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Si(100) surfaces were prepared by wet-chemical etching followed by 0.3-1.5keV Ar ion sputtering, either at elevated or room temperature. After a brief anneal under ultrahigh vacuum conditions, the resulting surfaces were examined by…

Materials Science · Physics 2009-11-10 J. C. Kim , J. -Y. Ji , J. S. Kline , J. R. Tucker , T. -C. Shen

We demonstrate that encapsulation of atomically thin black phosphorus (BP) by hexagonal boron nitride (h-BN) sheets is very effective for minimizing the interface impurities induced during fabrication of BP channel material for quantum…

Mesoscale and Nanoscale Physics · Physics 2016-07-12 Gen Long , Shuigang Xu , Junying Shen , Jianqiang Hou , Zefei Wu , Tianyi Han , Jiangxiazi Lin , Wing Ki Wong , Yuan Cai , Rolf Lortz , Ning Wang

We report a versatile water-based method for transferring nanostructures onto surfaces of various shapes and compositions. The transfer occurs through the intercalation of a layer of water between a hydrophilic substrate and a hydrophobic…

Mesoscale and Nanoscale Physics · Physics 2010-07-27 Grégory F. Schneider , Victor E. Calado , Henny Zandbergen , Lieven M. K. Vandersypen , Cees Dekker

We present stacked organic lasing heterostructures made by different species of light-emitting electrospun fibers, each able to provide optical gain in a specific spectral region. A hierarchical architecture is obtained by conformable…

One of the keys behind the success of the modern semiconductor technology has been the ion implantation of silicon, which allows its electronic properties to be tailored. For similar purposes, heteroatoms have been introduced into carbon…

Plasmonic optical tweezers are a ubiquitous tool for the precise manipulation of nanoparticles and biomolecules at low photon flux, while femtosecond-laser optical tweezers can probe the nonlinear optical properties of the trapped species…

Optics · Physics 2016-06-28 Domna G. Kotsifaki , Maria Kandyla , Pavlos G. Lagoudakis

Dewetting of thin metal films is one of the most widespread method for functional plasmonic nanostructures fabrication. However, simple thermal-induced dewetting does not allow to control degree of nanostructures order without additional…

Two-dimensional (2D) materials, such as graphene and transition metal dichalcogenides have attracted great attention because of the rich physics and potential applications in next-generation nano-sized electronic devices. Recently,…

Materials Science · Physics 2015-05-25 Xiaolong Chen , Yingying Wu , Zefei Wu , Shuigang Xu , Lin Wang , Yu Han , Weiguang Ye , Tianyi Han , Yuheng He , Yuan Cai , Ning Wang

The texturization of poly(tetrafluoroethylene) (PTFE) surfaces is achieved at atmospheric pressure by using the post-discharge of a radio-frequency plasma torch supplied in helium and oxygen gases. The surface properties are characterized…

We demonstrate the fabrication of an optical nanofiber tip (ONFT) using a two-step chemical etching technique. This technique employs 30% and 24% hydrofluoric (HF) acid for the first and second steps, respectively. In the first step, a…

Optics · Physics 2024-06-25 Resmi M , Elaganuru Bashaiah , Ramachandrarao Yalla

A nanofabrication process for realizing optical nanoantennas carved from a single-crystal gold plate is presented in this communication. The method relies on synthesizing two-dimensional micron-size gold crystals followed by the dry etching…

Optical devices capable of suppressing diffraction nature of light are of great technological importance to many nanophotonic applications. One important technique to achieve diffractionless optics is to exploit field canalization effect.…

Optics · Physics 2021-12-16 Po-Han Chang , Charles Lin , Amr S. Helmy

A new hyperelastic membrane material model is proposed for single layer blue phosphorus ($\beta\text{-P}$), also known as blue phosphorene. The model is fully nonlinear and captures the anisotropy of $\beta\text{-P}$ at large strains. The…

Materials Science · Physics 2019-02-15 Reza Ghaffari , Farzad Shirazian , Ming Hu , Roger A. Sauer

Although, poly(dimethylsiloxane) (PDMS) is a widely used material in numerous applications, such as micro- or nanofabrication, the method of its selective etching has not been known up to now. In this work authors present two methods of…

Applied Physics · Physics 2017-12-11 S. Z. Szilasi , C. Cserhati

Plasmonic color printing with semicontinuous metal films is a lithography-free, non-fading, and environment-friendly method of generation of bright colors. Such films are comprised of metal nanoparticles, which resonate at different…

Phosphorus (P) in germanium (Ge) delta-doped layers are fabricated in ultra-high vacuum by adsorption of phosphine molecules onto an atomically flat clean Ge(001) surface followed by thermal incorporation of P into the lattice and epitaxial…

Mesoscale and Nanoscale Physics · Physics 2012-07-25 G. Scappucci , G. Capellini , W. C. T. Lee , M. Y. Simmons

The technology of wet etching allowing fabrication of standalone BiSrCaCuO mesa structures was proposed. The produced mesas can be produced much thicker than ones usually being studied. The time required for the fabrication is much smaller…

Electrodes in close proximity to an active area of a device are required for sufficient electrical control. The integration of such electrodes into optical devices can be challenging since low optical losses must be retained to realise high…

Thin layers of black phosphorus have recently raised interest for their two-dimensional (2D) semiconducting properties, such as tunable direct bandgap and high carrier mobilities. This lamellar crystal of P atoms stacked together by weak…

Mesoscale and Nanoscale Physics · Physics 2014-08-22 A. Favron , E. Gaufrès , F. Fossard , P. L. Lévesque , A-L. Phaneuf-L'Heureux , N. Y-W. Tang , A. Loiseau , R. Leonelli , S. Francoeur , R. Martel

Two-dimensional materials supporting deep-subwavelength plasmonic modes can also exhibit strong magneto-optical responses. Here, we theoretically investigate magnetoplasmons (MPs) in monolayer black phosphorus (BP) structures under moderate…