Fachgebiet Theoretische Grundlagen der Materialentwicklung

 


 

Veröffentlichungen

 

 

Die Forschungsergebnisse des Fachgebiets zu Problemstellungen der zur Zeit untersuchten Materialklassen Übergangsmetalle, Hochtemperatursupraleiter, Organische Halbleiter und Ferroelektrika sind durch Originalarbeiten in Fachzeitschriften, durch Vorträge und Posters auf wissenschaftlichen Kongressen, in zusammenfassenden Beiträgen zu universitären Forschungsberichten sowie in Forschungsberichten auf der fachgebietseigenen Home Page dokumentiert und zugänglich gemacht.

 

 

Als repräsentative Veröffentlichungen in Fachzeitschriften seit dem Jahr 2000 seien genannt:

 

 

Übergangsmetalle

 

·      Hydrogen Concentrations near Cracks in Target Materials for High-Power Spallation Neutron Sources

 

  H. Rauh, H. Ullmaier, J. Nucl. Mater. 295 (2001) 109 - 120

 

 

Hochtemperatursupraleiter

 

·      Overcritical States of a Superconductor Strip in a Magnetic Environment

 

Y.A. Genenko, A. Snezhko, H.C. Freyhardt, Phys. Rev. B 62 (2000) 3453 - 3472

 

·      Surface Barrier Effect in a Current-Carrying Modified Meissner State of a Type II Superconductor

 

Y.A. Genenko, H.C. Freyhardt, Physica C 339 (2000) 201 - 208

 

·      Overcritical States in Magnetically Shielded Superconductor Strips

 

Y.A. Genenko, A. Usoskin, A. Snezhko, Physica C 341 (2000) 1063 - 1064

 

·      A Novel Magnet/Superconductor Heterostructure for High-Field Applications

 

  Y.A. Genenko, H. Rauh, A. Snezhko, Supercond. Sci. Technol. 14 (2001) 699 - 703

 

·      Novel Design of a Smart Magnet/Superconductor Heterostructure

 

     Y.A. Genenko, H. Rauh, A. Snezhko, Physica C 372 - 376 (2002) 1389 - 1393

 

·      Critical Current of a Magnetically Shielded Josephson Junction

 

Y.A. Genenko, Physica C 372 - 376 (2002) 1847 - 1851

 

·      Superconductor Strip near a Magnetic Wall of Finite Thickness

 

Y.A. Genenko, A. Snezhko, J. Appl. Phys. 92 (2002) 357 - 360

 

·      Overcritical States of a Superconductor in All-Superconducting Environments

 

Y.A. Genenko, Phys. Rev. B 66 (2002) 1845201 - 1845208

 

·      Magnetic Shielding for Improvement of Superconductor Performance

 

Y.A. Genenko, Phys. Stat. Sol. (a) 189 (2002) 469 - 473

 

·      Enhancement of the Current in a Superconductor Strip by Means of Curved Superconducting Shields

 

     Y.A. Genenko, H. Rauh, Appl. Phys. Lett. 82 (2003) 2115 - 2117

 

·      Strong Reduction of AC Losses in a Superconductor Strip Located between Superconducting Ground Plates

 

Y.A. Genenko, Physica C 401 (2004) 210 - 213

 

·      Finite Magnetic Shields Effect on the Transport Current in Superconductor Strips

 

Y.A. Genenko, A. Snezhko, A. Usoskin, Physica C 401 (2004) 236 - 240

 

·      Bistable Current-Voltage Characteristic of a Weak-Link between Superconducting Grains

 

     H. Rauh, Y.A. Genenko, Physica C 401 (2004) 286 - 290

 

·      Nonlocal Fluxon Dynamics in Long Josephson Junctions with Newtonian Dissipative Loss

 

     H. Rauh, Y.A. Genenko, C.T. Rieck, J. Phys.: Condens. Matter 16 (2004) S2715 - S2733

 

·      Virgin Magnetization of a Magnetically Shielded Superconductor Wire: Theory and Experiment

 

Y.A. Genenko, S.V. Yampolskii, A.V. Pan, Appl. Phys. Lett. 84 (2004) 3921 - 3923

 

·      Distribution of the Sheet Current in a Magnetically Shielded Superconducting Filament

 

S.V. Yampolskii, Y.A. Genenko, H. Rauh, Physica C 415 (2004) 151 - 157

 

·      Possible Implementation of  Thin-Film Magnetic Shields for the Enhancement of the Loss-Free Current in Superconductor Strips

 

Y.A. Genenko, A. Snezhko, A. Usoskin, I.O.P. Conf. Ser. 181 (2004) 2599 - 2605

 

·      The Bean-Livingston Barrier at a Superconductor/Magnet Interface

 

Y.A. Genenko, H. Rauh, S.V. Yampolskii, J. Phys.: Condens. Matter 17 (2005) L93 - L101

 

·      Entry of Magnetic Flux into a Magnetically Shielded Type-II Superconductor Filament

 

S.V. Yampolskii, Y.A. Genenko, Phys. Rev. B 71 (2005) 134519/1 - 12

 

·      Novel Superconductor/Magnet Resonant Configurations: Exact Analytic Representations of the Meissner State and the Critical State

 

Y.A. Genenko, H. Rauh, J. Phys.: Conf. Ser. 43 (2006) 568 - 571

 

·     The Bean Model of the Critical State in a Magnetically Shielded Superconductor Filament

 

S.V. Yampolskii, Y.A. Genenko, H. Rauh, A. Snezhko, J. Phys.: Conf. Ser. 43 (2006) 576 - 580

 

·      Magnetic Dipole-Vortex Interaction in a Bilayered Superconductor/Soft-Magnet Heterostructure

 

S.V. Yampolskii, G.I. Yampolskaya, H. Rauh, Europhys. Lett. 74 (2006) 334 - 340

 

·     Magnetic-Dipole Induced Appearance of Vortices in a Bilayered Superconductor/Soft-Magnet Heterostructure

 

S.V. Yampolskii, G.I. Yampolskaya, H. Rauh, Physica C 460 - 462 (2007) 1200 - 1201

 

·     Penetration of an External Magnetic Field into a Multistrip Superconductor/Soft-Magnet Heterostructure

 

S.V. Yampolskii, Y.A. Genenko, H. Rauh, Physica C 460 - 462 (2007) 1262 - 1263

 

·     Superconductor Strip in a Closed Magnetic Environment: Exact Analytic Representation of the Critical State

 

Y.A. Genenko, H. Rauh, Physica C 460 - 462 (2007) 1264 - 1265

 

·     Finite-Element Simulations of Overcritical States of a Magnetically Shielded Superconductor Strip

 

Y.A. Genenko, H. Rauh, P. Krüger, N. Narayanan, Supercond. Sci. Technol. 22 (2009) 055001/1 - 14

 

 

Photonische Strukturen

 

·     The Effect of a Superconducting Surface Layer on the Optical Properties of a Dielectric Photonic Composite

 

H. Rauh, Y.A. Genenko, J. Phys.: Condens. Matter 20 (2008) 145203/1 - 15

 

 

Organische Halbleiter

 

·      Dopant-Assisted Charge Carrier Photogeneration in Conjugated Polymers

 

V.I. Arkhipov, E.V. Emelianova, H. Bässler, Chem. Phys. Lett. 372 (2003) 886 - 893

 

·      Charge Injection versus Space-Charge-Limited Current in Organic Light-Emitting Diodes

 

V.I. Arkhipov, H. v. Seggern, E.V. Emelianova, Appl. Phys. Lett. 83 (2003) 5074 - 5076

 

·      Thermally Stimulated Luminescence in p-Conjugated Polymers Containing Fluorene and Spirobifluorene Units

 

A. Kadashchuk, A. Vakhnin, Y. Skryshevski, V.I. Arkhipov, E.V. Emelianova, H. Bässler, Chem. Phys. 291 (2003) 243 - 250

 

·      The Role of Photogenerated Charges in Photoinduced Expansion of Chalcogenide Glasses

 

E.V. Emelianova, G.J. Adriaenssens, V.I. Arkhipov, Phil. Mag. Lett. 84 (2004) 47 - 51

 

·     On the Role of Spectral Diffusion of Excitons in Sensitized Photoconduction in Conjugated Polymers

 

V.I. Arkhipov, E.V. Emelianova, H. Bässler, Chem. Phys. Lett. 383 (2004) 166 - 170

 

·     Transient Photoconductivity in a Thin Film of a Poly-Phenylenevinylene-Type Conjugated Polymer

 

M. Weiter, V.I. Arkhipov, H. Bässler, Synthetic Metals 141 (2004) 165 - 170

 

·     Thermally Stimulated Luminescence versus Thermally Stimulated Current in Organic Semiconductors

 

V.I. Arkhipov, E.V. Emelianova, R. Schmechel, H. v. Seggern, J. Non-Crystal. Solids 338 (2004) 626 - 629

 

·     The Role of Diffusion on SCLC Transport in Double Injection Devices

 

F. Neumann, Y.A. Genenko, R. Schmechel, H. v. Seggern, Synthetic Metals 150 (2005) 291 - 296

 

·     The Einstein Relation in Systems with Trap-Controlled Transport

 

F. Neumann, Y.A. Genenko, H. v. Seggern, J. Appl. Phys. 99 (2006) 013704/1 - 4

 

·     Self-Consistent Theory of Unipolar Charge-Carrier Injection in Metal/Insulator/Metal Systems

 

F. Neumann, Y.A. Genenko, C. Melzer, H. v. Seggern, J. Appl. Phys. 100 (2006) 084511/1 - 8

 

·     Self-Consistent Analytical Solution of a Problem of Charge-Carrier Injection at a Conductor/Insulator Interface

 

F. Neumann, Y.A. Genenko, C. Melzer, S.V. Yampolskii, H. v. Seggern, Phys. Rev. B 75 (2007) 205322/1 - 10

 

·     Bipolar Charge-Carrier Injection in Semiconductor/Insulator/Conductor Heterostructures: Self-Consistent Consideration

 

S.V. Yampolskii, Y.A. Genenko, C. Melzer, K. Stegmaier, H. v. Seggern, J. Appl. Phys. 104 (2008) 073719/1 - 13

 

·     Self-Consistent Phenomenological Theory of Charge Injection at the Conductor/Insulator Interface

 

Y.A. Genenko, S.V. Yampolskii, C. Melzer, H. v. Seggern, Integr. Ferroelectr. 106 (2009) 49 - 60

 

·     Charge-Carrier Injection into Insulating Media: Single-Particle versus Mean-Field Approach

 

Y.A. Genenko, S.V. Yampolskii, C. Melzer, K. Stegmaier, H. v. Seggern, Phys. Rev. B 81 (2010) 125310/1 - 15

 

 

Ferroelektrika

 

·      Aging in Ferroelectrics

 

D.C. Lupascu, Y.A. Genenko, N. Balke, J. Am. Ceram. Soc. 89 (2006) 224 - 229 

 

·     Drift of Charged Defects in Local Fields as Aging Mechanism in Ferroelectrics

 

Y.A. Genenko, D.C. Lupascu, Phys. Rev. B 75 (2007) 184107/1 - 10

 

·      Migration of Charged Defects in Local Depolarization Fields as a Mechanism of Aging in Ferroelectrics

 

Y.A. Genenko, N. Balke, D.C. Lupascu, Ferroelectrics 370 (2008) 196 - 202

 

·     Space-Charge Mechanism of Aging in Ferroelectrics: An Analytically Solvable Two-Dimensional Model

 

Y.A. Genenko, Phys. Rev. B 78 (2008) 214103/1 - 7

 

·     Domains in Ferroelectric Nanodots

 

A. Schilling, D. Byrne, G. Catalan, K.G. Webber, Y.A. Genenko, G.S. Wu, J.F.Scott, J.M. Gregg, Nano Lett. 9 (2009) 3359 - 3364

 

·     Aging of Poled Ferroelectric Ceramics due to Relaxation of Random Depolarization Fields by Space-Charge Accumulation near Grain Boundaries

 

Y.A. Genenko, J. Glaum, O. Hirsch, H. Kungl, M. J. Hoffmann, T. Granzow, Phys. Rev. B 80 (2009) 224109/1 - 9

 

 

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Fachgebiet Theoretische Grundlagen der Materialentwicklung, Institut für Materialwissenschaft / Letzte Änderung: 12.3.2010 / Dr. Yuri Genenko