coated system. Phys. Status Solidi C, 2009, 5, 1295-1298, DOI: https://doi.org/10.1002/pssc.200881246

2. Harea, E. Microstructures produced by chemical etching of finely scratched silicon, in the NATO Science for Peace and Security Series by Springer 2010, Johann Peter Reithmaer  (Eds.) pp. 55-58. DOI: https://doi.org/10.1007/978-94-007-0903-4_6

3. Simashkevich, A., Sherban, D., Bruk, L., Harea, E., Usatii, I. Efficient ITO/nSi solar cells with silicon textured surface. Surface Engineering and Applied Electrochemistry, 2011, 47(3), 266–271. DOI: https://doi.org/10.3103/S1068375511030148

4. Harea, E., Lapsker, I., Laikhtman, A., Rapoport L., Bauschinger’s effect and dislocation structure under friction of LiF single crystals, Tribology Letters. 2013, 52(2), 205-212. DOI: https://doi.org/10.1007/s11249-013-0206-y

5. Sidiropoulos,A., Harea, E., Konstantinidis, A., Aifantis, E. “Pop-in” and “pop-out” effect in monocrystalline silicon. A statistical investigation. J Mech Behav Mater, 2017; 26(1–2), 65–71. DOI: https://doi.org/10.1515/jmbm-2017-0015

5 Most representative publications non-related to Mechanochemistry

1.     Shikimaka, O., Grabco, D., Sava, B., Elisa, M., Boroica, L., Harea, E., Pyrtsac, C., Prisacaru, A., Barbos, Z. Densification contribution as a function of strain rate under indentation of terbium-doped aluminophosphate glass. Journal of Materials Science, 2016,  51(3), 1409-1417.

DOI: https://doi.org/10.1007/s10853-015-9460-8

2.     Harea, E., Aifantis, K. Understanding the evolution of the pop-out effect in Si-based photovoltaics, Surface Engineering and Applied Electrochemistry. 2014, 6, 497-503.

DOI: https://doi.org/10.3103/S1068375514060040

3.     Harea, E. Changes in the Electric Resistance of Silicon under Cyclic Nanoindentation. Surface Engineering and Applied Electrochemistry. 2011, 47, 290–293. DOI: https://doi.org/10.3103/S1068375511030185

4.     Grabco, D., Shikimaka, O., Harea, E. Translation-rotation plasticity as basic mechanism of plastic deformation in macro-, micro- and nanoindentation processes. Journ. Phys. D: Applied Physics, 2008, 41, 074016.

DOI: https://doi.org/10.1088/0022-3727/41/7/074016

5.     Grabco, D., Dicusar, A., Petrenko, V., Harea, E., Shikimaka, O. Micromechanical Properties of Electrolytic Alloys Co-W at the Impact Deposition. Surface Engineering and Applied Electrochemistry, 2007, 43(1), 11-17. DOI: https://doi.org/10.3103/S1068375507010024

Orcid ID/ Google Scholar/ Researchgate/ Scopus profiles

Orcid ID

Google Scholar

Researchgate

https://www.researchgate.net/profile/Evghenii_Harea

Scopus profiles

Twitter/ Linkedin/ Instagram accounts

Twitter/

Linkedin

Instagram accounts

Primary focus in mechanochemical research