2016年3月22日 · We investigate the electronic properties of graphene nanoflakes on Ag (111) and Au (111) surfaces by means of scanning tunneling microscopy and spectroscopy as well as density functional theory...

2019年1月1日 · Here, we reported the structural evolutions and the corresponding electronic properties of Bi ultrathin films on Au (111) at initial stage as a function of coverage using low-energy electron diffraction (LEED), scanning tunneling microscopy (STM) and photoemission spectroscopy (PES).

We report on low-temperature scanning tunneling spectroscopy measurements on epitaxial graphene flakes on Au (111). We show that using quasiparticle interference (QPI) mapping, we can discriminate...

2013年6月19日 · Here we investigate the local reconstruction using density functional theory and compare the results to scanning tunneling microscopy experiments. Moreover, we use hydrogen and fluorine as probe atoms to investigate changes in the ability of the Au (111) surface to catalyze the reactions involved in the formation of molecular nanostructures.

2016年1月1日 · We perform DFT calculations of the reconstructed Au (111)– (22 × √3) model. We extract electronic properties such as the surface state in this large cell. The surface state is surprisingly little affected by the atomic reconstruction. The modulation in the simulated STM images is seen “through” overlaid atomic layers.

2014年9月1日 · Periodic self-consistent density functional theory (DFT-GGA) calculations were used to study the adsorption of several atomic species, molecular species and molecular fragments on the Au (111) surface with a coverage of 1/4 monolayer (ML). Binding geometries, binding energies, and diffusion barriers were calculated for 27 species.

In the present study, we investigate the growth behavior and structural evolution of selenium monolayers on Au (111) substrate at various temperatures by low-temperature scanning tunneling microscopy/spectroscopy (LT-STM/STS) under ultra-high vacuum (UHV) condition. 2. Methods. 2.1. Sample preparation.

Here, we demonstrate two reliable routes for the fabrication of armchair-edge graphene nanoribbons (GNRs) on TbAu2/Au (111), belonging to a class of two-dimensional ferromagnetic rare earth-gold...

2021年9月7日 · Atomic and electronic structure investigations of the substitutional surface alloy formed on Au (111) are presented. Low energy electron diffraction and scanning tunneling microscopy (STM) reveal a structure with a local periodicity with a superimposed modulation resulting in a unit cell.

2016年3月22日 · We investigate the electronic properties of graphene nanoflakes on Ag (111) and Au (111) surfaces by means of scanning tunneling microscopy and spectroscopy as well as density functional theory...