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RESEARCH INTERESTS

Magnetic and magnetocaloric materials, combinatorial experimentation

ABOUT/BIOGRAPHY

Dr. V. Alexandrakis is an experimental physicist. He received his PhD in materials physics in 2009 from the University of Ioannina. His research field is magnetism, particularly his research activities are focused on tailoring the magnetic properties of thin films and nanoparticles, making functional magnetic composites. His research interests are in magnetic hysteresis, magnetization switching mechanisms and magnetocaloric properties with applications in magnetic recording, permanent magnets and energy. He is also expert in combinatorial experimentation. He has participated in several European and national research projects and was coordinator of “Magnetostructural transitions and magnetocaloric effect in metamagnetic Heusler alloys” project (No 2530) funded by Hellenic foundation for research and innovation.

Scopus Author Identifier:  23097282600

PUBLICATIONS

Basina, Georgia, Alexandrakis, Vasileios, Panagiotopoulos, Ioannis, Niarchos, Dimitrios, Devlin, Eamonn, Gjoka, Margarit, Hadjipanayis, George C. and Tzitzios, Vasileios, Low-Platinum-Content Exchange-Coupled CoPt Nanoalloys with Enhanced Magnetic Properties Nanomaterials, Volume 14, 2024 [doi]

Anastasakos-Paraskevopoulos, Dimitris, Sarafidis, Charalampos, Giannouri, Maria, Alexandrakis, Vasileios and Panagiotopoulos, Ioannis, Investigation of the magnetic and structural properties in the non-stoichiometric Heusler alloy Ni50Mn25+xSn25-x; x = 13, 14 Applied Research, Volume 3, 2024 [doi]

Golub, V., Aseguinolaza, I.R., Salyuk, O., Popadiuk, D., Sharay, I., Fernández, R., Alexandrakis, V., Bunyaev, S.A., Kakazei, G.N., Barandiarán, J.M. and Chernenko, V.A., Thickness dependences of structural and magnetic properties of Ni(Co)MnSn/MgO(001) thin films Journal of Alloys and Compounds, Volume 862, 2021 [doi]

Alexandrakis, Vasileios, Rodríguez-Aseguinolaza, Iván, Anastasakos-Paraskevopoulos, Dimitrios, Barandiarán, Jose Manuel, Chernenko, Volodymyr and Porro, Jose Maria, Spontaneous zero-field cooling exchange bias in ni–co–mn– sn metamagnetic heusler sputtered film Nanomaterials, Volume 11, 2021 [doi]

Alexandrakis, Vasileios, Barandiaran, José Manuel, Pérez-Checa, Anabel, Lázpita, Patricia, Decker, Peer, Salomon, Steffen, Feuchtwanger, Jorge, Ludwig, Alfred and Chernenko, Volodymyr, Combinatorial synthesis of Ni–Mn–Ga-(Fe,Co,Cu) high temperature ferromagnetic shape memory alloys thin films Scripta Materialia, Volume 178, Pages: 104 - 107, 2020 [doi]

Alexandrakis, V., Aseguinolaza, I.R., Decker, P., Salomon, S., Barandiarán, J.M., Ludwig, A. and Chernenko, V.A., Martensitic transformation hysteresis in Ni(Co)-Mn-Sn/MgO metamagnetic shape memory thin films Scripta Materialia, Volume 156, Pages: 101 - 104, 2018 [doi]

Fackler, Sean W., Alexandrakis, Vasileios, König, Dennis, Kusne, A. Gilad, Gao, Tieren, Kramer, Matthew J., Stasak, Drew, Lopez, Kenny, Zayac, Brad, Mehta, Apurva, Ludwig, Alfred and Takeuchi, Ichiro, Combinatorial study of Fe-Co-V hard magnetic thin films Science and Technology of Advanced Materials, Volume 18, Pages: 231 - 238, 2017 [doi]

Tzitzios, V., Basina, G., Tzitzios, N., Alexandrakis, V., Hu, X. and Hadjipanayis, G., Direct liquid phase synthesis of ordered L10 FePt colloidal particles with high coercivity using an Au nanoparticle seeding approach New Journal of Chemistry, Volume 40, Pages: 10294-10299, 2016 [doi]

Alexandrakis, V., Kechrakos, D., Moutis, N., Niarchos, D., Hadjipanayis, G. and Panagiotopoulos, I., Coercivity and random interfacial exchange coupling in CoPt/Co films Journal of Applied Physics, Volume 119, 2016 [doi]

Alexandrakis, Vasileios, Wallisch, Wolfgang, Hamann, Sven, Varvaro, Gaspare, Fidler, Josef and Ludwig, Alfred, Combinatorial Development of Fe-Co-Nb Thin Film Magnetic Nanocomposites ACS Combinatorial Science, Volume 17, Pages: 698 - 703, 2015 [doi]

Kauffmann-Weiss, S., Hamann, S., Reichel, L., Siegel, A., Alexandrakis, V., Heller, R., Schultz, L., Ludwig, A. and Fäahler, S., The Bain library: A Cu-Au buffer template for a continuous variation of lattice parameters in epitaxial films APL Materials, Volume 2, 2014 [doi]

Lee, J., Dymerska, B., Fidler, J., Alexandrakis, V., Speliotis, T., Niarchos, D., Pongratz, P. and Suess, D., Fabrication and high-resolution electron microscopy study of FePt L1 0/A1 graded exchange spring media Physica Status Solidi (A) Applications and Materials Science, Volume 210, Pages: 1305-1310, 2013 [doi]

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