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Epitaxial NbO2 (110) films, 20 nm thick, were grown by pulsed laser deposition on Al2O3 (0001) substrates. The Ar/O2 total pressure during growth was varied to demonstrate the gradual transformation between NbO2 and Nb2O5 phases, which was…

Materials Science · Physics 2015-07-29 Toyanath Joshi , Tess R. Senty , Pavel Borisov , Alan D. Bristow , David Lederman

Epitaxial strain imposed in complex oxide thin films by heteroepitaxy is recognized as a powerful tool for identifying new properties and exploring the vast potential of materials performance. A particular example is LaCoO3, a zero spin,…

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

The recent study of oxides led to the discovery of several new fascinating physical phenomena. High-temperature superconductivity, colossal magnetoresistance, dilute magnetic doping, or multiferroicity were discovered and investigated in…

Materials Science · Physics 2012-01-11 Matthias Opel

Entropy stabilization has garnered significant attention as a new approach to designing novel materials. Much of the work in this area has focused on bulk ceramic processing, leaving entropy-stabilized thin films relatively underexplored.…

Materials Science · Physics 2020-06-29 Valerie Jacobson , Dave Diercks , Bobby To , Andriy Zakutayev , Geoff Brennecka

The tetragonal states produced by isotropic pseudomorphic epitaxial strain in the (001) plane on a tetragonal phase of a crystal are calculated for V, Ti, Rb, Li, K, Sr from first-principles electronic theory. It is shown that each metal…

Materials Science · Physics 2009-10-31 P. M. Marcus , P. Alippi

In this paper we report the observation of curent induced change of resistance of thin metallic oxide films. The resistance changes at a very low current (current density $J \geq 10^{3}$ A/cm$^{2}$). We find that the time dependence…

Disordered Systems and Neural Networks · Physics 2007-05-23 Arindam Ghosh , A. K. Raychaudhuri , R. Sreekala , M. Rajeswari , T. Venkatesan

Remote epitaxy has garnered considerable attention as a promising method that facilitates the growth of thin films that replicate the crystallographic characteristics of a substrate by utilizing two-dimensional (2D) material interlayers…

Using real-time spectroscopic ellipsometry, we directly observed a reversible lattice and electronic structure evolution in SrCoOx (x = 2.5 - 3) epitaxial thin films. Drastically different electronic ground states, which are extremely…

Strongly Correlated Electrons · Physics 2013-08-29 Woo Seok Choi , Hyoungjeen Jeen , Jun Hee Lee , S. S. Ambrose Seo , Valentino R. Cooper , Karin M. Rabe , Ho Nyung Lee

The presence of amorphous oxide layers can significantly affect the coherent time of superconducting qubits due to their high dielectric loss. Typically, the surface oxides of superconductor films exhibit lossy and unstable behavior when…

Materials Science · Physics 2024-05-08 Zengqian Ding , Boyi zhou , Tao Wang , Lina Yang , Yanfu Wu , Xiao Cai , Kanglin Xiong , Jiagui Feng

High–quality epitaxial YNixMn1-xO3 thin films have been successfully grown on SrTiO3 (100) (STO) by pulsed laser deposition. X-ray diffraction studies showed that the films deposited on STO are fully c-axis oriented and exhibit…

Strongly Correlated Electrons · Physics 2009-11-10 Yanwei Ma , M. Guilloux-Viry , O. Pena , C. Moure

Ordered corundum oxides introduce new prospects in the field of functional oxides thin films, complementing the more widely studied class of ABO$_3$ perovskites. In this work, we take advantage of the layer-by-layer growth regime to…

Coherent epitaxial growth allows to produce crystalline films with strained structures which are unstable in the bulk. Thereby, the relationship between the lattice parameters of the overlayer in the interface plane, $(a,b)$, and its…

Materials Science · Physics 2015-02-03 Stephan Schönecker , Manuel Richter , Klaus Koepernik , Helmut Eschrig

This work reports a pulsed laser-assisted synthesis, detailed structural characterization, and study of plasmonic properties of three sets of TiN/TiNO thin films with high electron density. The first two sets of TiN films were grown at 600C…

Autonomous science platforms which make decisions on the fly are fundamentally changing the outlook for materials development. AI-driven schemes can effectively reduce the total number of iterations needed to arrive at the best…

Chemical oxidation of multilayer graphene grown on silicon carbide yields films exhibiting reproducible characteristics, lateral uniformity, smoothness over large areas, and manageable chemical complexity, thereby opening opportunities to…

Materials Science · Physics 2014-03-20 S. Zhou , S. Kim , E. Di Gennaro , Y. Hu , C. Gong , X. Lu , C. Berger , W. de Heer , E. Riedo , Y. J. Chabal , C. Aruta , A. Bongiorno

Uniform single layer graphene was grown on single-crystal Ir films a few nanometers thick which were prepared by pulsed laser deposition on sapphire wafers. These graphene layers have a single crystallographic orientation and a very low…

Transition metal oxide heterostructures and interfaces host a variety of exciting quantum phases and can be grown with atomic-scale precision by utilising the intensity oscillations of $in$ $situ$ reflection high-energy electron diffraction…

Materials Science · Physics 2017-08-02 T. W. Zhang , Z. W. Mao , Z. B. Gu , Y. F. Nie , X. Q. Pan

Epitaxial strain provides important pathways to control the magnetic and electronic states in transition metal oxides. However, the large strain is usually accompanied by a strong reduction of the oxygen vacancy formation energy, which…

The confluence of state-of-the-art electronic-structure computations and modern synthetic materials growth techniques is proving indispensable in the search for and discovery of new functionalities in oxide thin films and heterostructures.…

Materials Science · Physics 2025-06-10 James M. Rondinelli , Nicola A. Spaldin