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This work reports, some of the features related to the room temperature superparamagnetic behaviours of lead nanoparticles. Such behaviours have not been discussed elaborately, in any literatures, so far. It is obvious from our studies that…

Materials Science · Physics 2014-02-07 T. Theivasanthi , M. Alagar

The quantum dots of semiconductor display novel and interesting phenomena that have not been in the bulk material. The color tunability is one of the most attractive characteristics in II-VI semiconductor nanoparticles such as CdS, ZnS,…

General Physics · Physics 2012-04-05 M. Alagar , T. Theivasanthi , A. Kubera Raja

Niobium carbide (NbC) is a high-field Type II superconductor with a critical temperature ($T_C$) of 11.1 K, just above that of pure Nb ($T_C = 9$ K). Downsizing NbC to the nanoparticle scale introduces significant alterations in its…

In the realm of colloidal nanostructures, with its immense capacity for shape and dimensionality control, the form is undoubtedly a driving factor for the tunability of optical and electrical properties in semiconducting or metallic…

Micron size superconducting quantum interference devices ($\mu$-SQUID) of lead (Pb), for probing nano-magnetism, were fabricated and characterized. In order to get continuous Pb films with small grain size, Pb was thermally evaporated on a…

Superconductivity · Physics 2021-12-06 Sagar Paul , Sourav Biswas , Anjan K. Gupta

Several surprises are beginning to emerge from studies of nanostructures: whereas increased resistance with decreased thickness has been expected, the exact opposite in several instances has been found. It is beginning to seem we are in the…

Other Condensed Matter · Physics 2010-08-11 Ron Bourgoin

Metals, such as tin, antimony, and lead (Pb) have garnered renewed attention for their potential use as alloyant-negative electrode materials in sodium (Na)-ion batteries (NIBs). Despite Pb's toxicity and its high molecular weight, lead is…

Materials Science · Physics 2024-05-28 Damien K. J. Lee , Zeyu Deng , Gopalakrishnan Sai Gautam , Pieremanuele Canepa

The type I superconductor lead (Pb) has been theoretically predicted to be a two-band superconductor. We use scanning tunneling spectroscopy (STS) to resolve two superconducting gaps with an energy difference of 150$\,\mu$eV. Tunneling into…

Superconductivity · Physics 2015-04-22 Michael Ruby , Benjamin W. Heinrich , Jose I. Pascual , Katharina J. Franke

Among different topological and related phases of condensed matter, nodal semimetals occupy a special place - the electronic band topology in these materials is related to three-dimensional bulk, rather than to surface, states. A great…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 A. V. Pronin , M. Dressel

Synthesis and structural characterization of Pb nanoparticles by electrolysis using a bioactive compound - konjac aqueous extract is the main aim of this study. This method is a unique, novel, low cost and double-step procedure with good…

Chemical Physics · Physics 2012-12-27 T. Theivasanthi , M. Alagar

Below a certain temperature Tc (typically cryogenic), some materials lose their electric resistance R entering a superconducting state. Folowing the general trend toward a large scale integration of a greater number of electronic…

Superconductivity · Physics 2015-06-25 Maciej Zgirski , Karri-Pekka Riikonen , Vladimir Touboltsev , Konstantin Arutyunov

Colloidal lead sulfide is a versatile material with great opportunities to tune the bandgap by electronic confinement and to adapt the optical and electrical properties to the target application. We present a new and simple synthetic route…

Materials Science · Physics 2015-07-20 Frauke Gerdes , Mirjam Volkmann , Thomas Bielewicz , Constanze Schliehe , Christian Klinke

Recently, much research concerning the combination of nano-scale waveguides with nano-crystals and other nano-particles has been reported, because of possible applications in the field of quantum information and communication. The most…

Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized…

Soft Condensed Matter · Physics 2021-04-02 Sanjin Marion , Michal Macha , Sebastian J. Davis , Andrey Chernev , Aleksandra Radenovic

Future generations of liquid scintillator neutrino experiments will require stably loading tons of candidate isotopes into kiloton-scale detectors, representing a significant chemical challenge. Nanoparticles containing the candidate…

Instrumentation and Detectors · Physics 2020-01-29 Eleanor Graham , Diana Gooding , Julieta Gruszko , Christopher Grant , Brian Naranjo , Lindley Winslow

We present a versatile, large-scale fabrication method for nanostructured semiconducting junctions. Silicon substrates were processed by femtosecond laser pulses in methanol and a quasi-ordered distribution of columnar nanospikes was formed…

Materials Science · Physics 2014-10-24 D. G. Georgiadou , M. Ulmeanu , M. Kompitsas , P. Argitis , M. Kandyla

Superconducting nanowires undergoing quantum phase-slips have potential for impact in electronic devices, with a high-accuracy quantum current standard among a possible toolbox of novel components. A key element of developing such…

Superconductivity · Physics 2018-06-21 N. G. N. Constantino , M. S. Anwar , O. W. Kennedy , M. Dang , P. A. Warburton , J. C. Fenton

This review focuses on the investigation and enhancement of the thermoelectric properties of semiconducting nanowires (NWs). NWs are nanostructures with typical diameters between few to hundreds of nm and length of few to several microns,…

Mesoscale and Nanoscale Physics · Physics 2021-01-05 Milo Yaro Swinkels , Ilaria Zardo

Nodal-line semimetals are topologically non-trivial states of matter featuring band crossings along a closed curve, i.e. nodal-line, in momentum space. Through a detailed analysis of the electronic structure, we show for the first time that…

Methods for the testing of nanopowders produced by wires electric explosion were considered. The following characteristics were proposed for the testing of nanopowders : main substance content, characteristic sizes of particles, specific…

Materials Science · Physics 2007-08-15 V. An , C. De Izarra , A. Korshunov , A. Godimchuk , Y. Amelkovich , G. Yablunovskii
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