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Epitaxially grown nanowires have shown promise for photovoltaic applications due to their nanophotonic properties. Moreover, the mechanical properties of nanowires can reduce crystallographic defect formation at interfaces to help enable…

Based on density functional simulations combined with the Landauer transport theory, the mechanical strain impacts on the chemical bonds of phosphorene and their effects on the electronic properties are studied. Moreover, the effect of the…

材料科学 · 物理学 2018-10-01 Zahra Nourbakhsh , Reza Asgari

We explore the oxidation of a single layer of black phosphorous using ab initio density functional theory calculation. We search for the equilibrium structures of phosphorene oxides, PO$_x$ with various oxygen concentrations $x$…

材料科学 · 物理学 2020-07-22 Seoung-Hun Kang , Jejune Park , Sungjong Woo , Young-Kyun Kwon

We introduce a novel generalization of the discrete nonlinear Schr\"odinger equation. It supports solitons that describe how proteins fold. As an example we scrutinize the villin headpiece HP35, an archetypal protein for testing both…

生物物理 · 物理学 2021-02-24 Nora Molkenthin , Shuangwei Hu , Antti J. Niemi

Edge atomic configuration often plays an important role in dictating the properties of finite-sized two-dimensional (2D) materials. By performing ab initio calculations, we identify a highly stable zigzag edge of phosphorene, which is the…

材料科学 · 物理学 2017-03-29 Junfeng Gao , Xiangjun Liu , Gang Zhang , Yong-Wei Zhang

Interfacing artificial functional materials and living neuronal tissues is at the forefront of bio-nano-technology. Attempts have been so far based onto microscale processing of metals and inorganic semiconductors as electrodes or…

Solid-state devices made from correlated oxides such as perovskite nickelates are promising for neuromorphic computing by mimicking biological synaptic function. However, comprehending dopant action at the nanoscale poses a formidable…

Electric interactions have a strong impact on the structure and dynamics of biomolecules in their native water environment. Given the variety of water arrangements in hydration shells and the femto- to subnanosecond time range of structural…

化学物理 · 物理学 2021-08-27 Thomas Elsaesser , Jakob Schauss , Achintya Kundu , Benjamin P. Fingerhut

Graphene oxide (GO) holds significant promise for electronic devices and nanocomposite materials. A number of models were proposed for GO structure, combining carboxyl, hydroxyl, carbonyl and epoxide groups at different locations. The…

材料科学 · 物理学 2015-10-28 Vitaly V. Chaban , Oleg V. Prezhdo

Phosphorene, an emerging elemental two-dimensional (2D) direct band gap semiconductor with fascinating structural and electronic properties distinctively different from other 2D materials such as graphene and MoS2, is promising for novel…

材料科学 · 物理学 2015-04-21 Yongqing Cai , Qingqing Ke , Gang Zhang , Yuan Ping Feng , Vivek B Shenoy , Yong-Wei Zhang

Phosphorene is a two-dimensional (2D) material exhibiting strong in-plane structural anisotropy. In this work, we investigate the influence of structural anisotropy on the optics, dynamics, and transport of excitons in phosphorene by…

介观与纳米尺度物理 · 物理学 2025-09-04 Kai-Wei Chang , Joshua J. P. Thompson , Bartomeu Monserrat

We investigate the anisotropic hybrid plasmon-SO phonon dispersion relations in monolayer and double-layer phosphorene systems located on the polar substrates, such as SiO2, h-BN and Al2O3. We calculate these hybrid modes with using the…

介观与纳米尺度物理 · 物理学 2017-09-06 S. Saberi-Pouya , T. Vazifehshenas , T. Salavati-fard , M. Farmanbar

Cells use homeostatic mechanisms to maintain an optimal composition of distinct types of phospholipids in cellular membranes. The hydrophilic dipolar layer at the membrane interface, composed of phospholipid headgroups, regulates the…

软凝聚态物质 · 物理学 2021-07-13 Hanne S. Antila , Anika Wurl , O. H. Samuli Ollila , Markus S. Miettinen , Tiago M. Ferreira

Edge termination plays a vital role in determining the properties of 2D materials. By performing compelling ab initio simulations, a lowest-energy U-edge [ZZ(U)] reconstruction is revealed in the bilayer phosphorene. Such reconstruction…

材料科学 · 物理学 2022-01-11 Shi-Qi LI , Xiangjun Liu , Xujun Wang , Hongsheng Liu , Gang Zhang , Jijun Zhao , Junfeng Gao

Functional polymers, such as poly(ethylene glycol) (PEG) terminated with a single phosphonic acid, hereafter PEGik-Ph are often applied to coat metal oxide surfaces during post synthesis steps, but are not sufficient to stabilize sub-10 nm…

The paper is an excursus on potential acid-base adducts formed by an unsaturated main group or transition metal species and P atoms of phosphorene (P n ), which derives from the black phosphorus exfoliation. Various possibilities of…

化学物理 · 物理学 2018-11-13 Andrea Ienco , Gabriele Manca , Maurizio Peruzzini , Carlo Mealli

Inspired by a recent experimental and theoretical study [Yang et al., 2017], wherein protrusions in graphene have been proposed as an effective strategy to enhance the performance of sodium ion batteries, a comprehensive study of the…

应用物理 · 物理学 2020-06-08 Babita Rani , Vladimir Bubanja , Vijay K. Jindal

Using density functional tight-binding method, we studied the effect of grain boundaries on the mechanical properties and failure behavior of phosphorene. We found that the large angle tilt boundaries with a higher density of (5|7) defect…

材料科学 · 物理学 2017-02-01 V. Sorkin , Y. W. Zhang

We investigate the mechanical properties of bilayers of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine in the gel phase by using peak force tapping with quantitative nanomechanical mapping. We study both dry and aqueous bilayers and liposomes…

软凝聚态物质 · 物理学 2021-02-04 Luca Quaroni , Kingshuk Bandopadhyay , Marzena Mach , Paweł Wydro , Szczepan Zapotoczny

Recent reports on the fabrication of phosphorene, i.e., mono- or few-layer black phosphorus, have raised exciting prospects of an outstanding two-dimensional (2D) material that exhibits excellent properties for nanodevice applications. Here…

材料科学 · 物理学 2014-06-11 Liangzhi Kou , Thomas Frauenheim , Changfeng Chen