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Related papers: Macroscopically Aligned Carbon Nanotubes as a Refr…

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Condensation of water on metallic surfaces is critical for multiple energy conversion processes. Enhancement in condensation heat transfer efficiency often requires surface texturing and hydrophobicity, usually achieved through coatings, to…

Possible applications of carbon nanotubes in nanoelectromechanical systems (NEMSs) based on rela-tive motion and interaction of nanotubes walls are considered for wide set of NEMS. This set includes nanomotors, nanoactuator, nanorelay,…

Mesoscale and Nanoscale Physics · Physics 2010-11-02 Yu E Lozovik , A M Popov

The inherent crystal anisotropy of hexagonal boron nitride (hBN) sustains naturally hyperbolic phonon polaritons, i.e. polaritons that can propagate with very large wavevectors within the material volume, thereby enabling optical…

Ultrathin superconductors of different materials are becoming a powerful platform to find mechanisms for enhancement of superconductivity, exploiting shape resonances in different superconducting properties. Here we evaluate the…

Carbon nanotubes are a good realization of one-dimensional crystals where basic science and potential nanodevice applications merge. Defects are known to modify the electrical resistance of carbon nanotubes. They can be present in as-grown…

Materials Science · Physics 2007-05-23 C. Gomez-Navarro , P. J. De Pablo , J. Gomez-Herrero , B. Biel , F. J. Garcia-Vidal , A. Rubio , F. Flores

The fabrication of functional metamaterials with extreme feature resolution finds a host of applications such as the broad area of surface/light interaction. Non-planar features of such structures can significantly enhance their performance…

This study comprehensively characterizes, with suggested applications, a novel two-dimensional carbon allotrope, C$_{16}$, using Density Functional Theory and machine learning-based molecular dynamics. This nanomaterial is derived from…

Hyperbolic (or indefinite) materials have attracted significant attention due to their unique capabilities for engineering electromagnetic space and controlling light propagation. A current challenge is to find a hyperbolic material with…

Materials Science · Physics 2017-04-26 Shan Guan , Shao Ying Huang , Yugui Yao , Shengyuan A. Yang

We present photocurrent power-enhancement calculations of a carbon nanotube p-n junction electromagnetically coupled to a highly-efficient photonic structure. Particular attention is paid to a GaAs photonic structure specifically modified…

Mesoscale and Nanoscale Physics · Physics 2010-04-27 Bryan M. Wong , Alfredo M. Morales

We propose a mechanism to substantially rectify radiative heat flow by matching thin films of metal-to-insulator transition materials and polar dielectrics in the electromagnetic near field. By leveraging the distinct scaling behaviors of…

Applied Physics · Physics 2021-09-09 Qizhang Li , Haiyu He , Qun Chen , Bai Song

We analyze the use of layered superconductors as anisotropic metamaterials. Layered superconductors can have a negative refraction index in a wide frequency range for arbitrary incident angles. Indeed, low-Tc (s-wave) superconductors allow…

Superconductivity · Physics 2013-03-19 A. L. Rakhmanov , V. A. Yampol'skii , J. A. Fan , Federico Capasso , Franco Nori

The use of oxide glasses is pervasive throughout everyday amenities and commodities. Such glasses are typically electrical insulators, and endowing them with electrical conductivity without changing their salutary mechanical properties,…

As one of the most fundamental optical phenomena, refraction between isotropic media is characterized by light bending towards the normal to the boundary when passing from a low- to a high-refractive-index medium. However, in anisotropic…

Recent years have seen the development of several experimental systems capable of tuning local parameters of quantum Hamiltonians. Examples include ultracold atoms, trapped ions, superconducting circuits, and photonic crystals. By design,…

Mesoscale and Nanoscale Physics · Physics 2014-01-03 Jonah Waissman , Maayan Honig , Sharon Pecker , Avishai Benyamini , Assaf Hamo , Shahal Ilani

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

Semiconducting single-walled carbon nanotubes are studied in the diffusive transport regime. The peak mobility is found to scale with the square of the nanotube diameter and inversely with temperature. The maximum conductance, corrected for…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Xinjian Zhou , Ji-Yong Park , Shaoming Huang , Jie Liu , Paul L. McEuen

We have investigated excitons in highly-aligned single-walled carbon nanotubes (SWCNTs) through optical spectroscopy at low temperature (1.5 K) and high magnetic fields ($\textbf{\textit{B}}$) up to 55 T. SWCNT/polyacrylic acid films were…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. Shaver , S. A. Crooker , J. A. Fagan , E. K. Hobbie , N. Ubrig , O. Portugall , V. Perebeinos , Ph. Avouris , J. Kono

We report on scalable heterointegration of superconducting electrodes and epitaxial semiconductor quantum dots on strong piezoelectric and optically nonlinear lithium niobate. The implemented processes combine the sputter-deposited thin…

Plasmonic nanoparticles resonantly couple to and confine light below the diffraction limit. This mechanism has enabled a modern renaissance in optical materials, with potential applications ranging from sensing and circuitry to renewable…

Molybdenum rhenium alloy thin films can exhibit superconductivity up to critical temperatures of $T_c=15\mathrm{K}$. At the same time, the films are highly stable in the high-temperature methane / hydrogen atmosphere typically required to…

Mesoscale and Nanoscale Physics · Physics 2016-03-08 K. J. G. Götz , S. Blien , P. L. Stiller , O. Vavra , T. Mayer , T. Huber , T. N. G. Meier , M. Kronseder , Ch. Strunk , A. K. Hüttel
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