Department of Materials Science and Engineering University of Ioannina School of Engineering
 
 
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PHOTO Christina Lekka
Associate Professor
Atomic & Electronic Structure of Materials

LOCATION Administration Building, 1st floor, Office Π1
EMAIL chlekka@uoi.gr
PHONE (+30)-265100-0310 (Office)
WEB Full CV
Academic Titles
Educational & Professional Experience
Teaching Activities in the Department
Research Interests
Representative Publications

Academic Titles
  • Diploma of Physics, University of Ioannina, Greece (1996)
  • Ph.D. of Physics, University of Ioannina, Greece (2001)
Educational & Professional Experience
  • Postdoctoral Research assistant at the School of Computational Sciences, George Mason University, Fairfax VA, USA and the Center for Computational Materials Science, Naval Research Laboratory (NRL),Washington D.C., USA
  • Lecturer and Assistant Professor with contract, (according to the Greek law 407/1980), in the Department of Materials Science and Engineering, University of Ioannina, Greece (1/1/2003 - 31/8/2003 and 1/9/2003 - 30/8/2005)
  • Lecturer of “Atomic and Electronic structure of materials by computer simulations focusing on surfaces and interfaces” in the Department of Materials Science and Engineering, University of Ioannina, Greece (31/8/2005 - 6/9/2009)
  • Assistant Professor of “Atomic and Electronic structure of materials by computer simulations focusing on surfaces and interfaces” in the Department of Materials Science and Engineering, University of Ioannina, Greece (7/9/2009 - 6/7/2015)
  • Associate Professor of “Atomic and Electronic structure of materials" in the Department of Materials Science and Engineering, University of Ioannina, Greece (7/7/2015 until today)
  • Guest Professor in the Physics Dept., University of Vienna, Austria (May-June 2017): Teaching the course of "Computational Science of Nanoscaled Crystalline, Amorphous and Hybride Materials“ to undergraduate, MSc and Phd students also performing practical sessions in the Computer laboratory using the VASP (DFT) and the LAMMPS (MD) codes
Teaching Activities in the Department
  • UNDERGRADUATE COURSES
  • “Physics ΙΙ”
  • “Atomic and Electronic Structure of Materials”
  • “Applications of Informatics”
  • “Computational Methods in Materials Science”
  • “Introduction to Advanced Computational Materials Science”
  • GRADUATE COURSES (ADVANCED MATERIALS)
  • “Atomic and Electronic Structure of Advanced Materials”
  • "Advanced computational material modeling"
Research Interests
  • Atomic, electronic and optical properties of nanosized objects and biological molecules with the Density Functional theory (DFT) and the Augmented Plane Wave (APW) theory
  • Atomic and electronic structure of metals, vacancies, nanoclusters and nanowires with the NRL-Tight Binding (NRL-TB) theory and the NRL-TB molecular dynamics simulations
  • Structural, mechanical, vibrational and diffusion properties of metals (alloys) with classical semi-empirical molecular dynamics simulations (emphasis on surfaces, nanostructured and nanosized objects)
Representative Publications
  • Electronic origin of α to β phase transformation in Ti-Nb-based thin films upon Hf microalloying Gutiérrez Moreno, J.J., Panagiotopoulos, N.T., Evangelakis, G.A., Lekka, C.E. Materials, 2020, 13(6), pp. 1-11, 1288
  • Graphene nano-flakes on Cu low-index surfaces by density functional theory and molecular dynamics simulations (Book Chapter) Balerba, A.K., Kotanidis, A., Paraskeuas, A., ...Evangelakis, G.A., Lekka, C.E. Frontiers of Nanoscience, 2020, 17, pp. 141-159
  • Fe-Co magnetic nanoclusters by density functional theory calculations, C. Cutrano, Ch.E. Lekka, Materials Science and Technology 34 (2018) 1575
  • Electron beam induced rejuvenation in a metallic glass film during in-situ TEM tensile straining. C. Ebner, J. Rajagopalan, C. Lekka, C. Rentenberger, Acta Materialia 181 (2019) 148-159
  • An ab initio study of the structural and mechanical properties of Ti-Nb alloys, J. J. Gutiérrez Moreno, D. G. Papageorgiou,1 G. A. Evangelakis, Ch. E. Lekka, J. Applied Phys. 124 (2018) 245102
  • Elastic softening of β-type Ti-Nb alloys by indium additions, M. Calin, A. Helth, J.J. Gutierrez-Moreno, M. Boenisch, V. Brackmann, L. Giebeler, T.Gemming, Ch.E. Lekka, A. Gebert, R. Schnettler, J. Eckert, J. Mechan. Behav. Biomedical Mater. 39 (2014) 162
  • Electronic origin and structural instabilities of Ti-based alloys suitable for orthopaedic implants, Ch.E. Lekka, J.J. Gutiérrez-Moreno, M. Calin J. Phys. Chem. Solids 102 (2017) 49
  • Microscopic aspects of the deformation accommodation in the Cu46Zr54 Metallic Glass. Ch.E. Lekka, A. Ibenskas, A.R. Yavari, G.A. Evangelakis. Appl.Phys.Lett. 91 (2007) 214103
  • Complexation of Flavonoids with Iron. J.Ren, S. Meng, Ch.E. Lekka, E.Kaxiras. J. Phys. Chem. B, 112 (6), 1845 -1850, 2008
  • Electronic properties and bonding characteristics of AlN:Ag thin film nanocomposites. Ch. E. Lekka, P. Patsalas, Ph. Komninou, and G. A. Evangelakis. Journal of applied physics 109 (2011) 054310-054316
  • TiN Decoration of Single-Wall Carbon Nanotubes and Graphene by Density Functional Theory Computations. M. A. Gialampouki and Ch. E. Lekka. J. Phys. Chem. C 115 (2011) 15172–15181
  • Controlling the Orientation, Edge Geometry, and Thickness of Chemical Vapor Deposition Graphene, Adrian T. Murdock, Antal Koos, T. Ben Britton, Lothar Houben, Tim Batten, Tong Zhang,Angus J. Wilkinson, Rafal E. Dunin-Borkowski, Christina E. Lekka, and Nicole Grobert ACS Nano, 2013, 7 (2), 1351–1359
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