CV and Publication List [pdf]
Personal Profiles at Databases: > ORCID ID: 0000-0003-0800-1924 > ResearcherID: B-8207-2009 > Scopus Author ID: 7004149010 > ResearchGate > Google Scholar
Current research interests include:
• First-principles modelling of materials; graphene and other 2D materials; quantum transport; spintronics Using density-functional-theory-based methods, investigating electronic, magnetic, mechanical, transport and optical properties of various low dimensional systems including carbon nanotubes, graphene, transition-metal-chalcogenides.
• Electron-phonon interactions, theory of polarons, bipolarons, excitons Investigating Fröhlich polarons and bipolarons in low dimensional systems, exitonic properties and photoluminescence in semiconductors.
Recent Projects:
• Enhancement of Thermoelectric Eficiency in Novel Two-dimensional Materials Through Nanostructuring (2017 – 2020) TÜBİTAK 117F131, Principle Investigator
• Ultrathin Transition-Metal-Dichalcogenides, III-V Compounds, and their Heterostructures (2015 – 2017) TÜBİTAK 114F397, Principle Investigator
• Design and Electronic Properties of Graphene-based Nanostructures (2011 – 2014) TÜBİTAK 111T318, Principle Investigator
• Spin Conductance and Magnetic Properties of Nanowires and Molecular Structures (2007 – 2010) TÜBİTAK 106T597, Principle Investigator
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Science Citation Index (SCI) Journal Papers
Highly Mobile Excitons in Single Crystal Methylammonium Lead Tribromide Perovskite Microribbons L. McClintock, Z. Song, H. C. Travaglini, R. T. Senger, V. Chandrasekaran, H. Htoon, D. Yarotski, D. Yu Journal of Physical Chemistry Letters 13, 3698 (2022)
2021Transport Modeling of Locally Photogenerated Excitons in Halide Perovskites K. W. Tang, S. Li, S. Weeden, Z. Song, L. McClintock, R. Xiao, R. T. Senger, D. Yu Journal of Physical Chemistry Letters 12, 3951 (2021)
Enhancement of thermoelectric efficiency of T-HfSe2 via nanostructuring E. Ünsal, R. T. Senger, H. Sevinçli Physical Review B 103, 014104 (2021)
2020Temperature and Gate Dependence of Carrier Diffusion in Single Crystal Methylammonium Lead Iodide Perovskite Microstructures L. McClintock, R. Xiao, Y. Hou, C. Gibson, H. C. Travaglini, D. Abramovitch, L. Z. Tan, R. T. Senger, Y. Fu, S. Jin, D. Yu Journal of Physical Chemistry Letters 11, 1000 (2020)
2019Stacking-dependent excitonic properties of bilayer blue phosphorene F. Iyikanat, E. Torun, R. T. Senger, H. Sahin Physical Review B 100, 125423 (2019)
Ballistic thermoelectric properties of monolayer semiconducting transition metal dichalcogenides and oxides G. Özbal, R. T. Senger, C. Sevik, H. Sevinçli Physical Review B 100, 085415 (2019)
Monitoring the characteristic properties of Ga-doped ZnO by Raman spectroscopy and atomic scale calculations S. Horzum, F. Iyikanat, R. T. Senger, C. Çelebi, M. Sbeta, A. Yildiz, T. Serin Journal of Molecular Structure 1180, 505 (2019)
2018Hydrogenated Derivatives of Hexacoordinated Metallic Cu2Si Monolayer E. Unsal, F. Iyikanat, H. Sahin, R. T. Senger RSC Advances 8, 39976 (2018)
Directed growth of hydrogen lines on graphene: High-throughput simulations powered by evolutionary algorithm G. Özbal, J. T. Falkenberg, M. Brandbyge, R. T. Senger, H. Sevinçli Physical Review Materials 2, 073406 (2018)
Strain mapping in single-layer two-dimensional crystals via Raman activity M. Yagmurcukardes, C. Bacaksiz, E. Unsal, B. Akbali, R. T. Senger, H. Sahin Physical Review B 97, 115427 (2018)
Tuning Electronic and Magnetic Properties of Monolayer α-RuCl3 by In-plane Strain F. Iyikanat, M. Yagmurcukardes, R. T. Senger, H. Sahin Journal of Materials Chemistry C 6, 2019 (2018)
Experimental and computational investigation of graphene/SAMs/n-Si Schottky diodes H. Aydin, C. Bacaksiz, N. Yagmurcukardes, C. Karakaya, O. Mermer, M. Can, R. T. Senger, H. Sahin, Y. Selamet Applied Surface Science 428, 1010 (2018)
2017Stable Monolayer α-Phase of CdTe: Strain-Dependent Properties E. Unsal, R. T. Senger, H. Sahin Journal of Materials Chemistry C 5, 12249 (2017)
Hydrogenation-driven phase transition in single-layer TiSe2 F. Iyikanat, A. Kandemir, H. D. Ozaydin, R. T. Senger, H. Sahin Nanotechnology 28, 495709 (2017)
Stable Ultra-thin CdTe Crystal: A Robust Direct Gap Semiconductor F. Iyikanat, B. Akbali, J. Kang, R. T. Senger, Y. Selamet, H. Sahin Journal of Physics: Condensed Matter 29, 485302 (2017)
Hydrogen-Induced Structural Transition in Single Layer ReS2 M. Yagmurcukardes, C. Bacaksiz, R. T. Senger, H. Sahin 2D Materials 4, 035013 (2017)
Nitrogen doping for facile and effective modification of graphene surfaces A. Yanilmaz, A. Tomak, B. Akbali, C. Bacaksiz, E. Ozceri, O. Ari, R. T. Senger, Y. Selamet, H. M. Zareie RSC Advances 7, 28383 (2017)
Ultra-Thin ZnSe: Anisotropic and Flexible Crystal Structure C. Bacaksiz, R. T. Senger, H. Sahin Applied Surface Science 409, 426 (2017)
h-AlN-Mg(OH)2 van der Waals bilayer heterostructure: Tuning the excitonic characteristics C. Bacaksiz, A. Dominguez, A. Rubio, R. T. Senger, H. Sahin Physical Review B 95, 075423 (2017)
Atomic-scale understanding of dichlorobenzene-assisted poly 3-hexylthiophene-2,5-diyl nanowire formation mechanism M. Yagmurcukardes, D. Kiymaz, C. Zafer, R. T. Senger, H. Sahin Journal of Molecular Structure 1134, 681 (2017)
2016Mechanical properties of monolayer GaS and GaSe crystals M. Yagmurcukardes, R. T. Senger, F. M. Peeters, H. Sahin Physical Review B 94, 245407 (2016)
Nanoribbons: from Fundamentals to State-of-the-art Applications M. Yagmurcukardes, F. M. Peeters, R. T. Senger , H. Sahin Applied Physics Reviews 3, 041302 (2016)
Mg(OH)2-WS2 van der Waals heterobilayer: Electric field tunable band-gap crossover M. Yagmurcukardes, E. Torun, R. T. Senger, F. M. Peeters, H. Sahin . Physical Review B 94, 195403 (2016)
Quantum Transport Characteristics of Lateral pn-Junction of Single Layer TiS3 F. İyikanat, R. T. Senger, F. M. Peeters, H. Sahin ChemPhysChem 17, 3985 (2016)
Controlled growth mechanism of poly (3-hexylthiophene) nanowires D. Kiymaz, M. Yagmurcukardes, A. Tomak, H. Sahin, R. T. Senger, F. M. Peeters, H. M. Zareie, C. Zafer Nanotechnology 27, 455604 (2016)
Structural Changes in Schiff Base Molecular Assembly Initiated by Scanning Tunneling Microscopy Tip A. Tomak, C. Bacaksiz, G. Mendirek, H Sahin, D. Hur, K. Gorgun, R. T. Senger, O. Birer, F. M. Peeters, H. Zareie Nanotechnology 27, 335601 (2016)
Bilayer SnS2: Easy-tunable stacking sequence by charging and loading pressure C. Bacaksiz, S. Cahangirov, A. Rubio, R. T. Senger, F. M. Peeters, H. Sahin Physical Review B 93, 125403 (2016)
Computing Optical Properties of Ultra-thin Crystals H. Sahin, E. Torun, C. Bacaksiz, S. Horzum, J. Kang, R. T. Senger, F. M. Peeters WIREs Computational Molecular Science 6, 351 (2016)
Nitrogenated, Phosphorated and Arsenicated Monolayer Holey Graphenes M. Yagmurcukardes, S. Horzum, E. Torun, F. M. Peeters, R. T. Senger Physical Chemistry Chemical Physics 18, 3144 (2016)
2015Electronic and Magnetic Properties of 1T-TiSe2 Nanoribbons H. D. Ozaydin, H. Sahin, J. Kang, F. M. Peeters, R. T. Senger 2D Materials 2, 044002 (2015) [PDF]
Layer and strain-dependent optoelectronic properties of hexagonal AlN D. Kecik, C. Bacaksiz, R. T. Senger, E. Durgun Physical Review B 92, 165408 (2015) [PDF]
Tuning the magnetic anisotropy in single layer crystal structures E. Torun, H. Sahin, C. Bacaksiz, R. T. Senger, F. M. Peeters Physical Review B 92, 104407 (2015) [PDF]
Pentagonal monolayer crystals of carbon, boron nitride, and silver azide M. Yagmurcukardes, H. Sahin, J. Kang, E. Torun, F. M. Peeters, R. T. Senger Journal of Applied Physics 118, 104303 (2015) [PDF]
TiS3 nanoribbons: Width-independent band gap and strain-tunable electronic properties J. Kang, H. Sahin, H. D. Ozaydin, R. T. Senger, F. M. Peeters Physical Review B 92, 075413 (2015) [PDF]
Portlandite crystal: Bulk, bilayer, and monolayer structures Y. Aierken, H. Sahin, F. Iyikanat, S. Horzum, A. Suslu, B. Chen, R. T. Senger, S. Tongay, F. M. Peeters Physical Review B 91, 245413 (2015) [PDF]
Vacancy Formation and Oxidation Characteristics of Single Layer TiS3 F. Iyikanat, H. Sahin, R. T. Senger, F. M. Peeters Journal of Physical Chemistry C 119, 10709 (2015) [PDF]
Hexagonal AlN: Dimensional-crossover-driven band-gap transition C. Bacaksız, H. Sahin, H. D. Ozaydin, S. Horzum, R. T. Senger, F. M. Peeters Physical Review B 91, 085430 (2015) [PDF]
2014Ag and Au atoms intercalated in bilayer heterostructures of transition metal dichalcogenides and graphene F. Iyikanat, H. Sahin, R. T. Senger, F. M. Peeters APL Materials 2, 092801 (2014) [PDF]
Formation and diffusion characteristics of Pt clusters on Graphene, 1H-MoS2 and 1T-TaS2 H. D. Ozaydin, H. Sahin, R. T. Senger, F. M. Peeters Annalen der Physik 526, 423 (2014) [PDF]
2013 ... 2008Cleavage induced rows of missing atoms on ZnTe (110) surface C. Çelebi, O. Arı, R. T. Senger Physical Review B 87, 085308 (2013) [PDF]
Hartree-Fock approximation of bipolaron state in quantum dots and wires R. T. Senger, B. Kozal, A. Chatterjee, A. Erçelebi European Physical Journal B 78, 525 (2010) [PDF]
Spintronic properties of zigzag-edged triangular graphene flakes H. Şahin, R. T. Senger, S. Ciraci Journal of Applied Physics 108, 074301 (2010) [PDF]
Monolayer honeycomb structures of group-IV elements and III-V binary compounds: First-principles calculations H. Şahin, S. Cahangirov, M. Topsakal, E. Bekaroglu, E. Akturk, R. T. Senger, S. Ciraci Physical Review B 80, 155453 (2009) [PDF]
First principles calculations of spin-dependent conductance of graphene flakes H. Şahin, R. T. Senger Physical Review B 78, 205423 (2008) [PDF]
2007Dynamics of Phononic Dissipation at the Atomic Scale: Dependence on Internal Degrees of Freedom H. Seviçli, S. Mukhopadhyay, R. T. Senger, S. Ciraci Physical Review B 76, 205430 (2007) [PDF]
Nitrogen incorporation and optical studies of GaAsSbN/GaAs single quantum well heterostructures K. Nunna, S. Iyer, L. Wu, J. Li, S. Bharatan, X. Wei, R. T. Senger, K. K. Bajaj Journal of Applied Physics 102, 053106 (2007) [PDF]
Optical Studies of MBE Grown GaAsSbN/GaAs Single Quantum Well Structures K. Nunna, S. Iyer, L. Wu, S. Bharatan, J. Li, K. K. Bajaj, X. Wei, R. T. Senger Journal of Vacuum Science and Technology B 25, 1113 (2007) [PDF]
Oscillatory Exchange Coupling in Linear Magnetic Molecules H. Sevinçli, R. T. Senger, E. Durgun, S. Ciraci Journal of Physics: Condensed Matter 19, 216205 (2007) [PDF]
2006Spintronic properties of carbon-based one-dimensional molecular structures E. Durgun, R. T. Senger, H. Sevinçli, H. Mehrez, S. Ciraci Physical Review B 74, 235413 (2006) [PDF]
Size-dependent alternation of magnetoresistive properties in atomic chains E. Durgun, R. T. Senger, H. Mehrez, H. Sevinçli, S. Ciraci Journal of Chemical Physics 125, 121102 (2006) [PDF]
Monte-Carlo simulation of localization dynamics of excitons in ZnO and CdZnO quantum well structures T. Makino, K. Saito, A. Ohtomo, M. Kawasaki, R. T. Senger, K. K. Bajaj Journal of Applied Physics 99, 066108 (2006) [PDF]
Nanospintronic Properties of Carbon-Cobalt Atomic Chains E. Durgun, R. T. Senger, H. Mehrez, S. Dag, S. Ciraci Europhysics Letters 73, 642 (2006) [PDF]
Determination of energy band offsets between GaN and AlN using excitonic luminescence transition in AlGaN alloys A. N. Westmeyer, S. Mahajan, K. K. Bajaj, J. Y. Lin, H. X. Jiang, D. D. Koleske, R. T. Senger Journal of Applied Physics 99, 013705 (2006) [PDF]
2005Half-metallic properties of atomic chains of carbon-transition metal compounds S. Dag, S. Tongay, T. Yildirim, E. Durgun, R. T. Senger, C. Y. Fong, S. Ciraci Physical Review B 72, 155444 (2005) [PDF]
Atomic chains of group-IV elements and III-V and II-VI binary compounds studied by a first-principles pseudopotential method R. T. Senger, S. Tongay, E. Durgun, S. Ciraci Physical Review B 72, 075419 (2005) [PDF]
Atomic and electronic structure of carbon strings S. Tongay, S. Dag, E. Durgun, R. T. Senger, S. Ciraci Journal of Physics: Condensed Matter 17, 3823 (2005) [PDF]
Carbon string structures: First-principles calculations of quantum conductance R. T. Senger, S. Tongay, S. Dag, E. Durgun, S. Ciraci Physical Review B 71, 235406 (2005) [PDF]
2004Theoretical study of crossed and parallel carbon nanotube junctions and three-dimensional grid structures S. Dag, R. T. Senger, S. Ciraci Physical Review B 70, 205407 (2004) [PDF]
Chiral single-wall gold nanotubes R. T. Senger, S. Dag, S. Ciraci Physical Review Letters 93, 196707 (2004) [PDF]
Ab-initio electron transport calculations of carbon based string structures S. Tongay, R. T. Senger, S. Dag, S. Ciraci Physical Review Letters 93, 136404 (2004) [PDF]
Functionalized carbon nanotubes and device applications S. Ciraci, S. Dag, T. Yildirim, O. Gulseren, R. T. Senger Journal of Physics: Condensed Matter 16, R901 (2004) [PDF]
Binding energies of excitons in II-VI compound-semiconductor-based quantum well structures R. T. Senger, K.K. Bajaj physica status solidi (b) 241, 1986 (2004) [PDF]
2003Magnetoluminescence properties of GaAsSbN/GaAs quantum well structures R. T. Senger, K. K. Bajaj, E. D. Jones, N. A. Modine, K. E. Waldrip, F. Jalali, J. F. Klem, G. M. Peake, X. Wei, S. W. Tozer Applied Physics Letters 83, 5425 (2003) [PDF]
Photoluminescence excitonic linewidth in GaAsN alloys R. T. Senger, K. K. Bajaj Journal of Applied Physics 94, 7505 (2003) [PDF]
Binding energies of excitons in polar quantum well heterostructures R. T. Senger, K. K. Bajaj Physical Review B 68, 205314 (2003) [PDF]
Magneto-optical properties of GaAsSb/GaAs quantum wells R. T. Senger, K. K. Bajaj, E. D. Jones, N. A. Modine, K. E. Waldrip, F. Jalali, J. F. Klem, G. M. Peake, X. Wei, S. W. Tozer Applied Physics Letters 83, 2614 (2003) [PDF]
Optical properties of confined polaronic excitons in spherical ionic quantum dots R. T. Senger, K. K. Bajaj Physical Review B 68, 045313 (2003) [PDF]
Polaronic exciton in a parabolic quantum dot R. T. Senger, K. K. Bajaj physica status solidi (b) 236, 82 (2003) [PDF]
2002Strong-coupling theory of two dimensional large bipolarons in elliptical quantum dots R. T. Senger, A. Erçelebi European Physical Journal B 26, 253 (2002) [PDF]
On the stability of Fröhlich bipolarons in spherical quantum dots R. T. Senger, A. Erçelebi Journal of Physics: Condensed Matter 14, 5549 (2002) [PDF]
Energy-transfer rate in a double-quantum-well system due to Coulomb coupling R. T. Senger, B. Tanatar Solid State Communications 121, 61 (2002) [PDF]
2000 ... 1994Stability of low-dimensionally-confined bipolarons R. T. Senger, A. Erçelebi European Physical Journal B 16, 439 (2000) [PDF]
Path-integral approximation on the stability of large bipolarons in quasi-one-dimensional confinement R. T. Senger, A. Erçelebi Physical Review B 61, 6063 (2000) [PDF]
Quasi-two-dimensional Feynman bipolarons R. T. Senger, A. Erçelebi Physical Review B 60, 10070 (1999) [PDF]
Path Integral Description of Low Dimensional Polarons in Parabolic Confinement Potentials R. T. Senger, A. Erçelebi Journal of Physics: Condensed Matter 9, 5067 (1997) [PDF]
Strong Coupling Characterisation of Quasi-1D Polarons in Cylindrical QW-Wires A. Erçelebi, R. T. Senger Solid State Communications 97, 509 (1996) [PDF]
Ground State Description of Quasi-1D Polarons with Arbitrary Electron-Phonon Coupling Strength A. Erçelebi, R. T. Senger Physical Review B 53, 11008 (1996) [PDF]
A Variational Study of the Ground Landau Level of the 2D-Fröhlich Polaron in a Magnetic Field A. Erçelebi, R. T. Senger Journal of Physics: Condensed Matter 7, 9989 (1995) [PDF]
Energy and Mass of 3D and 2D Polarons in the Overall Range of the Electron-Phonon Coupling Strength A. Erçelebi, R. T. Senger Journal of Physics: Condensed Matter 6, 5455 (1994) [PDF]
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