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We have investigated the electronic properties of epitaxial orthorhombic SrIrO3 thin-films under compressive strain. The metastable, orthorhombic SrIrO3 thin-films are synthesized on various substrates using an epi-stabilization technique.…

Strongly Correlated Electrons · Physics 2014-11-18 J. H. Gruenewald , J. Nichols , J. Terzic , G. Cao , J. W. Brill , S. S. A. Seo

TiO$_2$ and SrTiO$_3$ are well known materials in the field of photocatalysis due to their exceptional electronic structure, high chemical stability, non-toxicity and low cost. However, owing to the wide band gap, these can be utilized only…

Materials Science · Physics 2020-09-25 Manish Kumar , Pooja Basera , Shikha Saini , Saswata Bhattacharya

The growth of SrRuO$_3$ (SRO) thin film with high-crystallinity and low residual resistivity (RR) is essential to explore its intrinsic properties. Here, utilizing the adsorption-controlled growth technique, the growth condition of initial…

Materials Science · Physics 2021-12-28 Uddipta Kar , Akhilesh Kr. Singh , Song Yang , Chun-Yen Lin , Bipul Das , Chia-Hung Hsu , Wei-Li Lee

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 CeTIn5 superconductors (T=Co, Rh, or Ir) have generated great interest due to their relatively Tc's, NFL behavior, and their proximity to AF order and quantum critical points. In contrast to small changes with the T-species, electron…

Strongly Correlated Electrons · Physics 2015-05-13 C. H. Booth , E. D. Bauer , A. D. Bianchi , F. Ronning , J. D. Thompson , J. L. Sarrao , Jung Young Cho , Julia Y. Chan , C. Capan , Z. Fisk

This work reports on the synthesis of chromium (III, IV) oxides films by KrF laser-assisted CVD. Films were deposited onto sapphire substrates at room temperature by photodissociation of Cr(CO)6 in dynamic atmospheres containing oxygen and…

Materials Science · Physics 2009-11-11 P. M. Sousa , A. J. Silvestre , N. Popovici1 , O. Conde

A chemical-free technique for fabricating submicron complex oxide structures has been developed based on selective epitaxial growth. The crystallinity and hence the conductivity of the complex oxide is inhibited by amorphous SrTiO3 (STO).…

Superconductivity · Physics 2007-05-23 P. Morales , M. DiCiano , J. Y. T. Wei

Magnetism in La$_{1-x}$Sr$_x$CoO$_3$ as a function of doping is investigated with X-ray absorption spectroscopy and X-ray magnetic circular dichroism at the O K edge, and corresponding first principles electronic structure calculations. For…

Strongly Correlated Electrons · Physics 2012-10-15 S. Medling , Y. Lee , H. Zhang , J. F. Mitchell , J. W. Freeland , B. N. Harmon , F. Bridges

The 5$d$ transition metal oxides, in particular iridates, host novel electronic and magnetic phases due to the interplay between onsite Coulomb repulsion ($U$) and spin-orbit coupling (SOC). The reduced dimensionality brings another degree…

Strongly Correlated Electrons · Physics 2022-02-08 Amit Chauhan , B. R. K. Nanda

In bulk Sr$_{2}$RuO$_{4}$, the strong sensitivity of the superconducting transition temperature $T_{\text{c}}$ to nonmagnetic impurities provides robust evidence for a superconducting order parameter that changes sign around the Fermi…

The electronic structure of SrRuO$_3$ thin film with thickness from 50 to 1 unit cell (u.c.) is investigated via the resonant inelastic x-ray scattering (RIXS) technique at the O K-edge to unravel the intriguing interplay of orbital and…

In doped Hund's metals, such as the iron-based superconductors, effects like charge doping and chemical pressure are often considered the dominant factors. Partial chemical substitution, however, inevitably introduces disorder. Here, we…

Strong interplay of fundamental order parameters in complex oxides are known to give rise to exotic physical phenomena. The 4d transition metal oxide SrRhO3 has generated much interest, but advances have been hindered by difficulties in…

Strongly Correlated Electrons · Physics 2017-06-20 John Nichols , Simuck F. Yuk , Changhee Sohn , Hyoungjeen Jeen , John W. Freeland , Valentino R. Cooper , Ho Nyung Lee

A comparative study of the structural, microstructural and magnetic properties of CrO$_2$ thin films grown onto (110) and (100) TiO$_2$ rutile single crystal substrates by chemical vapor deposition (CVD), using CrO$_3$ as chromium precursor…

Materials Science · Physics 2016-11-28 A. C. Duarte , N. Franco , A. S. Viana , N. I. Polushkin , A. J. Silvestre , O. Conde

The crystallographic orientation of SrIrO3 surfaces is decisive for the occurrence of topological surface states. We show from DFT computations that (001) and (110) free surfaces have comparable energies, and, correspondingly, we…

Materials Science · Physics 2020-05-15 L. Fruchter , V. Brouet , F. Brisset , H. Moutaabbid , Y. Klein

Cr-doped ZnO films were fabricated by a new but feasible method, that is, annealing Cr-Zn layers deposited via DC magnetron sputtering in air. Microstructures of the films were investigated using X-ray diffraction, scanning electron…

Materials Science · Physics 2025-08-19 Men Guo , Gilad Orr , Paul Ben Ishai , Xia Zhao , Shlomo Glasser

Correlated electrons in transition metal oxides (TMOs) exhibit a variety of emergent phases. When TMOs are confined to a single-atomic-layer thickness, experiments so far have shown that they usually lose diverse properties and become…

The damping of La0.67Sr0.33MnO3 (LSMO) epitaxial films as a function of thickness at different temperatures was studied. The competition between two scattering types (\r{ho}-like and {\sigma}-like) with entirely distinct thickness and…

Transition metal spinel oxides comprised of Earth-abundant Mn and Co have long been explored for their use in catalytic reactions and energy storage. However, understanding of functional properties can be challenging due to differences in…

ZrO2:10%SiO2 thinfilms have been deposited on fused silica substrate by reactive electron beam co-evaporation technique at different oxygen partial pressure. The structural analysis shows tetragonal phase with residual tensile stress in the…

Materials Science · Physics 2020-09-22 S. Jena , R. B. Tokas , S. Thakur , N. K. Sahoo