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The two-dimensional (2D) insulating material hexagonal boron nitride (h BN) has attracted much attention as the active medium in memristive devices due to its favorable physical properties, among others, a wide bandgap that enables a large…

In organic field effect transistors (FETs), charges move near the surface of an organic semiconductor, at the interface with a dielectric. In the past, the nature of the microscopic motion of charge carriers -that determines the device…

Materials Science · Physics 2015-06-25 I. N. Hulea , S. Fratini , H. Xie , C. L. Mulder , N. N. Iossad , G. Rastelli , S. Ciuchi , A. F. Morpurgo

We explore electron transport properties for the model of benzene-1, 4-dithiolate (BDT) molecule and for some other geometric models of benzene molecule attached to two semi-infinite one-dimensional metallic electrodes using the Green's…

Mesoscale and Nanoscale Physics · Physics 2010-04-13 Santanu K. Maiti

We study the model of a molecular switch comprised of a molecule with a soft vibrational degree of freedom coupled to metallic leads. In the presence of strong electron-ion interaction, different charge states of the molecule correspond to…

Mesoscale and Nanoscale Physics · Physics 2008-12-18 Fabio Pistolesi , Yaroslav M. Blanter , Ivar Martin

We report transport measurements through a single-molecule magnet, the Mn12 derivative [Mn12O12(O2C-C6H4-SAc)16(H2O)4], in a single-molecule transistor geometry. Thiol groups connect the molecule to gold electrodes that are fabricated by…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 H. B. Heersche , Z. de Groot , J. A. Folk , H. S. J. van der Zant , C. Romeike , M. R. Wegewijs , L. Zobbi , D. Barreca , E. Tondello , A. Cornia

We report on the fabrication and characterization of single crystal field-effect transistors (FETs) based on diphenylbenzo diselenophene (DPh-BDSe). These organic field-effect transistors (OFETs) function as p-channel accumulation-mode…

Materials Science · Physics 2009-11-10 R. Zeis , Ch. Kloc , K. Takimiya , Y. Kunugi , Y. Konda , N. Niihara , T. Otsubo

The use of single molecules to design electronic devices is an extremely challenging and fundamentally different approach to further downsizing electronic circuits. Two-terminal molecular devices such as diodes were first predicted [1] and,…

We have fabricated a variety of novel molecular tunnel junctions based on self-assembled-monolayers (SAM) of two-component solid-state mixtures of molecular wires (1,4 methane benzene-dithiol; Me-BDT with two thiol anchoring groups), and…

Materials Science · Physics 2009-11-11 Vladimir Burtman , Alexander S. Ndobe , Valy Z. Vardeny

We have fabricated a variety of novel molecular diodes based on self-assembled-monolayers (SAM) of solid-state mixture of molecular wires (1,4 benzene-dimethane-thiol), and molecular insulator spacers (1-pentanethiol) with different…

Materials Science · Physics 2009-11-11 V. Burtman , A. S. Ndobe , Z. V. Vardeny

The controllability of charge transport through an organic molecular spin-valve system is theoretically investigated on the basis of a Su-Schrieffer-Heeger model combined with the non-equilibrium Green's function formalism. We show how the…

Materials Science · Physics 2007-05-23 J. H. Wei , S. J. Xie , L. M. Mei , YiJing Yan

Electron transport through a single-level quantum dot weakly coupled to Luttinger liquid leads is considered in the master equation approach. It is shown that for a weak or moderately strong interaction the differential conductance…

Strongly Correlated Electrons · Physics 2013-02-06 G. A. Skorobagatko , I. V. Krive

We demonstrate current-induced bipolar switching in in-plane magnetized spin-valve devices that incorporate a perpendicularly magnetized spin polarizing layer. Further, hysteretic transitions into a state with intermediate resistance occur…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Li Ye , Georg Wolf , Daniele Pinna , Gabriel D. Chaves , Andrew D. Kent

We use a self-consistent method to study the current of the single molecular transistor modulated by the transverse gate-bias in the level of the first-principles calculations. The numerical results show that both the polyacene-dithiol…

Materials Science · Physics 2009-11-11 F. Jiang , Y. X. Zhou , H. Chen , R. Note , H. Mizuseki , Y. Kawazoe

This work presents an original concept directed to implement an unconventional methodology where a device is produced by integrating a solid-state circuitry concept and an electrochemistry cell. In our experimental system an organic…

Applied Physics · Physics 2024-02-29 Andrea Stefani , Agnese Giacomino , Sara Morandi , Andrea Marchetti , Claudio Fontanesi

Combined diverse two-dimensional (2D) materials for semiconductor interfaces are attractive for electrically controllable carrier confinement to enable excellent electrostatic control. We investigated the transport characteristic in…

Mesoscale and Nanoscale Physics · Physics 2021-03-22 Rahul Tripathi , Pritam Bhattacharyya , Sukanta Nandi , Alok Shukla , Abha Misra

Amorphous molybdenum silicide compounds have attracted significant interest for potential device applications, particularly in single-photon detector. In this work, the temperature-dependent resistance and magneto-resistance behaviors were…

Applied Physics · Physics 2020-10-23 Zhengyuan Liu , Bingcheng Luo , Junbiao Hu , Cheng Xing

Formation of a magnetic hysteresis loop with respect to a bias voltage is investigated theoretically in a spin-valve device based on a single magnetic molecule. We consider a device consisting of two ferromagnetic electrodes bridged by a…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 Anna Płomińska , Maciej Misiorny , Ireneusz Weymann

The design of polarization-encoded quantum interfaces relies on the assumption that solid-state emitters possess static transition dipoles defined by the host lattice symmetry. Here, we demonstrate that the transition dipole moment of…

We report sharp peaks in the differential conductance of a single-electron transistor (SET) at low temperature, for gate voltages at which charge fluctuations are suppressed. For odd numbers of electrons we observe the expected Kondo peak…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Kogan , G. Granger , M. A. Kastner , D. Goldhaber-Gordon , Hadas Shtrikman

We investigate gold-4,4'-bipyridine-gold single-molecule junctions with the mechanically controllable break junction technique at cryogenic temperature ($T=4.2\,\text{K}$). We observe bistable probabilistic conductance switching between the…

Mesoscale and Nanoscale Physics · Physics 2020-09-15 Gréta Mezei , Zoltán Balogh , András Magyarkuti , András Halbritter