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

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This study investigates the novelty of the crystalline and electronic structure of (Mg,Ti)-doped ZnO and the co-doped Zn1-x-yMgxTiyO structures using Gaussian and plane-wave basis sets, as implemented in the CP2K code. The goal of…

材料科学 · 物理学 2025-03-05 Sidi Ahmedbowba , Fehmi Khadri , Walid Ouerghui , Said Ridene

Na$_{0.5}$(Bi$_3$/4RE$_{1/4}$)$_{0.5}$TiO$_3$ (RENBT, RE = Nd, Gd, Dy, and Ho) compounds were investigated in the framework of first-principles calculations using the full potential linearized augmented plane wave (FP-LAPW) method based on…

We propose a new method for accurately calculating electrical transport properties of a lightly-doped thermoelectric material from density functional theory (DFT) calculations, based on experimental data and density functional theory…

材料科学 · 物理学 2014-01-14 Alireza Faghaninia , Cynthia S. Lo

Using density functional theory (DFT), this work explores barium zirconate doped with nitrogen. In addition, we used density functional theory (DFT) to study the BaZrO$_3$'s electrical, optical, and structural properties, and we found that…

材料科学 · 物理学 2024-06-11 Iftkhar Ahmad

In this work we use density functional theory (DFT) to investigate the influence of semi-local exchange and correlation effects on the electronic and optical properties of zinc oxide. We find that the inclusion of such effects using the…

材料科学 · 物理学 2019-05-01 R. M. V. S. Almeida , A. L. da Rosa , J. S. de Almeida

In transition metal doped ZnO, the energy position of dopant 3$d$ states relative to host conduction and valence bands is crucial in determining the possibilty of long range ferromagnetism. Density functional theory based estimates of the…

材料科学 · 物理学 2013-07-12 I. Abdolhosseini Sarsari , C. D. Pemmaraju , H. Salamati , S. Sanvito

In light of recent advancements in energy technology, there is an urgent need for lead-free barium titanate (BTO) -based materials that exhibit remarkable ferroelectric and photoelectric properties. Notwithstanding the considerable…

材料科学 · 物理学 2024-12-30 Zheng Kang , Mei Wu , Yiyu Feng , Jiahao Li , Jieming Zhang , Haiyi Tian , Ancheng Wang , Yunkai Wu , Xu Wang

The hole-doped NdNiO$_2$ layer deposited on the SrTiO$_{3}$ surface exhibits unconventional superconductivity. Here, we present a systematic study of the electronic and magnetic properties of the NdNiO$_2$ superconductor using the density…

材料科学 · 物理学 2025-12-24 Sajid Sekh , Andrzej Ptok , Wojciech Brzezicki , Przemysław Piekarz , Andrzej M. Oleś

We present a comprehensive study on the structure and optical properties of Mn-and Co-doped ZnO samples prepared via solid-state reaction method with different dopant concentrations and atmospheres. The samples were structural and…

Rare-earth trihydrides ($R$H$_3$) exhibit intriguing coupled electronic and structural properties as a function of doping, hydrogen vacancies, and thermodynamic conditions. Theoretical studies of these materials typically rely on density…

强关联电子 · 物理学 2024-10-07 Adam Denchfield , Hyeondeok Shin , Panchapakesan Ganesh , Russell J Hemley , Hyowon Park

By means of first-principles density-functional theory (DFT) calculations, we perform a comparative analysis of the electronic and magnetic properties of transition metal-doped TiO$_2$. The electronic band gaps of Ti$_x$M$_{1-x}$O$_2$,…

材料科学 · 物理学 2026-01-26 Vikash Mishra , Shashi Pandey , Swaroop Ganguly , Alok Shukla

In this work, electronic structure of several doped TiO$_2$ anatase systems is computed using DFT+$U$. Effective masses of charge carriers are also computed to quantify how the dopant atoms perturb the bands of the host anatase material.…

材料科学 · 物理学 2022-08-19 Abhishek Raghav , Kenta Hongo , Ryo Maezono , Emila Panda

In this work, the structural, optical, and electronic properties of rare-earth perovskites of the general formula RCrO3, where R represents the rare-earth Gd, Tb, Dy, Ho, Er, and Tm, have been studied in detail. These compounds were…

材料科学 · 物理学 2022-04-27 Jianhang Shi , Gayanath W. Fernando , Yanliu Dang , Steven L. Suib , Menka Jain

We investigate the effect of basal-plane stacking faults on the structural, electronic, and polarization properties of wurtzite GaN and ZnO. This theoretical study is performed within density-functional theory (DFT) using periodic hexagonal…

In this article, we examine the structure and the electronic, optical, and magnetic properties of ZnTe before and after doping with the transition metal Mn. The ab initio calculations of this compound were performed using the full potential…

材料科学 · 物理学 2023-10-24 A. Brach , L. Bahmad , S. Benyoussef

The stability, electronic structure, optical and thermoelectric properties of Te-doped BaTiO3 are investigated by first-principal calculation based on the density functional theory and Boltzmann transport theory implemented in WIEN2K and…

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

Point defects in Ga- and Al-doped ZnO thin films are studied by means of first principles electronic structure calculations. Candidate defects are identified to explain recently observed differences in electrical and spectroscopical…

材料科学 · 物理学 2016-10-06 E. Menéndez-Proupin , P. Palacios , P. Wahnón

Rare-earth tritellurides (RTe3) are popular for their charge density wave (CDW) phase, magnetotransport properties and pressure induced superconducting state among other features. In this literature, Density functional theory has been…

材料科学 · 物理学 2024-09-12 Tanbin Chowdhury , B. Rahman Rano , Ishtiaque M. Syed , S. H. Naqib

The structural parameters and electronic structure of rare-earth pnictides are calculated using density functional theory (DFT) with the Heyd, Scuseria, and Ernzerhof (HSE06) screened hybrid functional. We focus on RE-V compounds, with…

材料科学 · 物理学 2020-03-18 Shoaib Khalid , Abhishek Sharan , Anderson Janotti

Undoped and Mn doped ZnO samples with different percentage of Mn content (1 mol%, 2 mol% and 3mol%) were synthesized by a simple solvo-thermal method. We have studied the structural, chemical and optical properties of the samples by using…

材料科学 · 物理学 2007-09-26 K. Rajendran , S. Banerjee , S. Senthilkumaar , T. K. Chini , V. Sengodan
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