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Related papers: Local Probe Structure Isomerization in a One-Dimen…

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We present an improved way for imaging the local density of states with a scanning tunneling microscope, which consists in mapping the surface topography while keeping the differential conductance (d$I$/d$V$) constant. When archetypical…

Mesoscale and Nanoscale Physics · Physics 2017-12-12 Gaël Reecht , Benjamin Heinrich , Hervé Bulou , Fabrice Scheurer , Laurent Limot , Guillaume Schull

The local density of states (LDOS) of the adsorbate induced two-dimensional electron system (2DES) on n-InAs(110) is studied by low-temperature scanning tunneling spectroscopy. In contrast to a similar 3DES, the 2DES LDOS exhibits 20 times…

Disordered Systems and Neural Networks · Physics 2009-11-07 M. Morgenstern , J. Klijn , Chr. Meyer , R. A. Roemer , R. Wiesendanger

Surface alloys are a highly tunable class of low dimensional materials with the opportunity to tune and control the spin and charge carrier functionalities on the nanoscale. Here, we focus on the atomic and mesoscopic structural details of…

We show that diffraction intensity into the First Order Laue Zone (FOLZ) of a crystal can have a strong azimuthal dependence, where this FOLZ ring appears solely because of unidirectional atom position modulation. Such a modulation was…

Materials Science · Physics 2023-10-03 Aurys Silinga , Christopher S. Allen , Juri Barthel , Colin Ophus , Ian MacLaren

Using Time-Dependent Density Functional Theory (TDDFT) nonlinear nonperturbative response of the molecular system is studied for photoisomerization reaction. The 1,3-cyclohexadiene photoisomerization is probed by the high-harmonic…

Chemical Physics · Physics 2024-08-06 Lauren Bauerle , Agnieszka Jaron

A simple electrodynamic model for describing the behavior of a skeletal matter composed of magnetized, electrically conducting thin rods (1D magnetic dipoles) is proposed. It is aimed at modeling the self-assembling of a skeletal matter…

Computational Physics · Physics 2007-05-23 A. B. Kukushkin , K. V. Cherepanov

We establish the use of dielectrophoresis for the directed parallel assembly of individual flakes and nanoribbons of few-layer graphene into electronic devices. This is a bottom-up approach where source and drain electrodes are…

Rapid and reproducible assembly of aligned nanostructures on a wafer-scale is a crucial, yet one of the most challenging tasks in the incorporation of nanowires into integrated circuits. We present the synthesis of a periodic nanochannel…

We investigate stability the dynamical properties of one-dimensional interwires polar soliton molecules in a biwire setup with dipole moments aligned perpendicularly to the line of motion and in opposite directions in different wires.…

Pattern Formation and Solitons · Physics 2019-08-06 Khelifa Mohammed Elhadj , Abdelaali Boudjemaa , U. Al Khawaja

Large-amplitude molecular motions which occur during isomerization can cause significant changes in electronic structure. These variations in electronic properties can be used to identify vibrationally-excited eigenstates which are…

Chemical Physics · Physics 2019-03-27 Bryan M. Wong

The synthesis of one-dimensional van der Waals heterostructures was realized recently, which opens up new possibilities for prospective applications in electronics and optoelectronics. The even reduced dimension will enable novel properties…

Mesoscale and Nanoscale Physics · Physics 2026-02-06 Ya Feng , Henan Li , Taiki Inoue , Shohei Chiashi , Slava V. Rotkin , Rong Xiang , Shigeo Maruyama

This work presents a microscale approach for simulating the dielectrophoresis (DEP) assembly of polarizable particles under an external electric field. The model is shown to capture interesting dynamical and topological features, such as…

The paper presents numerical simulations performed on dielectric properties of two-dimensional binary composites on eleven regular space filling tessellations. First, significant contributions of different parameters, which play an…

Materials Science · Physics 2007-05-23 Enis Tuncer

Metal halide perovskites are multifunctional semiconductors with tunable structures and properties. They are highly dynamic crystals with complex octahedral tilting patterns and strongly anharmonic atomic behaviour. In the higher…

Distance measurements via the dipolar interaction are fundamental to the application of nuclear magnetic resonance (NMR) to molecular structure determination, but they only provide information on the absolute distance $r$ and polar angle…

Quantum Physics · Physics 2018-10-30 J. Zopes , K. Herb , K. S. Cujia , C. L. Degen

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

Dimensionality provides a clear fingerprint on the dispersion of infrared-active, polar-optical phonons. For these phonons, the local dipoles parametrized by the Born effective charges drive the LO-TO splitting of bulk materials; this…

Materials Science · Physics 2022-08-23 Norma Rivano , Nicola Marzari , Thibault Sohier

Harmonic and Intermodulation distortions occur when a physical system is excited with a single or several frequencies and when the relationship between the input and output is non-linear. Working with non-linearities in the Frequency domain…

Optics · Physics 2007-05-23 C. Tannous

We demonstrate that the Dynamic Mode Decomposition technique can effectively reduce the amount of noise in Dispersive Fourier Transform dataset; and allow for finer quantitative analysis of the experimental data. We therefore were able to…

We generated arrays of silver wires with a height of one atom and an average width of 11 atoms on the Si(557) surface via self assembly with local $\sqrt{3}\times\sqrt{3}$ order, and investigated the 1D plasmon formation in them using a…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 U. Krieg , Y. Zhang , C. Tegenkamp , H. Pfnür