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The use of self-assembled monolayers (SAMs) with anchoring groups was considered as an effective approach for interface engineering in perovskite solar cells with metal oxide charge transporting layers. However, the coating of SAM layers in…

The observed performances of carbon nanotube field effect transistors are examined using first-principles quantum transport calculations. We focus on the nature and role of the electrical contact of Au and Pd electrodes to open-ended…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. J. Palacios , P. Tarakeshwar , Dae M. Kim

We report on millikelvin charge sensing measurements of a silicon double-dot system fabricated by phosphorus ion implantation. An aluminum single-electron transistor (SET) is capacitively coupled to each of the implanted dots enabling the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 V. C. Chan , T. M. Buehler , A. J. Ferguson , D. R. McCamey , D. J. Reilly , A. S. Dzurak , R. G. Clark , C. Yang , D. N. Jamieson

Suppressing charge recombination is key for organic solar cells to become commercial reality. However, there is still no conclusive picture of how recombination losses are influenced by the complex nanoscale morphology. Here, new insight is…

The performance of solution-processed organic light emitting diodes (OLEDs) is often limited by non-uniform contacts. In this work, we introduce Ni-containing solution-processed metal oxide (MO) interfacial layers inserted between indium…

This study explores the potential of MoS$_2$ polymorphs, specifically the semiconducting 2H phase and the metallic 1T$^\prime$ phase, as anchoring materials to enhance the electrochemical performance of lithium-sulfur (Li--S) batteries.…

Materials Science · Physics 2025-12-16 J. W. González , E. Flórez , R. A. Gallardo , J. D. Correa

We have performed a density functional theory study of the possible layered geometries occurring after dehydrogenation of a self-assembled monolayer (SAM) of biphenyl-thiol molecules (BPTs) adsorbed on a Au(111), as it has been…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Pepa Cabrera-Sanfelix , Andrés Arnau , Daniel Sánchez-Portal

Properties of Pb(Zr_{1-x}Ti_x)O_3 (PZT) for compositions x near the morphotropic phase boundary and under an electric field are simulated using an ab-initio based approach. Applying an electric field of [111] orientation to tetragonal PZT…

Materials Science · Physics 2009-11-07 L. Bellaiche , A. Garcia , David Vanderbilt

Advanced microelectronics in the future may require semiconducting channel materials beyond silicon. Two-dimensional (2D) semiconductors, characterized by their atomically thin thickness, hold immense promise for high-performance electronic…

Here we demonstrate that water-infiltrated nanoporous glass electrically switches an oxide semiconductor from an insulator to metal. We fabricated the field effect transistor structure on an oxide semiconductor, SrTiO3, using…

Materials Science · Physics 2010-11-18 Hiromichi Ohta , Yukio Sato , Takeharu Kato , SungWng Kim , Kenji Nomura , Yuichi Ikuhara , Hideo Hosono

We report on the non-trivial field dependence of charge carrier recombination in an organic blend at low temperatures. A new microwave resonance technique for monitoring charge recombination in organic semiconductors at low temperatures is…

Mesoscale and Nanoscale Physics · Physics 2015-09-09 S. Athanasopoulos , N. C. Greenham , R. H. Friend , A. D. Chepelianskii

Simultaneously optimizing performances, processability and fabrication cost of organic electronic materials is the continual source of compromise hindering the development of disruptive applications. In this work, we identified a strategy…

Materials Science · Physics 2020-03-11 Khaoula Ferchichi , Ramzi Bourguiga , Kamal Lmimouni , Sebastien Pecqueur

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

Two-dimensional (2D) layered semiconductors, with their ultimate atomic thickness, have shown promise to scale down transistors for modern integrated circuitry. However, the electrical contacts that connect these materials with external…

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 effect of a magnetic field on the electroluminescence of organic light emitting devices originates from the hyperfine interaction between the electron/hole polarons and the hydrogen nuclei of the host molecules. In this paper, we…

We report fabrication and characteristics of an organic monolayer based Metal Oxide Semiconductor (MOS) device. In place of SiO2 oxide layer in the MOS configuration, we used 1H, 1H, 2H, 2H- perfluorooctyl trichlorosilane (FOTS)…

Mesoscale and Nanoscale Physics · Physics 2014-09-24 Rosilin George , U. Satheesh , J. Cyril Robinson Azariah , D. Devaprakasam

The formation of interface dipoles in self-assembled monolayers (SAMs) of --CH$_3$ and --CF$_3$ terminated short-chain alkanethiolates on Ag(111) is studied by means of density functional theory calculations. The interface dipoles are…

Materials Science · Physics 2011-11-09 Paul C. Rusu , Gianluca Giovannetti , Geert Brocks

We present a single-electron device for the manipulation of charge states via quantum interference in nanostructured electrodes. Via self-inductance effects, we induce two independent magnetic fluxes in the electrodes and we demonstrate…

Superconductivity · Physics 2022-05-17 Emanuele Enrico , Luca Croin , Elia Strambini , Francesco Giazotto

With the advances in low dimensional transition metal dichalcolgenides (TMDCs) based metal oxide semiconductor field effect transistor (MOSFET), the interface between semiconductors and dielectrics has received considerable attention due to…

Computational Physics · Physics 2017-01-02 Sheng Yu , Shunjie Ran , Hao Zhu , Kwesi Eshun , Chen Shi , Kai Jiang , Qiliang Li
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