English
Related papers

Related papers: Electronic properties of A2Zr2O7 (A= Gd, Nd) ceram…

200 papers

Tb2Ti2O7, a pyrochlore system, has garnered significant interest due to its intriguing structural and physical properties and their dependence on external physical parameters. In this study, utilizing high-brilliance synchrotron X-ray…

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

We have used single crystal X-ray diffraction methods to establish the crystal structures of a compound in the Pd-Mn-Si system and in the Pd-Mn-Ge system. The title compounds have structures related to the Fe$_2$P structure type and are…

Materials Science · Physics 2007-06-16 Srinivasa Thimmaiah , Claudia Felser , Ram Seshadri

{\ss}-pyrochore KOs2O6, which shows superconductivity below ~ 9.7K, has been converted into KxOs2O6 (x < 2/3 - 1/2) electrochemically to show spin glass-like behavior below ~ 6.1K. Room temperature sample surface potential versus charge…

Superconductivity · Physics 2015-05-27 C. C. Lee , W. L. Lee , J. -Y. Lin , C. C. Tsuei , J. G. Lin , F. C. Chou

The electronic properties of quasi-one-dimensional anatase TiO2 nanostructures, in the form of thin nanowires having (101) and (001) facets, have been systematically investigated using the standard, hybrid density functional and…

Mesoscale and Nanoscale Physics · Physics 2014-07-08 Hatice Unal , Oguz Gulseren , Sinasi Ellialtioglu , Ersen Mete

We investigated the electronic structures of the two-dimensional layered perovskite Sr$_{2}$\textit{M}O$_{4}$ (\textit{M}=4\textit{d} Ru, 4\textit{d} Rh, and 5\textit{d} Ir) using optical spectroscopy and polarization-dependent O…

Strongly Correlated Electrons · Physics 2009-11-11 S. J. Moon , M. W. Kim , K. W. Kim , Y. S. Lee , J. -Y. Kim , J. -H. Park , B. J. Kim , S. -J. Oh , S. Nakatsuji , Y. Maeno , I. Nagai , S. I. Ikeda , G. Cao , T. W. Noh

The complex theoretical and experimental studies of the band structure and the optical functions of the Cu2CdGeSe4 quaternary crystals are reported. The benchmark band structure calculations were performed using the first-principles…

Materials Science · Physics 2014-06-13 M. G. Brik , O. V. Parasyuk , G. L. Myronchuk , I. V. Kityk

The formation of ordered phases of dimethyl-disulfide on the Au(111) surface has been investigated by means of Low-Energy Electron Diffraction (LEED), X-ray Photoemission Spectroscopy (XPS), and state-of-the-art Density Functional Theory…

Condensed Matter · Physics 2007-05-23 V. De Renzi , D. Marchetto , R. Biagi , U. del Pennino , R. Di Felice , A. Selloni

Knowledge of the atomic geometry of a surface is a prerequisite for any detailed understanding of the surface's electronic structure and chemical properties. Previous studies have convincingly demonstrated that density functional theory…

Materials Science · Physics 2007-05-23 C. Stampfl , M. Scheffler

Compared to the widely investigated crystalline polymorphs of gallium oxide (Ga2O3), knowledge about its amorphous state is still limited. With the help of a machine-learning interatomic potential, we conducted large-scale atomistic…

Materials Science · Physics 2024-04-29 Jiahui Zhang , Junlei Zhao , Jesper Byggmästar , Erkka J. Frankberg , Antti Kuronen

The electronic structure of AlN in wurtzite and zinc-blende phases is studied experimentally and theoretically. By using x-ray emission spectroscopy, the Al 3p, Al 3s and N 2p spectral densities are obtained. The corresponding local and…

Materials Science · Physics 2007-05-23 P. Jonnard , N. Capron , F. Semond , J. Massies , E. Martinez-Guerrero , H. Mariette

The wurtzite (wz) structure of CdS is analyzed using density functional theory within the generalized gradient approximation (GGA) and Hubbard correction (GGA+U). The total energy convergence evaluation is carried out concerning energy…

Materials Science · Physics 2022-06-22 Ankan Biswas , S. R. Meher , Deepak K. Kaushik

Platinum diselenide (PtSe${_2}$) is a two-dimensional (2D) material with outstanding electronic and piezoresistive properties. The material can be grown at low temperatures in a scalable manner which makes it extremely appealing for many…

The electronic structure and structural evolution of hydrogenated graphene are investigated by Raman spectroscopy with multiple excitations. The excitation energy dependent saturation effect on the ratio of integrated intensities of D and G…

Materials Science · Physics 2010-12-06 Zhiqiang Luo , Ting Yu , Zhenhua Ni , Sanhua Lim , Jingzhi Shang , Hailong Hu , Lei Liu , Zexiang Shen , Jianyi Lin

Two-dimensional (2D) materials with puckered layer morphology are promising candidates for next-generation opto-electronics devices owing to their anisotropic response to external perturbations and wide band gap tunability with the number…

Materials Science · Physics 2021-09-14 M. Cattelan , C. J. Sayers , D. Wolverson , E. Carpene

Structural response of crystals to an applied external perturbation is important as a key for understanding microscopic origin of physical properties. Experimental investigation of structural response is a great challenge for modern…

Materials Science · Physics 2016-05-24 Semen Gorfman , Oleg Schmidt , Vladimir Tsirelson , Michael Ziolkowski , Ullrich Pietsch

Previous theoretical calculations show azetidinium has the right radial size to form a 3D perovskite with lead halides [1], and has been shown to impart, as the A-site cation of ABX3 unit, beneficial properties to ferroelectric perovskites…

A new platinate was recently discovered when Nd2O3 was explored as a platinum capture material in the Ostwald process, formed by a direct reaction between PtO2(g) and Nd2O3. The crystal structure of this new platinate and its composition,…

Quaternary chalcogenide compositions have been broadly explored due to their promising potential for various optoelectronic applications. The band structure, density of states and optical properties of CuZn2InS4 and CuZn2GaS4 for kesterite…

Materials Science · Physics 2023-12-29 Anima Ghosh , R. Thangavel

The electronic band structure of crystals is generally influenced by the periodic arrangement of their constituent atoms. Specifically, the emerging two-dimensional (2D) layered structures have shown different band structures with respect…

Materials Science · Physics 2017-01-04 Seho Yi , Jin-Ho Choi , Kimoon Lee , Sung Wng Kim , Chul Hong Park , Jun-Hyung Cho
‹ Prev 1 8 9 10 Next ›