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This chapter introduces the thermal conductivity of a novel one-dimensional carbon nanostructure - diamond nanothread. It starts by introducing the family of the diamond nanothread as acquired from density functional theory calculations and…

Materials Science · Physics 2018-03-20 Haifei Zhan , Yuantong Gu

Through systematic experimental and theoretical studies of layer-thickness-dependent absorption in semiconducting MoSe$_2$ and WS$_2$ across the visible to near-infrared spectral range, we demonstrate a universal absorption behavior in…

Mesoscale and Nanoscale Physics · Physics 2025-10-27 Bhumika Chauhan , Nikhil Singh , Subhrajit Dalai , Abhisek Saidarsan , Sayantan Patra , Sourabh Jain , Aparna Deshpande , Ashish Arora

We report on electrical transport measurements in a carbon nanotube quantum dot coupled to a normal and a superconducting lead. Depending on the ratio of Kondo temperature $T_{K}$ and superconducting gap $\Delta$ the zero bias conductance…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. R. Graeber , T. Nussbaumer , W. Belzig , C. Schoenenberger

Live cell imaging using metallic nanoparticles as tags is an emerging technique to visualize long and highly dynamic processes due to the lack of photobleaching and high photon rate. However, the lack of excited states as compared to…

Mesoscale and Nanoscale Physics · Physics 2011-01-12 H. E. Grecco , O. E. Martínez

The ability of metallic nanostructures to confine light at the sub-wavelength scale enables new perspectives and opportunities in the field of nanotechnology. Making use of this unique advantage, nano-optical trapping techniques have been…

Optics · Physics 2019-07-26 Domna G. Kotsifaki , Síle Nic Chormaic

The polarization behavior of metallic nano-rods has been analyzed by means of the finite-difference-time-domain method. When the average spacing between the nano-rods is less than a half wavelength, the layer reflects the light polarized…

Optics · Physics 2013-06-25 Young-Gu Ju

Quantum dots are nanostructures made of semiconducting materials that are engineered to hold a small amount of electric charge (a few electrons) that is controlled by external gate and may hence be considered as tunable artificial atoms. A…

Strongly Correlated Electrons · Physics 2019-01-07 Rok Zitko

In this paper we report photovoltaic devices fabricated from PbS nanocrystals and the conducting polymer poly MEH-PPV. This composite material was produced via a new single-pot synthesis which solves many of the issues associated with…

Systems of quantum dots (QD) connected to leads exhibit periodic conductance peaks as a function of gate voltage arising from the Coulomb blockade effect \cite{review1,review2,review3}. Much effort goes into minimizing the size of QDs and…

Mesoscale and Nanoscale Physics · Physics 2009-07-29 L. Bitton , R. Berkovits , A. Frydman

The voltage-carrying state of superconducting NbTiN nanowires, used for single-photon detectors, is analyzed. Upon lowering the current, the wire returns to the superconducting state in a steplike pattern, which differs from sample to…

Superconductivity · Physics 2013-02-05 H. L. Hortensius , E. F. C. Driessen , T. M. Klapwijk

Polymer micro- and nano-fibers, made of organic light-emitting materials with optical gain, show interesting lasing properties. Fibers with diameters from few tens of nm to few microns can be fabricated by electrospinning, a method based on…

Materials Science · Physics 2013-12-02 Andrea Camposeo , Luana Persano , Dario Pisignano

We present a comprehensive experimental and theoretical study of phonon scattering by nanoprecipitates in potassium-doped PbTe, PbSe and PbS. We highlight the role of the precipitate size distribution measured by microscopy, whose tuning…

This paper gives a review of studies of superconductors with a porosity above 50%. The pores in such superconducting materials provide refrigerant penetration, efficient heat dissipation and stable operation. Methods for the synthesis of…

Superconductivity · Physics 2023-07-07 D. M. Gokhfeld , M. R. Koblischka , A. Koblischka-Veneva

There is a strong interest to attach nanoparticles non-covalently to one-dimensional systems like boron nitride nanotubes to form composites. The combination of those materials might be used for catalysis, in solar cells, or for water…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Mirjam Volkmann , Michaela Meyns , Rostyslav Lesyuk , Hauke Lehmann , Christian Klinke

Superconductivity is a remarkably widespread phenomenon observed in most metals cooled down to very low temperatures. The ubiquity of such conventional superconductors, and the wide range of associated critical temperatures, is readily…

We present a simplified yet sophisticated variation to localised surface plasmon resonance spectroscopy, which makes use of naked or non-functionalised, nanoparticle templates. These nanoparticle templates, produced with a rapid and…

Instrumentation and Detectors · Physics 2017-02-02 J. L. Spear , N. Pliatsikas , N. Kalfagiannis , P. Patsalas , D. C. Koutsogeorgis

We report on the study of superconducting nanotips and nanobridges of lead with a Scanning Tunnelling Microscope in tunnel and point contact regimes. We deal with three different structures. A nanotip that remains superconducting under a…

Superconductivity · Physics 2015-06-24 J. G. Rodrigo , H. Suderow , S. Vieira

The electrical resistivity of conventional metals, such as copper, is known to increase in thin films due to electron-surface scattering, limiting the performance of metals in nanoscale electronics. Here, we find an unusual reduction of…

Conventional BCS superconductors are expected to exhibit a conductivity with vanishing dissipation with decreasing temperature. While bulk physical properties measurements indicate PdPb$_{2}$ is a conventional superconductor with a $T_c$ of…

Superconducting nanowire single-photon detectors (SNSPDs) have an absolute advantage over other types of single photon detectors except the low operating temperature. Therefore, many efforts have been devoted to find high-temperature…

Superconductivity · Physics 2018-01-17 Pusheng Yuan , Zhongtang Xu , Chen Li , Baogang Quan , Junjie Li , Changzhi Gu , Yanwei Ma