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The presence of strong disorder can significantly impact electrical conduction in metallic systems. Here, we investigate the temperature dependence of the electrical resistivity, $\rho(T)$, in nonmagnetic single crystals of the…

Materials Science · Physics 2026-02-27 Juliana Gonçalves Dias , Shyam Sundar , Leticie Mendonça-Ferreira , Marcos A. Avila

The newly found superconductivity in infinite-layer nickelate superconducting films has attracted much attention, because their crystalline and electronic structures are similar to high-$T_c$ cuprate superconductors. The upper critical…

Superconductivity · Physics 2021-04-08 Ying Xiang , Qing Li , Yueying Li , Huan Yang , Yuefeng Nie , Hai-Hu Wen

Vanadium silicide (V$_3$Si) is a promising superconductor for integration with silicon-based electronics, however the interfacial growth kinetics have a strong influence on the resulting superconducting properties and are not yet fully…

V$_3$Si thin films are known to be superconducting with transition temperatures up to 15 K, depending on the annealing temperature and the properties of the substrate underneath. Here we investigate the film structural properties with the…

The parallel magnetic field tuned two-dimensional superconductor-insulator transition has been investigated in ultrathin films of amorphous Bi. The resistance is found to be independent of temperature on both sides of the transition below…

Superconductivity · Physics 2009-11-11 Kevin A. Parendo , K. H. Sarwa B. Tan , A. M. Goldman

We report on a systematic study of strain effects on the transport properties and the ferromagnetic transition temperature $T_{c}$ of high-quality La$_{0.9}$Sr$_{0.1}$MnO$_{3}$ thin films epitaxially grown on (100) SrTiO$_{3}$ substrates.…

Materials Science · Physics 2009-11-07 X. J. Chen , S. Soltan , H. Zhang , H. -U. Habermeier

We present here a simple qualitative model that interpolates between the high and low temperature properties of quasi-1D conductors. At high temperatures we argue that transport is governed by inelastic scattering whereas at low…

Disordered Systems and Neural Networks · Physics 2009-10-30 Ivar Martin , Philip Phillips

Thermal phonon transport in square- and triangular-lattice Si phononic crystal (PnC) nanostructures with a period of 300 nm was investigated by measuring the thermal conductivity using micrometer-scale time-domain thermoreflectance. The…

Mesoscale and Nanoscale Physics · Physics 2015-05-22 Junki Nakagawa , Yuta Kage , Takuma Hori , Junichiro Shiomi , Masahiro Nomura

We report a super-insulating behavior, in a device having granular Pb film on back-gated few-layer $\mathrm{MoS_2}$, below an onset temperature same as the critical temperature $T_{\rm C}\approx7$ K of bulk Pb. Below $T_{\rm C}$, the…

Superconductivity · Physics 2025-05-26 Suraina Gupta , Santu Prasad Jana , Pawan Kumar Gupta , Anjan K. Gupta

While cryogenic-temperature subthreshold swing (SS) in crystalline semiconductors has been widely studied, a careful study on the temperature-dependent SS in amorphous oxide semiconductors remains lacking. In this paper, a comprehensive…

We have systematically investigated the electrical transport properties of polycrystalline TaN$_x$ ($0.83$$\lesssim$$x$$\lesssim$1.32) films with rocksalt structure from 300 down to 2 K. It is found that the conductivity varies linearly…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Ran Li , Xiu-Zhi Duan , Xin Zhu , Yang Yang , Ding-Bang Zhou , Zhi-Qing Li

Thin films of the charge-ordered (CO) compound Pr$_{0.5}$Ca$_{0.5}$MnO$_{3}$ have been deposited onto (100)-oriented SrTiO$_{3}$ substrates using the Pulsed Laser Deposition technique. Magnetization and transport properties are measured…

Materials Science · Physics 2009-10-31 W. Prellier , Ch. Simon , A. M. Haghiri-Gosnet , B. Mercey , B. Raveau

The low temperature properties of glass are distinct from those of crystals due to the presence of poorly understood low-energy excitations. The tunneling model proposes that these are atoms tunneling between nearby equilibria, forming…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Andrew Fefferman , Ana Maldonado , Eddy Collin , Xiao Liu , Tom Metcalf , Glenn Jernigan

Semiconducting polycrystalline thin films are cheap to produce and can be deposited on flexible substrates, yet high-performance electronic devices usually utilize single-crystal semiconductors, owing to their superior electrical mobilities…

The structures, optical and electrical transport properties of SnO$_2$ films, fabricated by rf sputtering method at different oxygen partial pressures, were systematically investigated. It has been found that preferred growth orientation of…

Materials Science · Physics 2014-02-11 Yu-Chen Ji , Hua-Xing Zhang , Xing-Huang Zhang , Zhi-Qing Li

The temperature dependences of the total, crystal lattice and electronic thermal conductivities were investigated in films of topological insulators p-Bi$_{0.5}$Sb$_{1.5}$Te$_{3}$ and p-Bi$_{2}$Te$_{3}$ formed by discrete and thermal…

Materials Science · Physics 2022-07-12 L N Lukyanova , Yu A Boikov , O A Usov , V A Danilov , I V Makarenko , V N Petrov

Transport characteristics of single crystal bismuth films on Si(111)-7 \times 7 are found to be metallic or insulating at temperature below or above TC, respectively. The transition temperature TC decreases as the film thickness increases.…

Mesoscale and Nanoscale Physics · Physics 2010-05-21 F. Pang , X. J. Liang , Z. L. Liao , S. L. Yin , D. M. Chen

An experimental investigation was made of the temperature dependence of the first step of a phase-slip line in a thin superconducting tin film. The depth of penetration of a nonequilibrium longitudinal electric field into the superconductor…

Superconductivity · Physics 2007-05-23 E. V. Il'ichev , V. I. Kuznetsov , V. A. Tulin

We report the temperature dependence of resistivity (rho) and Hall coefficient (R_H) in the normal state of homogeneously disordered epitaxial NbN thin films with kFl~3.27-10.12. The superconducting transition temperature (Tc) of these…

We present the results of electron delocalization in thin films of finite thickness at finite tem- parature induced by thickness of the film and temparature. The two dimensional results show temparature induced metal-insulator transition…

Strongly Correlated Electrons · Physics 2014-12-09 R. K. Brojen Singh