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相关论文: DFT study of rare earth (Tm, Yb, Ce) doped ZnO: st…

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Thermoelectric performance of SnTe has been found to enhance with isovalent doping of alkaline and transition metal elements where most of these elements have solubility of less than 13%. We propose a strategy of doping rare earth element…

材料科学 · 物理学 2022-12-26 Somnath Acharya , Dibyendu Dey , Tulika Maitra , Ajay Soni , A. Taraphder

The present theoretical study focuses on the structural, electronic and thermoelectric properties of PbTe, PbSe and their ternary alloys PbSe$_{x}$Te$_{1-x}$, using the density functional theory (DFT) by the full potential linearised…

材料科学 · 物理学 2025-12-29 M. Kaid Slimane , B. N. Brahmi , M. Bouchenaki , S. Bekhechi

Doping and strain dependences of the electronic structure of the CuO6-octahedra layer within LDA+GTB method in the frameworks of six-band p-d model are calculated. Band structure and Fermi surface of the quasiparticle excitations in the…

We investigate the electronic structure of highly conducting perovskite SrMoO$_{3}$ using valence band photoemission spectroscopy and electronic structure calculations. Large intensity corresponding to coherent feature close to Fermi level…

强关联电子 · 物理学 2023-01-24 Asif Ali , B. H. Reddy , Ravi Shankar Singh

The ab initio computational method known as Hubbard-corrected density functional theory (DFT+$U$) captures well ground electronic structures of a set of solids that are poorly described by standard DFT alone. Since lattice dynamical…

材料科学 · 物理学 2025-06-17 Wooil Yang , Sabyasachi Tiwari , Feliciano Giustino , Young-Woo Son

The electronic, structural, optical, and thermoelectric properties of the Cs2O cubic structure have been investigated using density functional theory (DFT). The calculations utilize a full relativistic version of the full-potential…

材料科学 · 物理学 2024-06-11 Anjali Kumari , Kamal Kumar , Abhishek Kumar Mishra , Ramesh Sharma

Density functional theory is used to investigate the effect of biaxial strain on the structural, electronic and magnetic properties of [111]-oriented NdNiO$_3$, as a representative of the rare-earth perovskites that undergo…

材料科学 · 物理学 2025-07-29 Alexander Lione , Jorge Íñiguez-González , Nicholas C. Bristowe

Density functional theory (DFT) calculations are carried out to study the structure and electronic structure of amorphous zinc oxide (a-ZnO). The models were prepared by the "melt-quench" method. The models are chemically ordered with some…

材料科学 · 物理学 2016-12-21 Anup Pandey , Heath Scherich , D. A. Drabold

We study the electronic band-structure and transport properties of a CuO2-plane within the three-band Hubbard model. The Dynamical Mean-Field Theory (DMFT) is used to solve the many particle problem. The calculations show that the optical…

强关联电子 · 物理学 2007-05-23 M. B. Zoelfl , Th. Maier , Th. Pruschke , J. Keller

The chemical ordering, electrical, optical, and magnetic properties of $Na_{0.5}Bi_{0.5}TiO_{3}$ (NBT) and 25$\%$ dysprosium doped NBT (DyNBT) were investigated in the framework of first-principles calculations using the full potential…

We have investigated the electronic structure and the Fermi surface of SnO using density functional theory (DFT) calculations within recently proposed exchange-correlation potential (PBE+mBJ) at ambient conditions and high pressures up to…

材料科学 · 物理学 2015-05-28 J. A. McLeod , A. V. Lukoyanov , E. Z. Kurmaev , L. D. Finkelstein , A. Moewes

In this paper, electrical and electronic properties of strained mono-layer InTe for two structures, $\alpha$, and $\beta$ phases, is investigated. The band structure is obtained using density functional theory (DFT). The minimum energy and…

介观与纳米尺度物理 · 物理学 2019-05-14 Shoeib Babaee Touski , Mohammad Ariapour , Manouchehr Hosseini

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…

材料科学 · 物理学 2019-03-19 Jinying Yu , Mingke Zhang , Zihan Zhang , Shangwei Wang , Yelong Wu

These brief comments on the article in Phys. Rev. B 93, 155116 (2016), address an inadvertent misrepresentation of the capabilities of density functional theory (DFT) and of its local density approximation (LDA) in describing electronic and…

材料科学 · 物理学 2016-10-18 Diola Bagayoko , Yacouba Issa Diakité , Chinedu E. Ekuma , Lashounda Franklin

We present a Density Functional Theory (DFT) study of the structural and electronic properties of bare rutile VO$_{2}$(110) surfaces and its oxygen-rich terminations. We discuss the performance of various DFT functionals, including PBE,…

材料科学 · 物理学 2021-08-31 Jakub Planer , Florian Mittendorfer , Josef Redinger

It has been demonstrated in previous experimental and computational work that doping CeO2 with transition metals is an effective way of tuning its properties. However, each previous study on CeO2 doping has been limited to a single or a few…

材料科学 · 物理学 2020-12-14 Zhao Liua , Hongyang Ma , Charles C. Sorrell , Pramod Koshy , Judy N. Hart

Using density functional theory plus self-consistent Hubbard $U$ (DFT$+U_{sc}$) calculations, we have investigated the structural and electronic properties of the rare-earth cobaltites \textit{R}CoO$_3$ (\textit{R} = Pr -- Lu). Our…

强关联电子 · 物理学 2016-07-27 M. Topsakal , C. Leighton , R. M. Wentzcovitch

We present a first--principles density functional theory (DFT) study of transition metal (TM = Ti, Cr, Mn, Fe, Co, Ni) functionalized two--dimensional polyaramid (2DPA) to explore their structural, electronic, and magnetic properties.…

As the dielectric film thickness shrinks to ~10 nm, some traditional wurtzite piezoelectric materials demonstrate ferroelectricity through element doping. Among them, Sc doped AlN and Mg doped ZnO are the most famous examples. While it is…

材料科学 · 物理学 2025-01-08 Zijian Zhou , Kan-Hao Xue , Jinhai Huang , Heng Yu , Shengxin Yang , Shujuan Liu , Yiqun Wang , Xiangshui Miao

We use density functional theory (DFT) with non-empirically tuned screened range-separated hybrid (SRSH) functionals to calculate the electronic properties of native zinc and oxygen vacancy point defects in ZnO, and we predict their defect…

材料科学 · 物理学 2025-04-21 Sijia Ke , Stephen E. Gant , Leeor Kronik , Jeffrey B. Neaton