English
Related papers

Related papers: Split-off dimer defects on the Si(001)2x1 surface

200 papers

Properties of two-dimensional transition metal dichalcogenides are highly sensitive to the presence of defects in the crystal structure. A detailed understanding of defect structure may lead to control of material properties through defect…

Topological defects in active liquid crystals can be confined by introducing gradients of activity. Here, we examine the dynamical behavior of two defects confined by a sharp gradient of activity that separates an active circular region and…

Soft Condensed Matter · Physics 2021-06-16 Ali Mozaffari , Rui Zhang , Noe Atzin , Juan J. de Pablo

The dielectric breakdown at metal-oxide interfaces is a critical electronic device failure mechanism. Electronic tunneling through dielectric layers is a well-accepted explanation for this phenomenon. Theoretical band alignment studies,…

Materials Science · Physics 2016-10-28 Eric Tea , Jianqiu Huang , Celine Hin

We use density functional theory (DFT) calculations to investigate structural models consisting of anatase TiO2(101) slabs covered by reduced overlayers formed by (101) crystallographic shear planes (CSPs). Ab initio thermodynamics supports…

Materials Science · Physics 2018-01-17 Xunhua Zhao , Sencer Selcuk , Annabella Selloni

This study investigates the interfacial characteristics relevant to photovoltaic (PV) devices of the Group--V elemental 2D layers with Si. The surface passivation and carrier selectivity of the interface between $\alpha$ and $\beta$…

Computational Physics · Physics 2024-01-08 Gurudayal Behera , K. R. Balasubramaniam , Aftab Alam

Diamond materials are central to an increasing range of advanced technological demonstrations, from high power electronics, to nano-scale quantum bio-imaging with unprecedented sensitivity. However, the full exploitation of diamond for…

In this study, we systematically study on crystal and electronic structures and optical absorption properties of perfect monolayer MoS2 (M), M with S vacancy (M@SV), M with N doping at S site (M@ND) and M with both S vacancy and N doping at…

Materials Science · Physics 2019-01-09 Aijun Hong

Halogen monolayer on a silicon surface is attracting active attention for applications in electronic device fabrication with individual impurities. To create a halogen mask for the impurities incorporation, it is desirable to be able to…

Materials Science · Physics 2022-04-20 T. V. Pavlova , V. M. Shevlyuga , B. V. Andryushechkin , K. N. Eltsov

The surface structure of SrTiO3(001) thin films homoepitaxially grown by PLD in step-flow mode was characterized using low temperature STM. It was found that one-dimensional (1D) TiOx-based nanostructures were formed on the thin film…

Materials Science · Physics 2015-05-18 Katsuya Iwaya , Takeo Ohsawa , Ryota Shimizu , Tomihiro Hashizume , Taro Hitosugi

Optical emitters of quantum radiation in the solid state are important building blocks for emerging technologies making use of the laws of quantum mechanics. The efficiency of photon extraction from the host material is low for many…

Quantum Physics · Physics 2020-04-17 Niels M. Israelsen , Ilya P. Radko , Alexander Huck , Ulrik L. Andersen

There is a continuous search for solid-state spin qubits operating at room temperature with excitation in the IR communication bandwidth. Recently we have introduced the photoelectric detection of magnetic resonance (PDMR) to read the…

Materials Science · Physics 2018-06-20 E. Londero , E. Bourgeois , M. Nesladek , A. Gali

The main result of this paper is a Pfaffian formula for the partition function of the dimer model on a graph G embedded in a closed, possibly non-orientable surface S. This formula is suitable for computational purposes, and it is obtained…

Mathematical Physics · Physics 2012-08-09 David Cimasoni

Here we report the direct observation of single electron charging of a single atomic Dangling Bond (DB) on the H-Si(100) 2x1 surface. The tip of a scanning tunneling microscope is placed adjacent to the DB to serve as a single electron…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Marco Taucer , Lucian Livadaru , Paul G. Piva , Roshan Achal , Hatem Labidi , Jason L. Pitters , Robert A. Wolkow

We study self-assembly of a binary mixture of components A and B confined in a slit-like pore with the walls modified by the stripes of tethered brushes made of beads of a sort A. The emphasis is on solvent mediated transitions between…

Soft Condensed Matter · Physics 2013-03-26 Ja. M. Ilnytskyi , S. Sokolowski , T. Patsahan

Silicon-vacancy (SiV) centers in diamond are promising systems for quantum information applications due to their bright single photon emission and optically accessible spin states. Furthermore, SiV centers in low-strain diamond are…

Physical properties of Si(111)-7x7 surface of low-doped n- and p-type Si samples is studied in the liquid helium temperature region by the scanning-tunnelling microscopy and spectroscopy. Conduction required for the study is provided by…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 A. B. Odobescu , S. V. Zaitsev-Zotov

We demonstrate that the electronic bandstructure extracted from quasi-particle interference spectroscopy [Nat. Phys. 9, 468 (2013)] and the theoretically computed form of the superconducting gaps [Proc. Nat. Acad. Sci. 111, 11663 (2014)]…

Superconductivity · Physics 2016-01-27 John S. Van Dyke , J. C. Seamus Davis , Dirk K. Morr

Metallic contaminants in complex heterostructures are important topics due to their significant roles in determining physical properties as well as device performance. Heterostructures of polyimide via on Al pad and Cu redistribution layer…

The downscaling of silicon-based structures and proto-devices has now reached the single atom scale, representing an important milestone for the development of a silicon-based quantum computer. One especially notable platform for atomic…

Following the identification of the pi bond in graphene, in this work, a pi bond constructed through side-to-side overlap of half-filled 6pz orbitals was observed in a non-carbon crystal of Pb1-xSnxSe (x=0.34) (PSS), a prototype topological…

Materials Science · Physics 2015-06-24 G. J. Shu , S. C. Liou , S. Karna , R. Sankar , M. Hayashi , M. -W. Chu , F. C. Chou