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Related papers: Bonding Structures of ZrHx Thin Films by X-ray Spe…

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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

The chemical bonding in an epitaxial ZrB2 film is investigated by Zr K-edge (1s) X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectroscopies and compared to the ZrB2 compound target from…

Materials Science · Physics 2018-01-29 Martin Magnuson , Lina Tengdelius , Grzegorz Greczynski , Lars Hultman , Hans Högberg

The electronic structure, chemical bonding and interface component in ZrN-AlN nanocomposites formed by phase separation during thin film deposition of metastable Zr1-xAlxN (x=0.0, 0.12, 0.26, 0.40) is investigated by resonant inelastic…

Materials Science · Physics 2020-03-19 Martin Magnuson , Weine Olovsson , Naureen Ghafoor , Magnus Odén , Lars Hultman

Zinc-iridium oxide (Zn-Ir-O) thin films have been demonstrated as a p-type conducting material. However, the stability of p-type conductivity with respect to chemical composition or temperature is still unclear. In this study we discuss the…

We investigate the amorphous structure, chemical bonding, and electrical properties of magnetron sputtered Fe1-xCx (0.21<x<0.72) thin films. X-ray, electron diffraction and transmission electron microscopy show that the Fe1-xCx films are…

Materials Science · Physics 2015-01-09 Andrej Furlan , Ulf Jansson , Jun Lu , Lars Hultman , Martin Magnuson

We have studied zirconia films on a Rh(111) substrate with thicknesses in the range of 2-10 monolayers (ML) using scanning tunneling microscopy (STM) and low-energy electron diffraction (LEED). Zirconia was deposited using a UHV-compatible…

Materials Science · Physics 2018-12-05 Peter Lackner , Zhiyu Zou , Sabrina Mayr , Joong-Il Jake Choi , Ulrike Diebold , Michael Schmid

Doped HfO2 and HfO2-ZrO2 compounds are gaining significant interest thanks to their ferroelectric properties in ultrathin films. Here, we show that ZrO2 could be a playground for doping and strain engineering to increase the thickness in…

Materials Science · Physics 2022-09-01 Ali El Boutaybi , Thomas Maroutian , Ludovic Largeau , Sylvia Matzen , Philippe Lecoeur

The paper presents the first-principle calculation of the electron-phonon coupling and the temperature dependence of the intrinsic electrical resistivity of the zirconium-hydrogen system with various hydrogen concentrations. The nature of…

Materials Science · Physics 2019-05-30 Qicheng Tang , L. A. Svyatkin , I. P. Chernov

A detailed high pressure investigation is carried out using x-ray diffraction, Raman spectroscopy and low temperature resistivity measurements on hexagonal ZrSe$_{2}$ having an excess of 3 at.\% Zr. Structural studies show that the sample…

Strongly Correlated Electrons · Physics 2022-09-21 Bishnupada Ghosh , Mrinmay Sahu , Debabrata Samanta , Pinku Saha , Anshuman Mandal , Goutam Dev Mukherjee

This study combines surface-sensitive photoemission experiments with density functional theory (DFT) to give a microscopic description of H adsorption-induced modifications of the ZnO(10${\overline{1}}$0) surface electronic structure. We…

Materials Science · Physics 2015-06-23 J. -C. Deinert , O. T. Hofmann , M. Meyer , P. Rinke , J. Stähler

Extended X-ray absorption fine structure (EXAFS) experiments at the Zr K-edge were carried out on perovskite relaxor ferroelectrics BaTi(1-x)Zr(x)O3 (BTZ) (x = 0.25, 0.30, 0.35), and on BaZrO3 for comparison. Structural information up to…

Materials Science · Physics 2009-11-11 C. Laulhe , F. Hippert , J. Kreisel , M. Maglione , A. Simon , J. L. Hazemann , V. Nassif

Using projector augmented wave approach within the generalized gradient approximation, we have studied the structural property and electronic structure of ZrB12. The calculated lattice constants and bulk modulus are in good agreement with…

Materials Science · Physics 2007-05-23 Z. F. Hou

The electronic structure and chemical bonding of Beta-Ta synthesized as a thin 001-oriented film (space group P421m) is investigated by 4f core level and valence band X-ray photoelectron spectroscopy and compared to alfa-Ta bulk. For the…

Materials Science · Physics 2018-11-27 Martin Magnuson , Grzegorz Greczynski , Fredrik Eriksson , Lars Hultman , Hans Högberg

We studied ZrO2-La2/3Sr1/3MnO3 pillar matrix thin films which were found to show anomalous magnetic and electron transport properties controlled by the amount of ZrO2. With the application of an aberration corrected transmission electron…

Zirconium hydride is an important material for storage of hydrogen isotopes. Here we report the structural, electronic, vibrational and thermodynamic properties of ZrH2, ZrD2 and ZrT2 using density functional theory (DFT). The structural…

Materials Science · Physics 2013-05-28 D. Chattaraj , S. C. Parida , Smruti Dash , C. Majumder

Boron carbide thin films of different thicknesses deposited by ion beam sputtering were studied. The deposited films were characterized by grazing incidence hard x-ray reflectivity (GIXR), resonant soft x-ray reflectivity (RSXR), x-ray…

Materials Science · Physics 2017-08-25 P. N. Rao , R. K. Gupta , K. Saravanan , A. Bose , S. C. Joshi , T. Ganguli , S. K. Rai

Despite a considerable effort aiming at elucidating the nature of ferromagnetism in ZnO-based magnetic semiconductor, its origin still remains debatable. Although the observation of above room temperature ferromagnetism has been reported…

Materials Science · Physics 2009-05-01 M. Tay , Y. H. Wu , G. C. Han , Y. B. Chen , X. P. Pan , S. J. Wang , P. Yang , Y. P. Feng

Thin film metallic glasses undergoing devitrification can form partially crystallized or fully crystallized materials with novel structural and magnetic properties. The development of desired and tunable properties of such systems drives…

Materials Science · Physics 2022-10-20 Debarati Bhattacharya , Nidhi Tiwari , P. S. R. Krishna , Dibyendu Bhattacharyya

The local structure and chemical bonding in two-phase amorphous Cr$_{1-x}$C$_{x}$ nanocomposite thin films are investigated by Cr $K$-edge ($1s$) X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure…

Materials Science · Physics 2016-11-28 Weine Olovsson , Björn Alling , Martin Magnuson

A modified model of metal-semiconductor contacts is applied to analyze the capacitance-voltage and current-voltage characteristics of metal-ferroelectric-metal structures. The ferroelectric polarization is considered as a sheet of surface…

Materials Science · Physics 2007-05-23 L. Pintiliea , I. Boerasu , M. J. M. Gomes , T. Zhao , R. Ramesh , M. Alexe
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