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Related papers: Ba_{2}TeO as an optoelectronic material: First-pri…

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Although $\beta$-TeO$_2$ is a promising $p$-type transparent conducting oxide (TCO) due to the large optical gap ($\sim$ 3.7 eV) and a light effective hole mass, its hole dopability still remains unexplored. In this work, electronic…

Materials Science · Physics 2025-11-20 Vu Thi Ngoc Huyen , Soungmin Bae , Rafael Costa-Amaral , Yu Kumagai

Two-dimensional (2D) $\beta$-TeO$_2$ has gained attention as a promising material for optoelectronic and power device applications, thanks to its transparency and high hole mobility. However, the underlying mechanism behind its $p$-type…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 Rafael Costa-Amaral , Soungmin Bae , Vu Thi Ngoc Huyen , Yu Kumagai

The electronic structure of crystalline CdTe, CdO, $\alpha$-TeO$_2$, CdTeO$_3$ and Cd$_3$TeO$_6$ is studied by means of first principles calculations. The band structure, total and partial density of states, and charge densities are…

Materials Science · Physics 2009-11-10 Eduardo Ariel Menendez Proupin , Gonzalo Gutierrez , Ernesto Palmero , J. L. Peña

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…

Materials Science · Physics 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

In this work, the electronic and optical properties of a Nitrogen (N) or a Boron (B) doped BeO monolayer are investigated in the framework of density functional theory. It is known that the band gap of a BeO monolayer is large leading to…

Wide-bandgap two-dimensional (2D) beta-TeO2 has been reported as a high-mobility p-type transparent semiconductor (Nat. Electron. 2021, 4, 277-283), attracting significant attention. This "breakthrough" not only challenges the conventional…

Materials Science · Physics 2024-12-30 Zewen Xiao , Chen Qiu , Su-Huai Wei , Hideo Hosono

BaTiO3 is typically a strong n-type material with tuneable optoelectronic properties via doping and controlling the synthesis conditions. It has a wide band gap that can only harness the ultraviolet region of the solar spectrum. Despite…

We report calculations of the electronic structure and optical properties of doped $n$-type perovskite BaSnO3 and layered perovskites. While doped BaSnO$_3$ retains its transparency for energies below the valence to conduction band onset,…

Materials Science · Physics 2015-02-03 Yuwei Li , Lijun Zhang , Yanming Ma , David J. Singh

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…

Materials Science · Physics 2015-03-17 G. Murtaza , Iftikhar Ahmad , B. Amin , J. Maqssod , A. Afaq , M. Maqbool , I. Khan , M. Zahid

The development of industrial growth raises global energy demand. Novel materials with promising unorthodox features satiate and demand for sustainable, non-toxic, and cost-effective energy. A first-principles investigation were carried out…

Materials Science · Physics 2025-01-15 G. Thamizharasan , R. D. Eithiraj

The temperature dependence of the complex optical properties of the three-dimensional topological insulator Bi2Te2Se is reported for light polarized in the a-b planes at ambient pressure, as well as the effects of pressure at room…

We have carried out optical-absorption and reflectance measurements at room temperature in single crystals of AWO4 tungstates (A = Ba, Ca, Cd, Cu, Pb, Sr, and Zn). From the experimental results their band-gap energy has been determined to…

Materials Science · Physics 2009-11-13 R. Lacomba-Perales , J. Ruiz-Fuertes , D. Errandonea , D. Martinez-Garcia , A. Segura

We measured the in-plane optical conductivity of a nearly optimally doped (Ba,K)Fe2As2 single crystal with Tc = 39.1 K. Upon entering the superconducting state the optical conductivity below ~20 meV vanishes, strongly suggesting a fully…

Superconductivity · Physics 2015-01-09 Y. M. Dai , B. Xu , B. Shen , H. H. Wen , X. G. Qiu , R. P. S. M. Lobo

In the present study we have investigated the structural properties, electronic band dispersion, elastic constants, acoustic behavior, phonon spectrum, optical properties, and a number of thermophysical parameters of binary topological…

Materials Science · Physics 2022-01-04 M. I. Naher , S. H. Naqib

Rutile GeO$_2$ is a visible and near-ultraviolet-transparent oxide that has not been explored for semiconducting applications in electronic and optoelectronic devices. We investigate the electronic and optical properties of rutile GeO$_2$…

Materials Science · Physics 2019-08-27 Kelsey A. Mengle , Sieun Chae , Emmanouil Kioupakis

Electronic structures and optical properties of C-N-codoped anatase TiO2 were calculated by using GGA+U method based on the density functional theory. The calculated results showed that the N-doped, C-doped, and C-N-codoped TiO2 produced 2p…

Materials Science · Physics 2015-08-10 Meili Guo , Jiulin Du

Many semiconductors present weak or forbidden transitions at their fundamental band gaps, inducing a widened region of transparency. This occurs in high-performing n-type transparent conductors (TCs) such as Sn-doped In2O3 (ITO), however…

The significance of p-type transparent oxide semiconductors (TOS) in the semiconductor industry is paramount, driving advancements in optoelectronic technologies for transparent electronic devices with unique properties. The recent…

Materials Science · Physics 2025-01-22 Zewen Xiao

Band structure and optical properties of defect- Chalcopyrite type semiconductor ZnIn$_2$Te$_4$ have been studied by TB-LMTO first principle technique. The optical absorption calculation suggest that ZnIn$_2$Te$_4$ is a direct-gap…

Composite oxides have been indeed proved to be valuable materials in optoelectronic applications. The combination of indium oxide and gallium oxide and other materials can lead to enhanced optical and electronic properties, making them…

Materials Science · Physics 2024-03-20 Chrislene Lionel , Shubham Das , Diparnab Banik , S. Koley
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