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The morphological, transport and terahertz optical properties of DC magnetron sputtered granular molybdenum thin-films with nano-grains embedded in an amorphous matrix have been studied in the normal and superconducting states. The…

We study thin films that host coexisting collinear $d$-wave altermagnetic and superconducting orders in the presence of an external magnetic field that fully penetrates the films. We use the Ginzburg-Landau functional to analyze the…

Superconductivity · Physics 2026-03-09 A. A. Mazanik , Rodrigo de las Heras , F. S. Bergeret

Among the magnetic materials, those with ferromagnetic character are, by far, the most studied in what concerns applications of the magnetocaloric effect. However, recently, diamagnetic materials received due attention never received…

Materials Science · Physics 2015-08-03 M. S. Reis

We report on a resistance anomaly in disordered superconducting films containing arrays of irregularly distributed nanoscale holes. At high driving currents, peaks appear in the resistance as a function of temperature, with peak values up…

Superconductivity · Physics 2009-11-13 J. Hua , Z. L. Xiao , D. Rosenmann , I. S. Beloborodov , U. Welp , W. K. Kwok , G. W. Crabtree

Thin-film nanocomposites, consisting of silver nanoparticles embedded in a dielectric Teflon\textregistered AF matrix, were synthesized using vapor phase co-deposition. The electrical conductivity of these composites was measured in-situ as…

Materials Science · Physics 2011-06-21 Haoyan Wei , Hergen Eilers

A 75 nm-thick Fe0.5Pt0.5 film is a ferromagnetic metal showing striped magnetic domains in remanence at room temperature. The magnetoresistance is characterized by varying the external temperature and the in-plane magnetic field intensity,…

Mesoscale and Nanoscale Physics · Physics 2026-05-29 C. P. Quinteros , L. Avilés-Félix , D. Goijman , L. Saba , D. Pérez Morelo , L. Granja , M. Granada , J. Milano

Universality of the extraordinary Hall effect scaling was tested in granular three-dimensional Ni-SiO2 films across the metal-insulator transition. Three types of magnetotransport behavior have been identified: metallic, weakly insulating…

Materials Science · Physics 2015-06-23 D. Bartov , A. Segal , M. Karpovski , A. Gerber

Understanding thermal transport in silicon nanostructures is crucial for effective thermal management in semiconductor devices. In such nanostructures, boundary scattering can significantly reduce thermal conductivity. Diffusive boundary…

Materials Science · Physics 2025-10-28 Michimasa Morita , Junichiro Shiomi

Using Monte Carlo simulation, we studied the electrical conductance of two-dimensional films. The films consisted of a poorly conductive host matrix and highly conductive rodlike fillers (rods). The rods were of various lengths, obeying a…

Soft Condensed Matter · Physics 2019-08-14 Yuri Yu. Tarasevich , Irina V. Vodolazskaya , Andrei V. Eserkepov , Renat K. Akhunzhanovd

Superconductor films on semiconductor substrates draw much attention recently since the derived superconductor-based electronics have been shown promising for future data process and storage technologies. By growing atomically uniform…

Mesoscale and Nanoscale Physics · Physics 2012-01-31 Jian Wang , Xu-Cun Ma , Yun Qi , Ying-Shuang Fu , Shuai-hua Ji , Li Lu , X. C. Xie , Jin-Feng Jia , Xi Chen , Qi-Kun Xue

The alloying of the group-III transparent semiconducting sesquioxides In$_2$O$_3$ and Ga$_2$O$_3$ can lead to a modulation of the properties of the parent compounds, e.g., the shallow- and deep-donor character of the oxygen vacancy or the…

Materials Science · Physics 2024-11-25 Alexandra Papadogianni , Takahiro Nagata , Oliver Bierwagen

We report the effect of annealing on the superconductivity of MgB2 thin films as functions of the postannealing temperature in the range from 700 C to 950 C and of the postannealing time in the range from 30 min to 120 min. On annealing at…

Superconductivity · Physics 2009-11-07 W. N. Kang , Eun-Mi Choi , Hyeong-Jin Kim , Hyun-Jung Kim , Sung-Ik Lee

Magneto-transport properties of SrIrO$_3$ thin films epitaxially grown on SrTiO$_3$, using reactive RF sputtering, are investigated. A large anisotropy between the in-plane and the out-of-plane resistivities is found, as well as a signature…

Strongly Correlated Electrons · Physics 2017-07-04 L. Fruchter , O. Schneegans , Z. Z. Li

Organic thin film materials with molecular ordering are gaining attention as they exhibit semiconductor characteristics. When using them for electronics, the thermal management becomes important, where heat dissipation is directional owning…

Instrumentation and Detectors · Physics 2021-03-31 Shingi Yamaguchi , Takuma Shiga , Shun Ishioka , Tsuguyuki Saito , Takashi Kodama , Junichiro Shiomi

Controlling thermal energy transfer at the nanoscale has become critically important in many applications and thermal properties since it often limits device performance. In this work, we study the effects on thermal conductivity arising…

Epitaxial graphene films have been formed on the C-face of semi-insulating 4H-SiC substrates by a high temperature sublimation process. Nano-scale square antidot arrays have been fabricated on these graphene films. At low temperatures,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 T. Shen , Y. Q. Wu , M. A. Capano , L. R. Rokhinson , L. W. Engel , P. D. Ye

We report measurements of the Nernst effect and of the magneto-resistance of granular aluminum films near the metal to insulator transition. These films show sharp transitions as a function of temperature and magnetic field. At low…

Superconductivity · Physics 2015-06-23 Shachar Lerer , Nimrod Bachar , Guy Deutscher , Yoram Dagan

The thermal conductivity (k) of polycrystalline silicon carbide thin films is relevant for thermal management in emerging silicon carbide applications like MEMS and optoelectronic devices. In such films k can be substantially reduced by…

Materials Science · Physics 2023-06-09 Lei Tang , Chris Dames

For a comprehensive characterization of mechanical reliability of metallization layers on polymer substrates both electrical and mechanical degradation should be taken into account. Although it is evident that cracking of a conductive film…

Materials Science · Physics 2019-04-08 Oleksandr Glushko , Philipp Kraker , M. J. Cordill

Metals typically have very large nonlinear susceptibilities, whose origin is mainly of thermal character. We model the cubic nonlinearity of thin metal films by means of a delayed response derived \textit{ab initio} from an improved version…

Optics · Physics 2012-06-13 Matteo Conforti , Giuseppe Della Valle
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