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Dr. Deniz Çakır
Dr. Deniz Cakir obtained his Bachelor in Science in Physics from the Middle East Technical University (METU), Turkey in 2008. He earned his Master of Science (M.Sc.) and PhD in Physics from Bilkent University, Turkey in 2003 and 2008, respectively. After obtaining his PhD degree in Theoretical Condensed Matter Physics, he worked as a postdoctoral researcher in the University of Twente, the Netherlands (2008-2012) and the University of Antwerp, Belgium (2013-2016). He served as a visiting researcher in the Okinawa Institute of Science and Technology (OIST), Japan in 2012-2013.
Dr. Cakir has a keen interest on studying physical and chemical properties of nanostructure and bulk materials by using state-of-the-art first-principles methods based on Density Functional Theory. He has considerable expertise in most of the ab-initio packages including VASP, PWSCF, SIESTA, TRANSIESTA, and NWCHEM. In last three years, he has further extended his research to include two-dimensional (2D) materials that are expected to be key ingredients for the future nanoelectronics and optoelectronics. His current research interests are the investigation of material properties and functionalization of novel 2D materials including graphene, black phosphorus, transition metal dichalcogenides, and Mxenes.
In his M.Sc. study (2001-2003), he mainly focused on the physical properties of ultra-thin metal nanowires. During his PhD (2003-2008), he worked on TiO2 nanostructures and their photovoltaic and photocatalytic applications. He studied interfaces between the metal free perylenediimide-based dye molecules and several low index TiO2 surfaces (rutile (110) and anatase (001)) for dye sensitized solar cell (DSSC) applications. He examined the growth, energetics and structural and electronic properties of small Pt and bimetallic PtAu clusters, supported on TiO2 surfaces. He also studied the structural, mechanical, electronic, and magnetic properties of small TiO2 clusters and nanowires and spintronic applications of Si nanowires.
When he was as a postdoctoral researcher at the Computational Materials Science group at the University of Twente, he worked in two European projects called "Complex Solid State Reactions for Energy Efficient Hydrogen Storage" in 2008-2010 and "Modelling of electronic processes at interfaces in organic-based electronic devices" in 2010-2012. In the former project, he focused on the hydrogen storage in Li-Mg imides/amides and lightweight metal borohydrides. In the latter project, he worked on the modelling of electronic properties of metal-organic and organic-organic interfaces. He involved in development of a simple model based upon integer charge transfer to explain the Fermi level pinning at metal-organic interfaces. In addition, he studied the electronic transport in fullerene-based vertical spin valve devices using nonequilibrium Green's functions formalism.