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We use a frequency-dependent electro-optic technique to measure the hole mobility in small molecule organic semiconductors, such as 6,13 bis(triisopropylsilylethynyl)-pentacene. Measurements are made on semiconductor films in bottom gate,…

Materials Science · Physics 2012-12-20 Emily G. Bittle , Joseph W. Brill , Joseph P. Straley

Co2FeSi/GaAs(110) and Co2FeSi/GaAs(111)B hybrid structures were grown by molecular-beam epitaxy and characterized by transmission electron microscopy (TEM) and X-ray diffraction. The films contained inhomogeneous distributions of ordered…

Mesoscale and Nanoscale Physics · Physics 2015-12-10 Bernd Jenichen , Jens Herfort , Thomas Hentschel , Andrei Nikulin , Xiang Kong , Achim Trampert , Ivo Zizak

It is known that solid-state reaction in high-pressure oxygen can stabilize high-oxidation phases of Y-Ba-Cu-O superconductors in powder form. We extend this superoxygenation concept of synthesis to thin films which, due to their large…

Superconductivity · Physics 2018-04-04 H. Zhang , N. Gauquelin , C. McMahon , D. G. Hawthorn , G. A. Botton , J. Y. T. Wei

We report the effect of silver addition on superconducting performance of bulk YBCO (YBa2Cu3O7) superconductor. All the studied samples are prepared by conventional solid-state reaction method. Rietveld fitted X-ray diffraction data…

Superconductivity · Physics 2013-07-18 Poonam Rani , Rajveer Jha , V. P. S Awana

Laser annealing offers a promising route to back end of the line fabrication of ferroelectric thin film transistors based on hafnium-zirconium oxide (HZO). Due to the wide band gap of this material, previous reports have studied the…

The current paper mainly addresses the effect of the hydrogen partial pressure on the microstructure and transformation of the Ag$_2$O film. The transformation process and mechanism were also analyzed in detail. Increasing the hydrogen…

Materials Science · Physics 2015-06-16 Xiaoyong Gao , Mengke Zhao , Hongtao Liu , Sa Zhang

We investigate the differences in the dynamics of the ultrafast photo-induced metal-insulator transition (MIT) of two VO$_2$ thin films deposited on different substrates, TiO$_2$ and Al$_2$O$_3$, and in particular the temperature dependence…

Recent advances in the experimental growth and control of disordered thin films, heterostructures, and interfaces provide a fertile ground for the observation and characterisation of the collective superconducting excitations emerging below…

Eukaryotic cells demonstrate a wide variety of dynamic patterns of filamentous actin (F-actin) and its regulators. Some of these patterns play important roles in cell functions, such as distinct motility modes, which motivate this study. We…

Pattern Formation and Solitons · Physics 2026-04-13 Jack M. Hughes , Saar Modai , Leah Edelstein-Keshet , Arik Yochelis

We have grown superconducting TiN films by atomic layer deposition with thicknesses ranging from 6 to 89 nm. This deposition method allows us to tune the resistivity and critical temperature by controlling the film thickness. The microwave…

Aluminum-Copper (Al-Cu) alloys are essential materials for weight reduction critical structures in the aerospace and automotive industries, yet achieving their maximum ultrahigh-strength potential remains limited by nanoscale defect control…

Materials Science · Physics 2026-01-05 Amirhossein Abedini , Behzad Mehrafrooz , Iyad Alabd Alhafez , Arash Kardani

We study theoretically the evaporation-driven phase separation of a binary fluid mixture in a thin film deposited on a moving substrate, as occurs in meniscus-guided deposition for solution-processed materials. Our focus is on rapid…

Soft Condensed Matter · Physics 2024-07-01 René de Bruijn , Anton A. Darhuber , Jasper J. Michels , Paul van der Schoot

We present a theoretical study on pattern formation occurring in miscible fluids reacting by a second-order reaction $A + B \to S$ in a vertical Hele-Shaw cell under constant gravity. We have recently reported that concentration-dependent…

Fluid Dynamics · Physics 2019-09-25 Dmitry Bratsun

Further development of nuclear power plant technology relies heavily on materials durability under operating conditions. Estimating the materials performance in the operando tests is crucial. In this paper, the mechanical behavior of thin…

Observations indicate that dense molecular filamentary clouds are sites of star formation. The filament width determines the most unstable scale for self-gravitational fragmentation and influences the stellar mass. Therefore, constraining…

Astrophysics of Galaxies · Physics 2025-05-09 Daisei Abe , Tsuyoshi Inoue , Shu-ichiro Inutsuka , Doris Arzoumanian

This study was aimed to investigate the thickness dependent morphological changes of Mn films deposited on GaAs substrates by thermal evaporation technique. Ni films were deposited under same conditions to perform comparative study of the…

Applied Physics · Physics 2019-11-05 Anupama Chanda , Joydip Sengupta , Chacko Jacob

Molybdenum supported thin films of ScN, MgO and NaF with a Cu adatom have been studied in the framework of density functional theory. We have observed a charge transfer from the metal/film interface to the Cu atom and investigated its…

Materials Science · Physics 2015-07-14 Pjotrs A. Žguns , Michael Wessel , Natalia V. Skorodumova

Delafossites, comprised of noble metal (A+) and strongly correlated sublayers (BO2-), form natural superlattices with highly anisotropic properties. These properties hold significant promise for various applications, but their exploitation…

Many technologies require highly-oriented and textured functional thin films. The most common synthe-sis approaches use on-axis sputter geometries. However, in some scenarios, on-axis sputtering is not feasible. During ionized physical…

Kinetic understanding of hydrogen co-reduction of multinary and multi-phase oxides is of interest for enhancing sustainability of alloy production and transition to a hydrogen-based economy. Benefits include decrease in energy consumption,…

Materials Science · Physics 2026-03-17 Emmanuel Uwayezu , Shaolou Wei , Yujiao Li , Johannes D. Bartl , Dierk Raabe , Alfred Ludwig