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Complex materials encompassing different phases of matter can display new photoinduced metastable states differing from those attainable under equilibrium conditions. These states can be realized when energy is injected in the material…

Strongly Correlated Electrons · Physics 2024-06-27 Wibke Bronsch , Manuel Tuniz , Denny Puntel , Alessandro Giammarino , Fulvio Parmigiani , Yang-hao Chan , Federico Cilento

The electronic properties and the molecular orientation of Zn-tetraphenyl-porphyrin films deposited on Si(111) have been investigated using synchrotron radiation. For the first time we have revealed and assigned the fine structures in the…

The electronic band structures along with Fermi surface, anisotropy, Vickers hardness, analysis of Mulliken populations, optical and thermodynamic properties were studied for the first time. The optimized unit cell parameters are compared…

Materials Science · Physics 2018-08-22 P. Barua , M. M. Hossain , M. A. Ali , M. M. Uddin , S. H. Naqib , A. K. M. A. Islam

Li2Pd3B is known to be superconducting, while the isotypical Li2Pt3B compound is not. Electronic structures of Li2Pd3B and Li2Pt3B have been calculated in order to obtain an insight into this surprising difference, through an analysis of…

Superconductivity · Physics 2009-11-11 Sharat Chandra , S. Mathi Jaya , M. C. Valsakumar

We have performed x-ray photoemission spectroscopy on the system of noncentrosymmetric superconductor, Li$_2$(Pd$_x$Pt$_{1-x}$3)B. For Li$_2$Pt$_3$B, we found 2 major peaks with 2 other weak components, and the band calculations were in…

For analyzing quantum transport in semiconductor devices, accurate electronic structures are critical for quantitative predictions. Here we report theoretical analysis of electronic structures of all III-V zinc-blende semiconductor…

Materials Science · Physics 2015-06-15 Yin Wang , Haitao Yin , Ronggen Cao , Ferdows Zahid , Yu Zhu , Lei Liu , Jian Wang , Hong Guo

We present a combined experimental and theoretical study of the electronic structure of the intermetallic compound TiGePt by means of photoelectron spectroscopy, x-ray absorption spectroscopy and fullpotential band structure calculations.…

Strongly Correlated Electrons · Physics 2012-03-12 J. Gegner , M. Gamza , S. -V. Ackerbauer , N. Hollmann , Z. Hu , H. -H. Hsieh , H. -J. Lin , C. T. Chen , A. Ormeci , A. Leithe-Jasper , H. Rosner , Yu. Grin , L. H. Tjeng

The electronic states of isostructural single-component molecular conductors [M(tmdt)2] (M= Ni, Au, and Cu) are theoretically studied. By considering fragments of molecular orbitals as basis functions, we construct a multiorbital model…

Strongly Correlated Electrons · Physics 2013-04-17 Hitoshi Seo , Shoji Ishibashi , Yuichi Otsuka , Hidetoshi Fukuyama , Kiyoyuki Terakura

Atomically thin black phosphorus (BP) is a promising two-dimensional material for fabricating electronic and optoelectronic nano-devices with high mobility and tunable bandgap structures. However, the charge-carrier mobility in few-layer…

Using the hybrid exchange-correlation functional within the density-functional theory, we have systematically investigated the structural and electronic properties of MO (M = Be, Mg, Ca, Sr, Ba, Zn, Cd) in binary rocksalt (B1), zincblende…

Materials Science · Physics 2019-03-19 Jinying Yu , Mingke Zhang , Zihan Zhang , Shangwei Wang , Yelong Wu

Black phosphorus (BP) stands out among two-dimensional (2D) semiconductors because of its high mobility and thickness dependent direct band gap. However, the quasiparticle band structure of ultrathin BP has remained inaccessible to…

Hydrogen as a fuel plays a crucial role in driving the transition to net zero greenhouse gas emissions. To realise its potential, obtaining a means of efficient storage is paramount. One solution is using metal hydrides, owing to their good…

The electronic structures of TixZrx/2CoPbxTex, TixZrx/2Hfx/2CoPbxTex (x = 0.5), and the parent compound TiCoSb were investigated using the full potential linearized augmented plane wave method. The thermoelectric transport properties of…

Materials Science · Physics 2018-05-23 Mukesh K. Choudhary , P. Ravindran

Metal-free porphyrins can switch between hydrogen-bonded tautomers, potentially enabling reversible control in molecular electronics. However, electric field gating of porphyrin tautomerism, which is critical for device integration, has not…

Chemical Physics · Physics 2026-01-01 Yenni P. Ortiz , Arnau Cortés-Llamas , Jordi Ribas-Arino , Stefan T. Bromley

The compound-tunable embedding potential (CTEP) method is applied to study actinide substitutions in the niobate crystals YNbTiO$_6$ and CaNb$_2$O$_6$. Two one-center clusters centered on Ca and Y are built and 20 substitutions of Ca and Y…

Materials Science · Physics 2023-11-01 D. A. Maltsev , Yu. V. Lomachuk , V. M. Shakhova , N. S. Mosyagin , D. O. Kozina , A. V. Titov

Recently, the two dimensional (2D) materials have become a potential candidates for various technological applications in spintronics and optoelectronics. In the present study, the structural, electronic, and phase stability of 2D layered…

We report LDA calculated band structure, densities of states and Fermi surfaces for recently discovered Pt-pnictide superconductors APt3P (A=Ca,Sr,La), confirming their multiple band nature. Electronic structure is essentially three…

Superconductivity · Physics 2015-03-20 I. A. Nekrasov , M. V. Sadovskii

Using angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT), an experimental and theoretical study of changes in the electronic structure (dispersion dependencies) and corresponding modification of the energy…

Morphotropic phase boundaries (MPBs) show substantial piezoelectric and dielectric responses, which have practical applications. The predicted existence of MPB in HfO2-ZrO2 solid solution thin film has provided a new way to increase the…

Materials Science · Physics 2021-07-28 Alireza Kashir , Hyunsang Hwang

Obtaining accurate band structures of correlated solids has been one of the most important and challenging problems in first-principles electronic structure calculation. There have been promising recent active developments of wave function…

Strongly Correlated Electrons · Physics 2017-01-13 Masayuki Ochi , Ryotaro Arita , Shinji Tsuneyuki