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The advances in novel low-loss "on insulator" integrated photonics platforms beyond silicon, such as thin-film LiNbO3, LiTaO3, GaP and BaTiO3 have demonstrated major potential across a wide range of applications, due to their unique…

Thin aluminum oxide films were deposited by a new and simple physicochemical method called chemical liquid phase deposition (CLD) on semiconductor materials. Aluminum sulfate with crystallized water and sodium bicarbonate were used as…

Materials Science · Physics 2007-05-23 Jie Sun , Yingchun Sun

We introduce a simple method of an MgB2 film preparation using sequential electron-beam evaporation of B-Mg two-layer (followed by in-situ annealing) on the NbN buffered Si(100) substrate. The Transmission Electron Microscopy analyses…

Optical coatings formed from amorphous oxide thin films have many applications in precision measurements. The Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) and Advanced Virgo use coatings of SiO$_2$ (silica) and…

Materials Science · Physics 2021-04-29 Elenna M. Capote , Amy Gleckl , Jazlyn Guerrero , Michael Rezac , Robert Wright , Joshua R. Smith

Electrolytes as nanostructured materials are very attractive for batteries or other types of electronic devices. (PEO)8ZnCl2 polymer electrolytes and nanocomposites (PEO)8ZnCl2/TiO2 were prepared from PEO and ZnCl2 and with addition of TiO2…

Materials Science · Physics 2008-09-04 Aleksandra Turkovic , Mario Rakic , Pavo Dubcek , Magdy Lucic-Lavcevic , Sigrid Bernstorff

Bi2Sr2Ca1Cu2O8+d (Bi-2212) thin films with thicknesses less than 50 nm (<20 unit cells) are grown by pulsed laser deposition (PLD) onto (001) LaAlO3 (LAO) single crystal substrates. Phase-pure and smooth c-axis oriented Bi-2212 films with…

The thermal deposition and transfer Printing method had been used to produce pentacene thin-films on SiO2/Si and plastic substrates (PMMA and PVP), respectively. X-ray diffraction patterns of pentacene thin films showed reflections…

Materials Science · Physics 2009-11-11 Y. Shao , S. A. Solin , D. R. Hines , E. D. Williams

We report a new in-situ reactive deposition thin film growth technique for the production of MgB2 thin films which offers several advantages over all existing methods and is the first deposition method to enable the production of…

Superconductivity · Physics 2009-11-11 Brian H. Moeckly , Ward S. Ruby

Here we report on studying the electronic and optical material properties of the technologically-relevant material indium tin oxide (ITO) as a function of thermal annealing. In this work, ITO powder has been prepared utilizing solid-state…

General Physics · Physics 2021-04-16 Moustafa Ahmed , Ahmed Bakry , Ammar Qasem , Hamed Dalir

Terbium doped silicon oxynitride host matrix is suitable for various applications such as light emitters compatible with CMOS technology or frequency converter systems for photovoltaic cells. In this study, amorphous Tb3+ ion doped…

We report a novel method for depositing patterned dielectric layers with sub-micron features using atomic layer deposition (ALD). The patterned films are superior to sputtered or evaporated films in continuity, smoothness, conformality, and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. J. Biercuk , D. J. Monsma , C. M. Marcus , J. S. Becker , R. G. Gordon

The authors have shown that nanogranular indium tin oxide (ITO) films, deposited by spray pyrolysis on silicon substrate, demonstrate ultralow thermal conductivity ~ 0.84 +/-0.12 Wm-1K-1 at room temperature. This value is approximately by…

Mesoscale and Nanoscale Physics · Physics 2018-03-16 Vladimir I. Brinzari , Alexandr I. Cocemasov , Denis L. Nika , Ghenadii S. Korotcenkov

Dynamic radiative cooling with variable emissive power is experimentally demonstrated in this study by a wavelength-selective tunable metafilm emitter, which consists of an opaque aluminum film, a sputtered silicon spacer, and a…

Thin films of Ti1-xFexO2 (x=0 and 0.05) have been prepared on sapphire substrates by spin-on technique starting from metal organic precursors. When heat treated in air at 550 and 700 degrees C respectively, these films present pure anatase…

Materials Science · Physics 2009-11-10 R. Suryanarayanan , V. M. Naik , P. Kharel , P. Talgala , R. Naik

This paper reports on the deposition and photoluminescence of amorphous and crystalline thin films of zinc gallium oxide with Ga:Zn atomic ratio varied between 0.3 and 5.7. The films are prepared by reactive direct current magnetron…

Ta (100 nm) / NdFeB (5 $\mu$m) / Ta (100 nm) films have been deposited onto Si substrates using triode sputtering (deposition rate ~ 18 $\mu$m/h). A 2-step procedure was used : deposition at temperatures up to 400 C followed by ex-situ…

Materials Science · Physics 2009-11-13 Arnaud Walther , Kirill Khlopkov , Oliver Gutfleisch , Dominique Givord , Nora M. Dempsey

TiN film was coated on the internal face of racetrack-type ceramic pipe by three different methods: radio-frequency sputtering, DC sputtering and DC magnetron sputtering. The deposition rates of TiN film under different coating methods were…

Accelerator Physics · Physics 2015-01-13 Jie Wang , Yanhui Xu , Bo Zhang , Wei Wei , Le Fan , Xiangtao Pei , Yuanzhi Hong , Yong Wang

We report on the development and extensive characterization of co-sputtered tantala-zirconia thin films, with the goal to decrease coating Brownian noise in present and future gravitational-wave detectors. We tested a variety of sputtering…

Methods for the creation of thin amorphous silicon dioxide (aSiO2) layers on crystalline silicon substrates with very high densities of silicon dangling bonds (so called E' centers) have been explored and volume densities of [E']> 5x10^18…

Disordered Systems and Neural Networks · Physics 2015-08-26 K. Ambal , A. Payne , D. P. Waters , C. C. Williams , C. Boehme

Surface-patterned ZnO thin films were fabricated by direct imprinting on ZnO sol and subsequent annealing process. The polymer-based ZnO sols were deposited on various substrates for the nanoimprint lithography and converted to…

Materials Science · Physics 2011-08-22 Shuxi Dai , Yang Wang , Dianbo Zhang , Xiao Han , Qing Shi , Shujie Wang , Zuliang Du