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Thin films are a prerequisite for application of the emergent exotic ground states in iridates that result from the interplay of strong spin-orbit coupling and electronic correlations. We report on pulsed laser deposition of…

Strongly Correlated Electrons · Physics 2015-02-26 Marcus Jenderka , Rüdiger Schmidt-Grund , Marius Grundmann , Michael Lorenz

LaAlO3-Ba0.5Sr0.5TiO3 (LAO-BST) thin films, with different LAO contents, were deposited on Pt/Ti/SiO2/Si and (100) LaAlO3 substrate, via a pulsed laser deposition (PLD). Phase composition and microstructure of the LAO-BST thin films were…

Materials Science · Physics 2007-05-23 L. B. Kong , L. Yan , K. B. Chong , C. Y. Tan , L. F. Chen , C. K. Ong

The dielectric properties of NiO thin films grown by pulsed laser deposition have been studied as a function of strain at temperature from 10 to 300 K. Above 150 K, the contribution of space-charge polarization to the dielectric…

Materials Science · Physics 2019-06-04 Alireza Kashir , Hyeon-Woo Jeong , Gil-ho Lee , Pavlo Mikheenko , Yoon Hee Jeong

We review the thin film growth, chemistry, and physical properties of Group 4-6 transition-metal diboride (TMB2) thin films with AlB2-type crystal structure (Strukturbericht designation C32). Industrial applications are growing rapidly as…

Materials Science · Physics 2021-12-30 Martin Magnuson , Lars Hultman , Hans Högberg

The Poly(vinylidene fluoride)/CaCu3Ti4O12 (CCTO) nanocrystal composite films (85nm) with relatively high dielectric permittivity (90 at 100Hz) were prepared by the solution casting followed by spin coating technique. The structural, the…

Materials Science · Physics 2013-01-18 P. Thomas , S. Satapathy , K. Dwarakanath , K. B. R. Varma

TaN thin film is an attractive interlayer as well as a diffusion barrier layer in [FeN/TaN](n) multilayers for the application as potential write-head materials in high-density magnetic recording. We synthesized two series of TaN films on…

Materials Science · Physics 2007-05-23 H. B. Nie , S. Y. Xu , S. J. Wang , L. P. You , Z. Yang , C. K. Ong , J. Li , T. Y. F. Liew

A-site deficient Ba$_{0.975}$La$_{0.017}$(ZrxTi$_{0.95-x}$)Sn$_{0.05}$O$_3$ (x = 0.05; 0.20) ceramics (BLaZ100xTS) were synthesized using the solid-state reaction. The microstructural study revealed a high density and low porosity in the…

Materials Science · Physics 2020-12-09 Sihem Smail , Manal Benyoussef , Kamel Taïbi , Bouchai Manoun , Mimoun El Marssi , Abdelilah Lahmar

The structure and microstrucutre of fully-strained BiCrO3 thin films have been investigated by X-rays diffraction and transmission electron microscopy, at room temperature. Interestingly, three structural variants are simultaneously…

Materials Science · Physics 2010-06-04 Adrian David , Philippe Boullay , Vengadesh Mangalam , Nicolas Barrier , Wilfrid Prellier

Micro-Raman spectroscopy and X-ray diffraction have been used to explore the lattice dynamics of Nb-substituted SrBi2(Ta1-xNbx)2O9 (SBTN) crystalline thin films annealed at low temperature, 700oC. It turned out that SrBi2(Ta1-xNbx)2O9 films…

Pulsed-laser deposition has been used to grow epitaxial thin films of the giant-dielectric-constant material CaCu_3Ti_4O_{12} on LaAlO_3 and SrTiO_3 substrates with or without various conducting buffer layers. The latter include…

Materials Science · Physics 2009-11-07 W. Si , E. M. Cruz , P. D. Johnson , P. W. Barnes , P. Woodward , A. P. Ramirez

This study reports on the optical, structural, and dielectric properties of aluminum tantalum oxide (Al$_x$Ta$_y$O$_z$) thin films deposited at low temperature on silicon and steel substrates by pulsed direct current reactive magnetron…

Materials Science · Physics 2026-02-20 Pavel Ondračka , Richard Drevet , Daniel Franta , Jan Dvořák , Ivan Ohlídal , Petr Vašina

The potential utilization of two-stage sintering for the production of highly dense and pure nickel diniobate (Ni4Nb2O9) ceramics with low firing temperature was demonstrated. Effects of designed sintering conditions on phase formation,…

Materials Science · Physics 2016-09-21 Orawan Khamman , Jiraporn Jainumpone , Anucha Watcharapasorn , Supon Ananta

Here, we report the existence of large remnant polarization and dielectric constant in PbTiO3 buffered polycrystalline (BiFeO_3)_{1-x} (PbTiO_3)_x thin films of composition x = 0.25, 0.30 and 0.35 around the morphotropic phase boundary. The…

Al2O3 thin films have been deposited at substrate temperatures between 500{\deg}C to 600{\deg}C by reactive magnetron sputtering using an additional arbitrary substrate bias to tailor the energy distribution of the incident ions. The films…

Silicon-based dielectric is crucial for many superconducting devices, including high-frequency transmission lines, filters, and resonators. Defects and contaminants in the amorphous dielectric and at the interfaces between the dielectric…

Instrumentation and Methods for Astrophysics · Physics 2023-08-09 M. Lisovenko , Z. Pan , P. S. Barry , T. Cecil , C. L. Chang , R. Gualtieri , J. Li , V. Novosad , G. Wang , V. Yefremenko

The structure and the dielectric properties of Pb(Zn1/3Nb2/3)O3 (PZN) crystal have been investigated by means of high-resolution synchrotron x-ray diffraction (with an x-ray energy of 32 keV) and dielectric spectroscopy (in the frequency…

Materials Science · Physics 2009-11-10 Y. -H. Bing , A. A. Bokov , Z. -G. Ye , B. Noheda , G. Shirane

Ba(Fe$_{1/2}$Nb$_{1/2}$)O$_3$ (BFN) ceramics are considered to be promising for technological applications owing to their high dielectric constant over a wide range of temperatures. However, there exists considerable discrepancy over the…

The electronic structure and chemical bonding in reactively magnetron sputtered ZrHx (x=0.15, 0.30, 1.16) thin films with oxygen content as low as 0.2 at% are investigated by 4d valence band, shallow 4p core-level and 3d core-level X-ray…

Materials Science · Physics 2017-11-07 Martin Magnuson , Susann Schmidt , Lars Hultman , Hans Högberg

We report structural, optical, temperature and frequency dependent dielectric, and energy storage properties of pulsed laser deposited (100) highly textured BaZr(x)Ti(1-x)O3 (x = 0.3, 0.4 and 0.5) relaxor ferroelectric thin films on…

Materials Science · Physics 2017-08-29 Alvaro A. Instan , Shojan P. Pavunny , Mohan K. Bhattarai , Ram S. Katiyar

The structural, dielectric and ferroelectric properties of lead-free (Na0.5-xKxBi0.5-xLax)TiO3 powders synthesized by sol-gel self-combustion method were investigated. Rietveld refinement of Synchrotron x-ray diffraction data confirms pure…