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Self-assembly via nanoscale phase-separation offers an elegant route to fabricate nanocomposites with physical properties unattainable in single-component systems. One important class of nanocomposites are optical metamaterials which…

By using first-principles calculations, we propose that ZrSiO can be looked as a three-dimensional (3D) oxide weak topological insulator (TI) and its single layer is a long-sought-after 2D oxide TI with a band gap up to 30 meV. Calculated…

Materials Science · Physics 2015-12-02 Qiunan Xu , Zhida Song , Simin Nie , Hongming Weng , Zhong Fang , Xi Dai

In this review, we first provided a brief overview of cellulose structures, categorizing various types of nanocellulose based on their production methods, and discussed different photonic structures such as cholesteric phases, photonic…

Optics · Physics 2025-04-30 Jonas Rashidi

2D materials offer a large variety of optical properties, from transparency to plasmonic excitation. They can be structured and combined to form heterostructures that expand the realm of possibility to manipulate light interactions at the…

Optics · Physics 2023-09-27 Bruno Majérus , Emerick Guillaume , Pascal Kockaert , Luc Henrard

We analyze the performance of a reduced-order simulation of geometric meta-materials based on zigzag patterns using a simplified representation. As geometric meta-materials we denote planar cellular structures which can be fabricated in 2d…

Graphics · Computer Science 2022-10-25 Kurt Leimer , Przemyslaw Musialski

The design and fabrication of a metal-dielectric-metal absorber that achieves strong absorption from the ultraviolet (UV) to the near-infrared (near-IR) spectrum are presented. The proposed nanostructure consists of a periodic titanium (Ti)…

Optics · Physics 2025-06-23 Partha Mondal , Omar Alkhazragi , Hakan Bagci

We show that a metamaterial consisting of aligned metallic nanowires in a dielectric matrix has strongly anisotropic optical properties. For filling ratio f<1/2, the composite medium shows two surface plasmon resonances (SPRs): the…

Materials Science · Physics 2008-06-03 W. T. Lu , S. Sridhar

Although silver-based telescope mirrors excel over other materials such as gold and aluminum in the visible-infrared spectral range, they require robust protective coatings to overcome their inherent low durability. Our research shows that…

Instrumentation and Methods for Astrophysics · Physics 2024-11-13 Søren A. Tornøe , Brandon Cheney , Brian Dupraw , Yoshimasa Okamura , Andrew C. Phillips , Takayuki Hagiwara , Tetsuya Nishiguchi , Nobuhiko P. Kobayashi

The article considers the simulation of the formation of a multilayer nanocomposite, the combination of elements of which gives rise to the effect of a spin valve. The relevance and importance of the effects in the field of spintronics and…

Superconductivity · Physics 2022-08-18 A. V. Vakhrushev , A. Yu. Fedotov , Yu. B. Savva , A. S. Sidorenko

Here we explore the use of scanning electron diffraction coupled with electron atomic pair distribution function analysis (ePDF) to understand the local order as a function of position in a complex multicomponent system, a hot rolled,…

The way of reduction of metal oxyde semiconductor (MOS) structures is going to reach limitations and new devices have to be explored as an alternative to MOS technology. Molecular electronic and more particularly self-assembly-molecular…

Materials Science · Physics 2007-08-15 C. Trapes , L. Rouai , L. Patrone

In this work is comprising of simulation results of amorphous Si (a-Si) solar cell, in which ITO was used as an anti-reflection coating (ARC). The thickness of ITO was optimized (65 nm) to achieve better performance for spectral region of…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Sandipta Roy , Arnab Pattanayak , Siddartha P. Duttagupta

A systematic review, covering fabrication of nanoscale patterns by laser interference lithography (LIL) and their applications for optical devices are provided. LIL is a patterning method with simple, quick process over a large area without…

Mesoscale and Nanoscale Physics · Physics 2014-03-20 Jung-Hun Seo , Jung Ho Park , Zhenqiang Ma , Jinnil Choi , Byeong-Kwon Ju

We introduce a simple theoretical model that describes the interaction of light with optical metamaterials in terms of interfering optical plane waves. In this model, a metamaterial is considered to consist of planar arrays of densely…

Optics · Physics 2013-11-25 P. Grahn , A. Shevchenko , M. Kaivola

Continuous structural health monitoring (SHM) and integrated nondestructive evaluation (NDE) are important for ensuring the safe operation of high-risk engineering structures. Recently, piezoresistive nanocomposite materials have received…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Lang Zhao , Tyler Tallman , Guang Lin

This work is concerned with Al/Al-oxide(AlO$_{x}$)/Al-layer systems which are important for Josephson-junction-based superconducting devices such as quantum bits. The device performance is limited by noise, which has been to a large degree…

Quantum Physics · Physics 2020-01-07 S. Fritz , A. Seiler , L. Radtke , R. Schneider , M. Weides , G. Weiß , D. Gerthsen

Transparent conducting oxides (TCOs) play an essential role in modern optoelectronic devices through their combination of electrical conductivity and optical transparency. We review recent progress in our understanding of multi-component…

Materials Science · Physics 2013-09-18 Aron Walsh , Juarez L. F. Da Silva , Su-Huai Wei

The electrochemical deposition of ZnO hierarchical nanostructures directly from PHEMA hydrogel coated electrodes has been successfully demonstrated. A variety of hierarchical ZnO nanostructures, including porous nanoflakes, nanosheets and…

Materials Science · Physics 2013-02-20 Shuxi Dai , Yinyong Li , Zuliang Du , Kenneth R. Carter

Optomechanical manipulation of micro and nano-scale objects with laser beams finds use in a large span of multidisciplinary applications. Auxiliary nanostructuring could substantially improve performances of classical optical tweezers by…

Optics · Physics 2015-06-08 Andrey A. Bogdanov , Alexander S. Shalin , Pavel Ginzburg

We present an innovative method to enhance Long Period Optical Fiber Gratings (LPGs) for refractive index sensing using microsphere-assisted superlens laser nanostructuring. This technique involves self-assembling a silica microsphere…

Optics · Physics 2023-11-13 Yiduo Chen , Liyang Yue , Zengbo Wang
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