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Related papers: Superstructure evolution of tellurium atoms on Au(…

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We investigated the initial growth of TiTe$_2$ on Au(111) from sub-monolayer to multi-layer coverage by scanning tunneling microscopy (STM), low-energy electron diffraction intensity analysis (LEED-IV), and density functional theory (DFT).…

We present a so far undetected submonolayer phase of copper telluride on Cu(111) with $\left(5 \times \sqrt{3}\right)_{\text{rect}}$ periodicity and coverage of 0.40 ML Tellurium (Te), which can be grown with perfect long-range order. It is…

Materials Science · Physics 2021-11-18 Lutz Hammer , Tilman Kißlinger , M. Alexander Schneider

We investigated the growth of titanium oxide two-dimensional (2D) nanostructures on Au(111), produced by Ti evaporation and post-deposition oxidation. Scanning tunneling microscopy and spectroscopy (STM and STS) and low-energy electron…

Materials Science · Physics 2016-12-21 F. Tumino , P. Carrozzo , L. Mascaretti , C. S. Casari , M. Passoni , S. Tosoni , C. E. Bottani , A. Li Bassi

The Te-covered Si(111) surface has received recent interest as a template for the epitaxy of van der Waals (vdW) materials, e.g. Bi$_2$Te$_3$. Here, we report the formation of a Te buffer layer on Si(111)$-$(7$\times$7) by low-energy…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 Felix Lüpke , Jiří Doležal , Vasily Cherepanov , Ivan Ošt'ádal , F. Stefan Tautz , Bert Voigtländer

The deposition of one silicon monolayer on the silver (111) substrate in the temperature range 150-300$^\circ$C, gives rise to a mix of (4$\times$4), ($2\sqrt{3}\times 2\sqrt{3}$)R30$^\circ$ and ($\sqrt{13}\times\sqrt{13}$)R13.9$^\circ$…

Materials Science · Physics 2015-06-04 H. Jamgotchian , Y. Colignon , N. Hamzaoui , B. Ealet , J. Y. Hoarau , B. Aufray , J. P. Bibérian

We report results on the self-assembly of silicon nanoribbons on the (2x1) reconstructed Au(110) surface under ultra-high vacuum conditions. Upon adsorption of 0.2 monolayer (ML) of silicon the (2x1) reconstruction of Au(110) is replaced by…

The deposition of one silicon monolayer on Ag(111) gives rise to a set of superstructures depending on growth conditions. These superstructures are correlated to the epitaxy between the honeycomb structure of silicon (so called silicene)…

Materials Science · Physics 2015-09-30 H. Jamgotchian , B. Ealet , Y. Colignon , H. Maradj , J-Y. Hoarau , J-P. Biberian , B. Aufray

We present a joint experimental and theoretical determination of structures of Ag adatoms on the Ge(111) surface using low energy electron diffraction, low energy electron microscopy, scanning tunneling microscopy, and density functional…

Materials Science · Physics 2019-09-25 Shree Ram Acharya , Cory H. Mullet , Jason A. Giacomo , Duy Le , Shirley Chiang , Talat S. Rahman

Atomic structures of quasi-one-dimensional (1D) character can be grown on semiconductor substrates by metal adsorption. Significant progress concerning study of their 1D character has been achieved recently by condensing noble metal atoms…

Strongly Correlated Electrons · Physics 2015-05-13 J. Schaefer , S. Meyer , C. Blumenstein , K. Roensch , R. Claessen , S. Mietke , M. Klinke , T. Podlich , R. Matzdorf , A. A. Stekolnikov , S. Sauer , F. Bechstedt

In a recent publication [2D Materials, 8, 045033 (2021), arXiv:2103.11403], it was reported that the growth of a monolayer PdTe$_2$ in ultra-high vacuum could be achieved by deposition of tellurium on a palladium (111) crystal surface and…

Materials Science · Physics 2024-06-07 Eric Engel , Alexander Wegerich , Andreas Raabgrund , M. Alexander Schneider

The surface atomic and electronic structure after deposition of 1/3 monolayer (ML) Te on Cu(111) was determined using a combination of low-energy electron diffraction (LEED), scanning tunneling microscopy and spectroscopy (STM/STS),…

We report on experimental evidence for the formation of a two dimensional Si/Au(110) surface alloy. In this study, we have used a combination of scanning tunneling microscopy, low energy electron diffraction, Auger electron spectroscopy and…

The molecular structure of the wetting layer of ice on Pt(111) is resolved using scanning tunneling microscopy (STM). Two structures observed previously by diffraction techniques are imaged for coverages at or close to completion of the…

Materials Science · Physics 2010-10-26 Sebastian Standop , Alex Redinger , Markus Morgenstern , Thomas Michely , Carsten Busse

Liquid polymorphism is an intriguing phenomenon which has been found in a few single-component systems, the most famous being water. By supercooling liquid Te to more than 130 K below its melting point and performing simultaneous…

Electronic structure calculations are performed to obtain the As-exposed Si(211) and the Te adsorbed As-exposed Si(211) surface. Arsenic-exposed Si(211) may be obtained by adsorbing As on Si(211) or by replacing surface Si atoms by As.…

Materials Science · Physics 2007-05-23 Bikash C Gupta , Inder P Batra , S. Sivananthan

Low energy electron diffraction (LEED), scanning tunneling microscopy (STM), and photoelectron spectroscopy have been used to study an ordered structure formed by Ge atoms deposited onto the Au(111) surface. Based on a careful analysis of…

Materials Science · Physics 2018-01-03 W. Wang , R. I. G. Uhrberg

Surface alloying is a straightforward route to control and modify the structure and electronic properties of surfaces. Here, We present a systematical study on the structural and electronic properties of three novel rare earth-based…

Materials Science · Physics 2020-05-07 Yande Que , Yuan Zhuang , Ziyuan Liu , Chaoqiang Xu , Bin Liu , Kedong Wang , Shixuan Du , Xudong Xiao

In the search for evidence of silicene, a two-dimensional honeycomb lattice of silicon, it is important to obtain a complete picture for the evolution of Si structures on Ag(111), which is believed to be the most suitable substrate for…

Materials Science · Physics 2015-06-04 Baojie Feng , Zijing Ding , Sheng Meng , Yugui Yao , Xiaoyue He , Peng Cheng , Lan Chen , Kehui Wu

Using low energy electron diffraction (LEED), Auger electron spectroscopy (AES), scanning tunnelling microscopy (STM) and high resolution photo-electron spectroscopy (HR-PES) techniques we have studied the annealing effect of one silicon…

Materials Science · Physics 2013-03-20 B. Lalmi , C. Girardeaux , A. Portavoce , C. Ottaviani , B. Aufray , J. Bernardini

In this study atom probe tomography was used to investigate the microstructure of AA2198 (Al-1.35Cu-3.55Li-0.29Mg-0.08Ag) over a range of ageing conditions to examine the evolution of phases in the alloy, in particular aiming to reveal the…

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