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Peierls Phonons in Organic Molecular Crystals and in Charge Transfer Salts
A. Girlando1, M. Masino1, A. Brillante2, R.G. Della Valle2, E. Venuti2
1
Dip. Chimica G.I.A.F. and INSTM-UdR Parma, Parma University, Parma, Italy
2
Dip. Chimica Fisica ed Inorg. and INSTM-UdR Bologna, Bologna University, Italy
Highly Conducting Organic Composites Obtained by Charge Transfer Reaction in the Solid State
A. Graja, M. Golub
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
New Organic Electroluminescent Materials
M.G. Kaplunkov1, S.S. Krasnikova1, I.K. Yakushchenko1, O.N. Ermakov2, S.A. Stakharny2
1
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Russia
2
Joint-Stock Scientific and Technological Co ''Sapfir'', Moscow, Russia
Effects of Coulomb Interactions in Electron Transport Through Short Molecular Chains
T. Kostyrko1, B.R. Bułka2
1
Institute of Physics, A. Mickiewicz University, Poznań, Poland
2
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
Abstract
Charge transport properties of short molecular chains connected to electrodes are studied using the non-equilibrium Green function method. The chains are described using a single-orbital Hubbard model. In the weak interaction range and low-temperature limit, the current flowing through the system was analysed within the Hartree-Fock approximation (HFA). It was found that for a weak coupling between the molecule and the leads I-V characteristics can be represented as a sequence of plateaus, alternating with regions of a finite slope. This finite slope in the I-V characteristics is related to the self-consistent molecular level being pinned down to the Fermi levels of the electrodes over a finite voltage regions. It is also related to a continuous change in the charge state of the molecule. In the strong repulsion limit, the HFA method is no longer credible and we resort to decoupling the equations of motion (EOM) for the Green functions of the chains, in order to treat all intrachain correlations and hopping exactly but to neglect some correlations between the molecule and the leads. A comparison of the results obtained with these two approaches for the same parameters allows us to make general observations concerning the role of correlations in transport through molecular junctions.
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Download article (PDF)Spin Transport Through Nanostructures
B. Kramer1, K. Dittmer1, S. Debald1, J. Ohe 1, F. Cavaliere2, M. Sassetti2
1
Institut für Theoretische Physik, Universität Hamburg, Hamburg, Germany
2
INFM-Lamia, Dipartimento di Fisica, Universitá di Genova, Genova, Italy
Spin-dependent Transport and Inter-wall Coupling in Carbon Nanotubes
C.J. Lambert, S. Athanasopoulos, I.M. Grace, S.W. Bailey
Department of Physics, Lancaster University, Lancaster, United Kingdom
Scaling Organic Transistors: Materials and Design
G. Paasch1, S. Scheinert2
1
Leibniz Institute for Solid State and Materials Research IFW Dresden, Dresden, Germany
2
Ilmenau Technical University, Ilmenau, Germany
Weak Antilocalization and Spin Relaxation in Integrable Quantum Dots
O. Zaitsev, K. Richter
Institut für Theoretische Physik, Universität Regensburg, Regensburg, Germany
Electron-electron Correlations in (BEDT-TTF)2I3 Organic Superconductors
E. Balthes1, A. Nothardt1,2, P. Wyder3,D. Schweitzer 1
1
Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany
2
Max Planck Institut für Festkörperforschung, Stuttgart, Germany
3
Grenoble High Magnetic Field Laboratory, Grenoble, France
Manipulation of Electron Spin in a Quantum Dot Using a Magnetic Field and Voltage Gates
D. Giuliano1,2, P. Lucignano1,3, A. Tagliacozzo1,3
1
Coherentia INFM (Istituto Nazionale di Fisica della Materia), Unitá di Napoli
2
INFN and Dipartimento di Fisica Universitá di Calabria, Arcavacata di Rende, Italy
3
Dipartimento di Scienze Fisiche Universitá di Napoli "Federico II", Napoli, Italy
Semiconducting Dye-functionalised Poled Polymers for Photovoltaic Applications
A.A. Apostoluk1, L. Rocha1, C. Fiorini-Debuisschert1, C. Sentein1, P. Raimond1, L. Setti2, A. Fraleoni-Morgera2, J.-M. Ninzi3
1
Commissariat á l'Energie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Laboratoire Cellules et Composants, France
2
University of Bologna, Dept. of Industrial and Materials Chemistry, Faculty of Industrial Chemistry, Bologna, Italy
3
Université d'Angers, UFR: Sciences, Laboratoire de Propriétés Optiques des Matériaux et Applications (POMA), UMR CNRS 6136, France
Formation of the Kondo Resonance in Two-atom Molecular Systems for Various Interaction Limits
W.I. Babiarczyk, B.R. Bułka
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
Quantum Networks in the Presence of the Rashba Effect and a Magnetic Field
D. Bercioux1, M. Governale2, V. Cataudella1, V.M. Ramaglia 1
1
Coherentia-INFM and Dipartimento di Scienze Fisiche Universitá degli studi Federico II, Napoli, Italy
2
NEST-INFM and Scuola Normale Superiore, Pisa, Italy
Spectral and Microscopic Examinations of Metalloporphyrin-labelled Polymers on Different Substrates
A. Boguta1, D. Wróbel1, Y.S. Avlasevich2, R. Ries3, A. Ruchter3
1
Institute of Physics, Poznan University of Technology, Poznań, Poland
2
Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, Minsk, Belarus
3
Laboratory of Surface Science, University of Applied Sciences Wildau, Wildau, Germany
Electron Transport Through Single Molecular Wires
I.M. Grace1, S.W. Bailey1, J. Jefferson2, C.J. Lambert 1
1
Department of Physics, Lancaster University, Lancaster, UK
2
Qinetiq, Sensors and Electronic Division, Great Malvern, Worcestershire, UK
Reflectivity Spectra of Some Conducting BETS Salts
M.G. Kapulnov, N.D. Kushch, S.S. Krasnikova
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Russia
Phase Transitions in β-(BEDT-TTF)2XF6 (X = P, Sb or As) Salts as Seen by Raman Spectroscopy
A. Kowalska, R. Wojciechowski, J. Ulanski
Department of Molecular Physics, Technical University of ŁódĽ, ŁódĽ, Poland
Spin-dependent Transport Through a Double Dot System
S. Lipiński, B.R. Bułka, D. Krychowski
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
Spectral Studies of New Organic Conductors Based on TTF Derivatives with Polymeric Isocyanuric Acid Anions
B. Barszcz1, A. Łapiński1, A. Graja1, A. Flakina2, R.N. Lyubovskaya2
1
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
2
Institute of Problems of Chemical Physics, RAS, Chernogolovka, Russia
High-pressure Optical Study of the Neutral Ionic Phase Transition in TTF-CA
A. Girlando1, M. Masino1, A. Brillante2, R.G. Della Valle2, E. Venuti2
1
Dip. Chimica G.I.A.F. and INSTM-UdR Parma, Parma University, Parma, Italy
2
Dip. Chimica Fisica ed Inorg. and INSTM-UdR Bologna, Bologna University, Italy
Quantum Oscillation Measurements on the Organic Superconductor Θ-(BEDT-TTF)2I3
A. Nothardt1,2, E. Balthes1, B. Salameh1, W. Schmidt1, D. Schweitzer1, J. Strempfer2, B. Keimer2, D. Maude3
1
Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany
2
Max Planck Institut für Festkörperforschung, Stuttgart, Germany
3
Grenoble High Magnetic Field Laboratory, Grenoble, France
Optical Properties of the One-dimensional Organic Conductors β-(EDT-TTF-I2)2(Pb5/6 1/6I2)3 and β-(EDT-TTF-I2)2(Pb2/3+xAg1/3-2x xI2)3, x = 0.05
I. Olejniczak1, B. Gromadziński1,2, A. Graja1, T. Debvic3, P. Batail3
1
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
2
Institute of Physics, Poznan University of Technology, Poznań, Poland
3
Laboratoire de Chimie Inorganique, Matériaux et Interfaces, Université d'Angers, France
Some New Findings in τ-phase Organic Conductors
G.C. Papavassiliou1, G.A. Mousdis1, G.C. Anyfantis1, K. Murata2, T. Nakanishi2, L. Li2, H. Yoshino2, H. Tajima3, M. Inoue3, T. Konoike4, J.S. Brooks5, E.S. Choi5, D.Graf5
1
Theoretical and Physical Chemistry Institute, Athens, Greece
2
Graduate School of Science, Osaka City University, Osaka, Japan
3
Institute for Solid State Physics, University of Tokyo, Chiba, Japan
4
National Institute for Material Science, Ibaraki, Japan
5
National High Magnetic Field Laboratory and Physics Department, Florida State University, Tallahassee, Florida, USA
Effective Exchange Interaction in Tunnelling Junctions Based on a Quantum Dot with Non-collinear Magnetic Moments of the Leads
W. Rudziński
Department of Physics, Mesoscopic Physics Division, Adam Mickiewicz University, Poznań, Poland
Polymeric Photovoltaic Devices
J. Jaglarz1, A. Kasiba1, P. Armatys3, M. Pokladko1, E. Gondek1, J. Santera1
1
Institute of Physics, Cracow University of Technology, Cracow, Poland
2
Laboratoire de Physique de l'Etat Condensé, Universite du Maine, Le Mans, France
3
Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Cracow, Poland
Zone Casting a Universal Method of Preparing Oriented Anisotropic Layers of Organic Materials
A. Tracz1, T. Pakula2, J.K. Jeszka1
1
Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Łodz, Poland.
2
Max-Planck-Institute for Polymer Research, Mainz, Germany
Influence of Interface Spin-flip Processes on Spin Accumulation and Spin Currents in Magnetic Multilayers
M. Wawrzyniak1, J. Barna¶1,2
1
Department of Physics, Adam Mickiewicz University, Poznań, Poland
2
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
Spin-dependent Transport in Ferromagnetic Single-electron Transistors with Non-collinear Magnetizations
J. Wi¶niewska1, I. Weymann1, J. Barna¶1,2
1
Department of Physics, Adam Mickiewicz University, Poznań, Poland
2
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
On the Localization of Electrons in Disordered Molecular Wires
M. Wołoszczyn, B.J. Spisak
Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
Synthesis of Gold Nanoparticles in the Solid-state by Thermal Decomposition of an Organometallic Pprecursor
D. Wostek-Wojciechowska1, J.K. Jeszka1,2, P. Uznanski1, C. Amiens2, B. Chaudret2, P. Lecante3
1
Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Łódz, Poland
2
Laboratoire de Chimie de Coordination du CNRS, France
3
CEMES-CNRS, France
A New Organic Metal with Thedithiooxalato-bridged Anion Network, β''-(ET)2{[NMe3Ph]NaCr(C2S2O2)3(MeCN)}
E.I. Zhilyaeva1, G.V. Shilov1, O.A. Bogdanova1, R.N. Lyubovskaya1, R.B. Lyubovskii1, S.M. Aldoshin1, C. Train2, M. Gruselle2
1
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Russia
2
Laboratoire de Chimie Inorganique et Materiaux Moleculaires Unite C.N.R.S. 7071, Universite Pierre et Marie Curie, France
