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Related papers: Growth and crystallographic structure of TiTe$_2$ …

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Silicon thin films for coverages ($\theta$) between 0.3 and 3 monolayers have been grown on rutile \ce{TiO2}(110)-(1x1) at room temperature and studied by x-ray and ultra-violet photoelectron spectroscopies, Auger electron spectroscopy, and…

Materials Science · Physics 2011-06-03 J. Abad , C. Gonzalez , P. L. de Andres , E. Roman

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

We systematically investigated the superstructure evolution of Te atoms on Au(111) substrate at different coverages. As revealed by low temperature scanning tunneling microscopy and spectroscopy, Te atoms form one-dimensional root3…

Mesoscale and Nanoscale Physics · Physics 2024-11-20 Jiaqi Guan , Xiaochun Huang , Shuyuan Zhang , Xun Jia , Xuetao Zhu , Weihua Wang , Jiandong Guo

In this paper, the atomic layer deposition (ALD) of ultra-thin films (<4 nm) of $Al_{2}O_{3}$ and $HfO_{2}$ on Au-supported monolayer (1L) $MoS_{2}$ is investigated, providing an insight on the nucleation mechanisms in the early stages of…

In this paper we demonstrated the thermal Atomic Layer Deposition (ALD) growth at 250 {\deg}C of highly homogeneous and ultra-thin ($\approx$ 3.6 nm) $Al_2O_3$ films with excellent insulating properties directly onto a monolayer (1L)…

Transition-metal chalcogenides (TMCs) materials have attracted increasing interest both for fundamental research and industrial applications. Among all these materials, two-dimensional (2D) compounds with honeycomb-like structure possess…

Bi(0001) films with thicknesses up to several bilayers (BLs) are grown on Se-terminated Bi$_2$Se$_3$(0001) surfaces, and low energy electron diffraction (LEED), low energy ion scattering (LEIS) and atomic force microscopy (AFM) are used to…

Materials Science · Physics 2018-08-01 Haoshan Zhu , Weimin Zhou , Jory A. Yarmoff

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

Contemporary science is witnessing a rapid expansion of the two-dimensional (2D) materials family, each member possessing intriguing emergent properties of fundamental and practical importance. Using the particle-swarm optimization method…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Zhili Zhu , Xiaolin Cai , Chunyao Niu , Seho Yi , Zhengxiao Guo , Feng Liu , Jun-Hyung Cho , Yu Jia , Zhenyu Zhang

Monolayer MoTe2 exhibits a variety of derivative structural phases and associated novel electronic properties that enable a wealth of potential applications in future electronic and optoelectronic devices. However, a comprehensive study…

Materials Science · Physics 2024-07-22 Zemin Pan , Tao Jian , Hui Zhang , Xiaoyu Lin , Chao Zhu , Jinghao Deng , Zhengbo Cheng , Chuansheng Liu , Chendong Zhang

Structural moir\'e superstructures arising from two competing lattices may lead to unexpected electronic behavior, such as superconductivity or Mottness. Most investigated moir\'e heterostructures are based on van der Waals (vdW) materials,…

Materials Science · Physics 2023-05-10 Bing Liu , Tim Wagner , Stefan Enzner , Philipp Eck , Martin Kamp , Giorgio Sangiovanni , Ralph Claessen

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),…

Tellurium (Te) films with monolayer and few-layer thickness are obtained by molecular beam epitaxy on a graphene/6H-SiC(0001) substrate and investigated by in situ scanning tunneling microscopy and spectroscopy (STM/STS). We reveal that the…

Materials Science · Physics 2018-05-29 Xiaochun Huang , Jiaqi Guan , Bing Liu , Shuya Xing , Weihua Wang , Jiandong Guo

To elucidate the mechanisms behind the enhanced $T_c$ in monolayer (1ML) FeSe on SrTiO$_3$ (STO), we grew highly strained 1ML FeSe on the rectangular (100) face of rutile TiO$_2$, and observed the coexistence of replica bands and…

Superconductivity · Physics 2017-02-15 Slavko Rebec , Tao Jia , Chaofan Zhang , Makoto Hashimoto , Donghui Lu , Robert Moore , Zhixun Shen

Herein, we report the reversible structural transition of single-layer VSe2 grown on Au(111) through alternating thermal annealing and Se replenishment. Using scanning tunneling microscopy (STM) and angle-resolved photoemission spectroscopy…

Materials Science · Physics 2024-06-19 Jinbang Hu , Xiansi Wang , Chaoqin Huang , Fei Song , Justin W Wells

We report on growth-mode transitions in the growth of SrRuO3 thin films on atomically flat Ti4+ single-terminated SrTiO3 (111) substrates, investigated by reflection high-energy electron diffraction and atomic force microscopy. Over the…

Materials Science · Physics 2010-02-03 Jaewan Chang , Yoon-Seok Park , Jong-Woo Lee , Sang-Koog Kim

Pt(x{\AA})/Co(5{\AA})/Pt(10{\AA}) trilayer films were deposited on naturally oxidized Si(111) substrate to investigate Ti underlayer effect on PMA. A small amount of Ti underlayer promoted the magnetic anisotropy to a perpendicular…

Mesoscale and Nanoscale Physics · Physics 2021-10-27 Melek Türksoy Öcal , Baha Sakar , İlker Öztoprak , Zoltan Balogh-Michels , Antonia Neels , Osman Öztürk

The evolution of titanyl-phthalocyanine (TiOPc) thin films on Ag(111) has been investigated using IRAS, SPA-LEED and STM. In the (sub)monolayer regime various phases are observed that can be assigned to a 2D gas, a commensurate and a…

We report a post-growth aging mechanism of Bi$_2$Te$_3$(111) films with scanning tunneling microscopy in combination with density functional theory calculation. It is found that a monolayered structure with a squared lattice symmetry…

Materials Science · Physics 2017-04-05 Zhi-Wen Wang , Wen-Kai Huang , Kai-Wen Zhang , Da-Jun Shu , Mu Wang , Shao-Chun Li

Single-layer TaS$_2$ is epitaxially grown on Au(111) substrates. The resulting two-dimensional crystals adopt the 1H polymorph. The electronic structure is determined by angle-resolved photoemission spectroscopy and found to be in excellent…

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