中文
相关论文

相关论文: Electronic structure of barium titanate : an abini…

200 篇论文

The interface electronic structure of correlated LaTiO$_3$/SrTiO$_3$ superlattices is investigated by means of the charge self-consistent combination of the local density approximation (LDA) to density functional theory (DFT) with dynamical…

强关联电子 · 物理学 2013-06-07 Frank Lechermann , Lewin Boehnke , Daniel Grieger

Potassium 1,1$'$-dinitroamino-5,5$'$ bistetrazolate (K$_2$DNABT) is a nitrogen rich (50.3 $\%$ by weight, \ce{K2C2N12O4}) green primary explosive with high performance characteristics namely velocity of detonation (D = 8.33 km/s),…

材料科学 · 物理学 2015-10-08 N. Yedukondalu , G. Vaitheeswaran

We present density functional theory calculations on the crystal structure, equation of state, vibrational properties and electronic structure of nitrogen-rich solid energetic material guanidinium 2-methyl-5-nitraminotetrazolate (G-MNAT).…

材料科学 · 物理学 2015-06-18 K. Ramesh Babu , G. Vaitheeswaran

In this research paper, we investigated the structural, electronic, and magnetic features of titanium atom substituting calciumatom in rock salt structure of CaS to explore the new dilute magnetic semiconductor compounds. The calculations…

材料科学 · 物理学 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

Heterogeneous interfaces are central to many energy-related applications in the nanoscale. From the first-principles electronic structure perspective, one of the outstanding problems is accurately and efficiently calculating how the…

材料科学 · 物理学 2023-08-29 Zhen-Fei Liu

Structural, elastic and electronic band structure properties of A-15 type Nb-based intermetallic compounds Nb3B (B = Os, Pt, Au) have been revisited using first principles calculations based on the density functional theory (DFT). All these…

材料科学 · 物理学 2018-12-05 M. I. Naher , F. Parvin , A. K. M. A. Islam , S. H. Naqib

We present a comprehensive first-principles study of the electronic structure of 51 semiconducting monolayer transition metal dichalcogenides and -oxides in the 2H and 1T hexagonal phases. The quasiparticle (QP) band structures with…

材料科学 · 物理学 2015-06-10 Filip Anselm Rasmussen , Kristian Sommer Thygesen

First principles study of structural, elastic, and electronic properties of the cubic perovskitetype BaHfO$_3$ has been performed using the plane wave ultrasoft pseudo-potential method based on density functional theory with revised…

材料科学 · 物理学 2008-09-23 Hongsheng Zhao , Aimin Chang , Yunlan Wang

The discovery and design of new materials which can efficiently catalyze the oxygen reduction and evolution reactions at reduced temperatures is important for facilitating the widespread adoption of fuel cell and electrolyzer technologies.…

材料科学 · 物理学 2023-10-30 Ryan Jacobs , Jian Liu , Harry Abernathy , Dane Morgan

We report on the investigation of the atomic and electronic structures of a clean Si(331)-(12$\times$1) surface using a first-principles approach with both plane wave and strictly localized basis sets. Starting from the surface structure…

材料科学 · 物理学 2018-12-31 Ruslan Zhachuk , José Coutinho , Krisztián Palotás

Structural and optoelectronic properties of BaThO3 cubic perovskite are calculated using all electrons full potential linearized augmented plane wave (FP-LAPW) method. Wide and direct band gap, 5.7 eV, of the compound predicts that it can…

材料科学 · 物理学 2015-03-17 G. Murtaza , Iftikhar Ahmad , B. Amin , J. Maqssod , A. Afaq , M. Maqbool , I. Khan , M. Zahid

Layered indium selenides ($In_{2}Se_{3}$) have recently been discovered to host robust out-of-plane and in-plane ferroelectricity in the $\alpha$ and $\beta$' phases, respectively. In this work, we utilise angle-resolved photoelectron…

Based on crystal chemistry rationale and calculations within the density functional theory DFT, the U:B system is complemented with additional binary compounds UB3, U2B6, and UB6 possessing two-dimensional 2D and 3D boron substructures.…

材料科学 · 物理学 2020-02-18 Samir F. Matar

Thermoelectric materials with a high figure of merit (ZT) are highly demanded for a sustainable solution to the energy crisis. In this study, we have predicted three new double perovskite oxides (DPOs), Ba2GaXO6 (X = V, Nb, Ta), with high…

材料科学 · 物理学 2025-11-04 S. S. Saif , M. M. Hossain , M. A. Ali

First-principles calculations were performed to investigate the electronic structure of two-dimensional (2-D) Ge, Sn, and Pb without and with the presence of an external electric field in combination with spin-orbit coupling. Tight-binding…

We build a theoretical model for the electronic properties of the two-dimensional (2D) electron gas that forms at the interface between insulating SrTiO$_3$ and a number of polar cap layers, including LaTiO$_3$, LaAlO$_3$, and GdTiO$_3$.…

强关联电子 · 物理学 2017-02-13 Amany Raslan , Patrick Lafleur , W. A. Atkinson

The band structure and electronic properties in a series of vinylene-linked heterocyclic conducting polymers are investigated using density functional theory (DFT). In order to accurately calculate electronic band gaps, we utilize hybrid…

材料科学 · 物理学 2015-03-13 Bryan M. Wong , Joseph G. Cordaro

Low-dimensional electron systems often show a delicate interplay between electron-phonon and electron-electron interactions, giving rise to interesting quantum phases such as the charge density wave (CDW) and magnetism. Using the…

材料科学 · 物理学 2017-12-20 Yoon-Gu Kang , Sun-Woo Kim , Jun-Hyung Cho

Halide double perovskites are an emerging class of semiconductors with tremendous chemical and electronic diversity. While their bandstructure features can be understood from frontier-orbital models, chemical intuition for optical…

材料科学 · 物理学 2023-09-04 Raisa-Ioana Biega , Yinan Chen , Marina R. Filip , Linn Leppert

Physics based numerical simulation has been carried out to probe the sub-gap density of states (DOS) and underlying electron transport properties of amorphous oxide based thin film transistors (TFTs). The DOS model of TFTs consists of…

应用物理 · 物理学 2024-02-15 D. Saha , Sachin Kulkarni