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The development of CdZnTe detectors with an orthogpnal coplanar anode structure has important implications for future astrophysical instrumentation. As electron-only devices, like pixel detectors, coplanar anode strip detectors can be…

Astrophysics · Physics 2009-11-06 M. L. McConnell , L. A. Hamel , J. R. Macri , M. McClish , J. R. Ryan

The discovery of new and stable two-dimensional (2D) materials with exotic properties is essential for technological advancement. Inspired by the recently reported penta-PdPSe, we proposed penta-NiPS as a new member of the penta-2D…

Potential applications of monolayer of transition metal dichalcogenides (TMDs) in optoelectronic and flexible devices are under heavy investigation. Although TMDs monolayers are highly robust to external mechanical fields, their electronic…

Computational Physics · Physics 2021-09-14 Mohammad Bahmani , Michael Lorke , Mahdi Faghihnasiri , Thomas Frauenheim

Advent of new materials such as van der Waals heterostructures, propels new research directions in condensed matter physics and enables development of novel devices with unique functionalities. Here, we show experimentally that a monolayer…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Patrick Back , Aroosa Ijaz , Sina Zeytinoglu , Martin Kroner , Atac Imamoglu

The existence of two novel hybrid two-dimensional (2D) monolayers, 2D B3C2P3 and 2D B2C4P2, has been predicted based on the density functional theory calculations. It has been shown that these materials possess structural and thermodynamic…

Sphere-patterned ultrathin block copolymers films are potentially interesting for a variety of applications in nanotechnology. We use self-consistent field theory to investigate the elastic response of sphere monolayer films with respect to…

Soft Condensed Matter · Physics 2024-05-01 Le Qiao , Daniel A. Vega , Friederike Schmid

Integration of organic semiconductors into flexible electronics requires that their optoelectronic properties remain stable under mechanical deformation. Among these, the optical band gap governs exciton generation and limits photovoltaic…

Materials Science · Physics 2025-11-13 Mahya Ghorab , Ayush K. Ranga , Arnulf Materny , Veit Wagner , Mojtaba Joodaki

By stacking PbTe layers there is a non-monotonic topological phase transition as a function of the number of monolayers. Based on first principles calculations we find that the proper stacked crystal symmetry determines the topological…

Mesoscale and Nanoscale Physics · Physics 2017-11-07 Daniely Bassanezi , Ernesto O. Wrasse , Tome M. Schmidt

The band structure, optical and defects properties of Ba_{2}TeO are systematically investigated using density functional theory with a view to understanding its potential as an optoelectronic or trans- parent conducting material. Ba_{2}TeO…

Materials Science · Physics 2015-06-11 Jifeng Sun , Hongliang Shi , Mao-Hua Du , Theo Siegrist , David J. Singh

Group IV and V monolayers are the promising state-of-the-art 2D materials owing to their high carrier mobility, tunable bandgaps, and optical linear dichroism along with outstanding electronic and thermoelectric properties. Furthermore,…

Computational Physics · Physics 2021-07-07 X. Q. Shu , J. H. Lin , H. Zhang

Two-dimensional materials have attracted tremendous attention for their fascinating electronic, optical, chemical and mechanical properties. However, the band gaps of most 2D materials reported are smaller than 2.0 eV, which greatly…

Materials Science · Physics 2018-02-14 Hang Xiao , Xiaoyang Shi , Feng Hao , Xiangbiao Liao , Yayun Zhang , Xi Chen

We selectively fabricated monolayers of octahedral (1H) and distorted trigonal (1T') WTe2 on graphene/SiC(0001) by controlling the substrate temperature during epitaxy. Angle-resolved photoemission spectroscopy, combined with…

Mesoscale and Nanoscale Physics · Physics 2025-01-30 Ryuichi Ando , Katsuaki Sugawara , Tappei Kawakami , Takashi Takahashi , Takafumi Sato

Uniformity in the excitonic spectrum is a key requirement for accessing intrinsic excitonic physics in two-dimensional semiconductors; however, in transition-metal dichalcogenide (TMD) monolayers supported on substrates, exciton energies…

PbTaSe2 is a non-centrosymmetric topological semimetal. In this work we have explored the structural, elastic, mechanical, bonding, electronic, acoustic, thermal, and optical properties of PbTaSe2. The electronic bond structure calculations…

Materials Science · Physics 2023-03-03 A. S. M. Muhasin Reza , S. H. Naqib

Using full-potential density functional calculations within local density approximation (LDA), we found mechanically tunable band-gap in ZnO monolayer (ML-ZnO) in graphene-like honeycomb structure, by simulated application of in-plane…

Mesoscale and Nanoscale Physics · Physics 2011-11-29 Harihar Behera , Gautam Mukhopadhyay

van der Waals stacking of two-dimensional (2D) materials offers a powerful platform for engineering material interfaces with tailored electronic and optical properties. While most van der Waals multilayers have featured inorganic…

The phonon properties, electronic structures and optical properties of novel carbon allotropes, such as monolayer penta-graphene (PG), double-layer PG and T12-carbon, were explored by means of first-principles calculations. Results of…

In this work, we investigate the mechanical and electronic properties of monolayer antimonene in its most stable beta-phase using first-principles calculations. The upper region of its valence band is found to solely consist of lone pair…

Materials Science · Physics 2022-02-02 Devesh R. Kripalani , Andrey A. Kistanov , Yongqing Cai , Ming Xue , Kun Zhou

Atomically thin two-dimensional (2D) crystals have gained tremendous attentions owing to their potential impacts to the future electronics technologies, as well as the exotic phenomena emerging in these materials. Monolayer of {\alpha}…

Two dimensional transition metal dichalcogenides (TMDC) have very interesting properties for optoelectronic devices. In this work we theoretically investigate and predict that superlattices comprised of MoS$_{2}$ and WSe$_{2}$ multilayers…

Materials Science · Physics 2013-10-29 Yong-Hong Zhao , Feng Yang , Jian Wang , Hong Guo , Wei Ji