Professur für Opto- und Festkörperelektronik






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Enver Nakhmedov

 
Contact Address
Technische Universität Chemnitz
A.-F.-Weinhold-Bau, Zimmer 533
Reichenhainer Straße 70
D-09126 Chemnitz 		Telefon: +49 (0)371-531 35022
Telefax: +49 (0)371-531 24419
E-Mail:  enver.nakhmedov@e-technik.tu-chemnitz.de
 
Research Interests
  • disordered semiconductors and metals; Anderson localization in low dimensional disordered systems
  • theory of superconductivity
  • nano-structures and mesoscopic effects
  • transport in doped insulators and semiconductors
 
Research Methods
  • Green's functions and the Feynman's diagrammatic methods
  • Feynman's functional integral approach
  • Exact solvable methods
  • Shrödinger Poisson solver
  • ab initio electronic structure methods
 
Publications
E. Nadimi and C. Radehaus, E.P. Nakhmedov, and K. Wieczorek, "Simulation of the direct tunneling current in Metal- Oxide- Semiconductor capacitor with half- opened boundaries", in preparation

E. P. Nakhmedov, C. Radehaus, and K. Wieczorek,"Study of direct tunnelling current oscillations in ultrathin gate dielectrics", J. Appl. Phys., 97, 064107 (2005)

E. P. Nakhmedov, K. Wieczorek, H. Burghardt, and C. Radehaus, "Quantum mechanical study of the direct tunnelling current in metal-oxide-semiconductor structures",J. Appl. Phys.98, (2005)

E. P. Nakhmedov, K. Morawetz, M. Ameduri, A. Yurtsever, and C. Radehaus,"Exactly solvable model of three interacting particles in an external magnetic field",Phys. Rev. B 67, 205106 (2003)

E. P. Nakhmedov and K. Morawetz, "Formation of three- particle clusters in heterojunctions and MOSFET structures", Phys. Rev. B 66, 195333 (2002)

E. P. Nakhmedov, V. N. Prigodin, and E. Sasioglu, "Mesoscopic fluctuations of the density of states and conductivity in the middle of the band for disordered lattices", Phys. Rev. B 66, 075106 (2002)

E. P. Nakhmedov, V. Prigodin, S. Caliskan, and E. Sasioglu, "Effects of correlations on the conductivity of a two- dimensional weakly disordered lattice with particle- hole symmetric energy band: Metal- Insulator transition at half- filling", Phys. Rev. B 66, 233105 (2002)

E. P. Nakhmedov and V. N. Prigodin, "Short- range interaction effects on the density of states of disordered two- dimensional crystals with half filled band", Phys. Rev. B 65, 235107 (2002)

S. Caliskan, E. Sasioglu, M. Kumru, E. P. Nakhmedov, O. Cakiroglu, and B. Karaoglu, "Mean field approach to the correlation effects on the density of electronic states and conductivity of disordered metals", Phys. Status Solidi (b) 229, 1205 (2002)

E. P. Nakhmedov, M. Kumru, and R. Oppermann, Reply, Phys. Rev. Lett., 87, 239704 (2001)

E. P. Nakhmedov, H. Feldmann, R. Oppermann, and M. Kumru, "Effects of substitutional impurities on the electronic states and conductivity of crystals with half- filled band", Phys. Rev. B 62, 13490 (2000)

H. Feldmann, E. P. Nakhmedov, and R. Oppermann, "Distribution functions of the local density of states of one- channel weakly disordered ring in an external magnetic field", Phys. Rev. B 62, 2401 (2000)

E. P. Nakhmedov, M. Kumru, and R. Oppermann, "Density of states of disordered crystals with half- filled band", Phys. Rev. Lett. 84, 3930 (2000)

E. P. Nakhmedov, H. Feldmann, and R. Oppermann, "Ahoronov- Bohm effect in one- channel weakly disordered rings", Europ. Phys. J. B 16, 515 (2000)

E. P. Nakhmedov, M. Alp, O. A. Sacli, and K. Al- Shibani, "Magnon localization in one- dimensional disordered XYZ Heisenberg Ferromagnets", Phys.Status Solidi (b) 205, 633 (1998)

E. P. Nakhmedov, O. Cakiroglu, M. Huner, and K. Al- Shibani, "Charging effects on the critical temperature of the Josephson- coupled layered superconductors", Physica C: Superconductivity, 299, 307 (1998)

E. P. Nakhmedov and M. Huner, "Interlayer pairing in the Josephson- coupled layered superconductors", Physica C: Superconductivity 299, 301 (1998)

E. P. Nakhmedov and Yu. A. Firsov, "Influence of the order parameter phase fluctuations on the physical properties of quasi- one dimensional superconductors", Physica C:Superconductivity 295, 150 (1998)

E. P. Nakhmedov, "Effects of anisotropy on the energy gap and the critical temperature in a strongly coupled layered superconductor", Phys. Rev. B 54, 6624 (1996)

K. Al- Shibani, A. Al- Agl, A. Al- Muezzin, H. Humeida, E. P. Nakhmedov, T. Firat, O. Ozturk, and O. A. Sacli, "Effect of forming pressure on the critical temperature in YBa2Cu3O7 Superconductor", Phys. Status Solidi (b) 189, 177 (1995)

E. P. Nakhmedov and E. V. Tahirov, "Josephson- coupled layered superconductors with two- order parameters: I. Upper critical magnetic field", J. Phys.: Condensed Matter 6, 2245 (1994)

E. P. Nakhmedov and E. V. Tahirov, "Josephson- coupled layered superconductors with two- order parameters: II. Lower critical magnetic field", J. Phys.: Condensed Matter 6, 2259 (1994)

S. Rzaev and E. P. Nakhmedov, "Metal- Insulator Transition and nonlinear electric field dependence of the conductivity along a single dislocation in Si", Fizika Tverdogo Tela 35, 1038 (1993) [Sov. Phys.- Solid State Physics 35, 532 (1993)]

E. P. Nakhmedov, O.A. Sacli, and I. Askerzade, "Influence of the Coulomb repulsion and fluctuation effects on the critical temperature in layered superconductors", J. Phys.: Condensed Matter 5, 1099 (1993)

E. P. Nakhmedov, V. N. Prigodin, and A. Samukhin, "Hopping transport in quasi- one- dimensional systems with weak disorder", Fizika Tverdogo Tela 31, 31 (1989) [Sov. Phys.- Solid State Physics 31, 368 (1989)]

E. P. Nakhmedov, V. N. Prigodin, and A. Samukhin, "Transient effects in a disordered system with weakly interacting traps", Fizika Tverdogo Tela 30, 997 (1989) [Sov. Phys.- Solid State Physics 30, 579 (1989)]

Yu. A. Firsov, E. P. Nakhmedov, and V. N. Prigodin, "Low temperature conductivity of a weakly disordered strongly anisotropic two- dimensional system with electron- electron interactions", Phys. Status Solidi (b) 145, 625 (1988)

E. P. Nakhmedov, Yu. A.Firsov, and V. N. Prigodin, "Localization dynamics in weakly disordered systems", Zh. Eksp. Teor. Fiz. 92, 2133 (1987) [Sov. Phys.- JETP 65, 1202 (1987)]

E. P. Nakhmedov, Yu. A.Firsov, and V. N. Prigodin, "Influence of elctron- electron interactions on magnetoresistance of the strongly anisotropic nearly two- dimensional electron gas: open Fermi surface case", Fizika Tverdogo Tela 29, 2014 (1987) [Sov. Phys.- Solid State Physics 29, 1158 (1987)]

Yu. A. Firsov, E. P. Nakhmedov, V. N. Prigodin, and W. Weller, "Corrections from electron- electron interactions to the one- particle density of states in strongly anisotropic two- dimensional systems", Phys. Status Solidi (b) 141, 111 (1987)

Yu. A. Firsov, E. P. Nakhmedov, and V. N. Prigodin, "The dynamical aspects of the localization process for an electron in disordered systems", in book: Teubner Text für Physik, Eds.: W. Weller and P. Ziesche, Vol.2, 29 (1987)

Yu. A. Firsov, E. P. Nakhmedov, V. N. Prigodin, and W. Weller, "Weak localization in strongly anisotropic two- dimensional systems such as grain boundaries in bicrystals and surface superlattices", in book: Teubner Text für Physik, Eds.: W. Weller and P. Ziesche, Vol.2, 207 (1987)

Yu. A. Firsov, E. P. nakhmedov, and V. N. Prigodin, "Strongly anisotropic two- dimensional localization effects caused by weak disorder in bicrystal grain boundaries and surface superlattices", in book: Properties and Structures of Dislocations in Semiconductors, Moscow, Chernogolovka, 1989, p. 158

E. P. Nakhmedov, Yu. A.Firsov, and V. N. Prigodin, "Effects of weak localization on magnetoresistance in strongly anisotropic two- dimensional systems", Pis'ma v Zh. Eksp. Teor. Fiz. 43, 575 (1986) [Sov. Phys.- JETP Lett. 43, 743 (1986)]

V. N. Prigodin, Ch. Seidel, and E. P. Nakhmedov, "Trap limted hopping in one- dimensional and quasi- one- dimensional systems", Phys. status Solidi (b) 128, 345 (1985)

V. N. Prigodin, Ch. Seidel, and E, P. Nakhmedov, "Trap controlled hopping in one- dimensional systems", Solid State Commun. 53, 451 (1985)