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We investigate 1D aperiodic multilayer microstructures in order to achieve near total absorption in preselected wavelengths in a graphene monolayer. Our structures are designed by a genetic optimization algorithm coupled to a transfer…

Optics · Physics 2018-03-14 Iman Zand , Hamed Dalir , Ray T. Chen , Jonathan P. Dowling

Black phosphorus (BP) as a promising two-dimensional material with extraordinary optical properties constitutes an excellent building block in multilayer hyperbolic metamaterials. In this work, we design a multilayer structure composed of…

Optics · Physics 2019-11-05 Shuyuan Xiao , Tingting Liu , Le Cheng , Chaobiao Zhou , Xiaoyun Jiang , Zhong Li , Chen Xu

Two-dimensional (2D) carbon-based materials have attracted considerable interest due to their diverse structural and electronic properties, making them ideal for next-generation flat electronics. Among these materials, metallic-like porous…

Enhancing the light-matter interaction in two-dimensional (2D) materials with high-$Q$ resonances in photonic structures has boosted the development of optical and photonic devices. Herein, we intend to build a bridge between the radiation…

Optics · Physics 2021-03-02 Xing Wang , Junyi Duan , Wenya Chen , Chaobiao Zhou , Tingting Liu , Shuyuan Xiao

Two-dimensional (2D) materials as electrodes is believed to be the trend for future Li-ion and Na-ion batteries technologies. Here, by using first-principles methods, we predict that the recently reported borophene (2D born sheet) can serve…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 Xiaoming Zhang , Junping Hu , Yingchun Cheng , Hui Ying Yang , Yugui Yao , Shengyuan A. Yang

A major challenge in the investigation of all 2D materials is the development of synthesis protocols and tools which would enable their large-scale production and effective manipulation. The same holds for borophene, where experiments are…

Hyperbolic materials are receiving significant attention due to their ability to support electromagnetic fields with arbitrarily high momenta and, hence, to achieve very strong light confinement. Here, based on first-principles calculations…

Materials Science · Physics 2021-08-25 Zahra Torbatian , Dino Novko , Reza Asgari

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…

Materials Science · Physics 2015-04-21 Yongqing Cai , Qingqing Ke , Gang Zhang , Yuan Ping Feng , Vivek B Shenoy , Yong-Wei Zhang

The future fibre optic communications network will rely on photons as carriers of information, which may be stored in intensity, polarization or phase of light. However, processing of such optical information usually relies on electronics.…

The search for topological semimetals is mainly focused on heavy-element compounds as following the footsteps of previous research on topological insulators, with less attention on light-element materials. However, the negligible spin orbit…

Materials Science · Physics 2019-01-24 Chengyong Zhong , Weikang Wu , Junjie He , Guangqian Ding , Yi Liu , Dengfeng Li , Shengyuan A. Yang , Gang Zhang

Borophene, the boron atom analogue to graphene, being atomic thick have been just recently experimentally fabricated. In this work, we employ first-principles density functional theory calculations to investigate the interaction of Ca, Mg,…

Materials Science · Physics 2017-04-17 B Mortazavi , A Dianat , O Rahaman , G Cuniberti , T Rabczuk

Borophene, an atomically thin, corrugated, crystalline two-dimensional boron sheet, has been recently synthesized. We investigate mechanical properties and lattice thermal conductivity of borophene via reactive molecular dynamics…

Materials Science · Physics 2017-07-05 Bohayra Mortazavi , Minh-Quy Le , Timon Rabczuk , Luiz Felipe C. Pereira

We investigate the absorption properties of graphene-based anisotropic metamaterial structures where the metamaterial layer possesses an electromagnetic response corresponding to a near-zero permittivity. We find that through analytical and…

Optics · Physics 2016-08-25 Jacob Linder , Klaus Halterman

Polarization- and wavelength-sensitive absorbers for homogeneous electromagnetic waves are crucial in photovoltaics, imaging and telecommunications. Here, we report on an absorber selective to the topological structure of light. An…

Optics · Physics 2025-09-16 Luka Vignjevic , Eric Plum , Nikitas Papasimakis , Nikolay I Zheludev

Optical absorption is one of fundamental light-matter interactions. In most materials, optical absorption is a weak perturbation to the light. In this regime, absorption and emission are irreversible, incoherent processes due to strong…

Phosphorene, a single atomic layer of black phosphorus, has recently emerged as a new twodimensional (2D) material that holds promise for electronic and photonic technology. Here we experimentally demonstrate that the electronic structure…

Recently synthesized two-dimensional (2D) boron, borophene, exhibits a novel metallic behavior rooted in the s-p orbital hybridization, distinctively different from other 2D materials such as sulfides/selenides and semi-metallic graphene.…

The surface of thin-film solar cells can be tailored with photonic nanostructures to allow light trapping in the absorbing medium. This in turn increases the optical thickness of the film and thus enhances their absorption. Such a coherent…

Elaborating reliable and versatile strategies for efficient light coupling between free space and thin films is of crucial importance for new technologies in energy efficiency. Nanostructured materials have opened unprecedented…

Optics · Physics 2013-04-10 Kevin Vynck , Matteo Burresi , Francesco Riboli , Diederik S. Wiersma

Borophene is a two-dimensional material made out of boron atoms only. It exhibits polymorphism and different allotropes can be studied in terms of a rigid electronic structure, where only the occupation of the states change with the respect…

Materials Science · Physics 2025-09-24 Alam Osorio , Lucia Reining , Francesco Sottile