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The response of superconducting aluminum to electromagnetic radiation is investigated in a broad frequency (45 MHz to 40 GHz) and temperature range ($T>T_c/2$), by measuring the complex conductivity. While the imaginary part probes the…

Superconductivity · Physics 2008-08-20 Katrin Steinberg , Marc Scheffler , Martin Dressel

Continuous Nb wires, 7-15 nm in diameter, have been fabricated by sputter-coating single fluorinated carbon nanotubes. Transmission electron microscopy revealed that the wires are polycrystalline, having grain sizes of about 5 nm. The…

Superconductivity · Physics 2009-11-10 Andrey Rogachev , Alexey Bezryadin

Superconductivity in granular films is controlled by the grain size and the inter-grain coupling. In a two-component granular system formed by a random mixture of a normal metal (N) and a superconductor (S), the superconducting nano-grains…

Mesoscale and Nanoscale Physics · Physics 2017-04-27 Pradnya Parab , Vivas Bagwe , Bhagyashree Chalke , H. Muthurajan , Pratap Raychaudhuri , Sangita Bose

We have fabricated and characterized samples of the superconducting- semiconducting Bi-Pb-Sb-Sr-Ca-Cu-O/CdS composite. Nano-size particles of CdS were deposited and introduced into the porosities of the Bi-Pb-Sb-Sr-Ca-Cu-O material by the…

Light-emitting diodes (LEDs) based on halide perovskite nanocrystals have attracted extensive attention due to their considerable luminescence efficiency, wide color gamut, high color purity, and facile material synthesis. Since the first…

Materials Science · Physics 2025-12-09 Ying Liu , Zhuangzhuang Ma , Jibin Zhang , Yanni He , Jinfei Dai , Xinjian Li , Zhifeng Shi , Liberato Manna

Colloidal semiconductor nanocrystals are promising materials for classical and quantum light sources due to their versatile chemistry and efficient photoluminescence (PL) properties. While visible emitters are well-established, the pursuit…

Nano-scale lasers harnessing metallic plasmons hold promise across physical sciences and industrial applications. Plasmons are categorized as surface plasmon polaritons (SPP) and localized surface plasmons (LSP). While SPP has gained…

Optics · Physics 2023-10-16 Sangyeon Cho , Nicola Martino , Seok-Hyun Yun

Silicon, one of the most abundant elements found on Earth, has been an excellent choice of the semiconductor industry for ages. Despite it's remarkable applications in modern semiconductor-based electronic devices, the potential of cubic…

Superconductivity · Physics 2022-06-29 Monika Moun , Goutam Sheet

We have grown spiral carbon nanofibers containing Pd metal clusters using the Pd2(dba)3 catalyzed decomposition of gaseous acetylene on molecular sieves (AlPO4-5) support. The microstructure and composition of the spiral carbon nanofibers…

Disordered Systems and Neural Networks · Physics 2007-05-23 C. -J. Liu , T. -W. Wu , L. -S. Hsu , C. -J. Su , C. -C. Wang , F. -S. Shieu

LiBC, a semiconducting ternary borocarbide constituted of the lightest elements only, has been synthesized and characterized by x-ray powder diffraction, dielectric spectroscopy, and conductivity measurements. Utilizing an infrared…

Materials Science · Physics 2009-11-07 A. V. Pronin , K. Pucher , P. Lunkenheimer , A. Krimmel , A. Loidl

High-throughput ab-initio calculations, cluster expansion techniques and thermodynamic modeling have been synergistically combined to characterize the binodal and the spinodal decompositions features in the pseudo-binary lead chalcogenides…

The possibility of inducing superconductivity in type-I Weyl semimetal through coupling its surface to a superconductor was investigated. A single crystal of NbP, grown by chemical vapor transport method, was carefully characterized by XRD,…

The "metallic" temperature variation of the electrical resistivity of chemical nano gold-silver coatings with a silver content of 6.6 % at. up to 13.1 % at. determined in the temperature range 4.2-300 K. Features of low-temperature…

We characterize inductors fabricated from ultra-thin, approximately 100 nm wide strips of niobium (Nb) and niobium nitride (NbN). These nanowires have a large kinetic inductance in the superconducting state. The kinetic inductance scales…

Quantum confinement of the perpendicular motion of electrons in single-crystalline metallic superconducting nanofilms splits the conduction band into a series of single-electron subbands. A distinctive feature of such a nanoscale multi-band…

Superconductivity · Physics 2015-05-28 Yajiang Chen , A. A. Shanenko , A. Perali , F. M. Peeters

It is shown that nanoparticles made of low $T_c$ superconductors have large diamagnetic response at temperatures several orders of magnitude above $T_c$. Most features of the recently observed Giant diamagnetism of Au nanorods are explained…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Yoseph Imry

Very recent observation of superconductivity in both transport (resistance versus temperature) and magnetization (Zero field cooled) at around 235 K has obviously raised many eyebrows. The experimental fraternity in particular is more…

Superconductivity · Physics 2018-08-09 V. P. S. Awana

Earlier studies show that organic and inorganic semiconducting materials are the most promising materials for use in temperature sensors. In this brief review, attention will be focused on temperature sensors and its applications in various…

Materials Science · Physics 2012-05-15 B. C. Yadav , Richa Srivastava , Satyendra Singh , Anurodh Kumar , A. K. Yadav

In this work, a unified numerical model is used to determine the melting thresholds and to investigate early stages of melting of several crystalline semiconductors (Si, Ge, GaAs, CdTe and InP) irradiated by nanosecond laser pulses. A…

Materials Science · Physics 2024-12-17 J. Beranek , A. V. Bulgakov , N. M. Bulgakova

We report here metal to insulator transition, colossal Seebeck coefficient and ultralow thermal conductivity (0.0057th of its bulk value, significantly smaller than many well-known thermoelectric materials and silicon, showing potential…

Materials Science · Physics 2020-01-28 Vikash Sharma , Gunadhor Singh Okram , Yung-Kang Kuo