English
Related papers

Related papers: Comprehensive structural and optical analysis of d…

200 papers

In$_2$Se$_3$ in the three-dimensional (3D) hexagonal crystal structure with space group $P6_1$ ($\gamma$-In$_2$Se$_3$) has a direct band gap of $\sim$1.8 eV and high absorption coefficient, making it a promising semiconductor material for…

Materials Science · Physics 2020-09-30 Wei Li , Xuefen Cai , Nicholas Valdes , Tianshi Wang , William Shafarman , Su-Huai Wei , Anderson Janotti

The investigation of the penetration depth \lambda_{ab}(T,p) in YBa_2Cu_3O_{7-x} crystals allowed to observe the following features of the superfluid density n_s(T,p)\propto \lambda_{ab}^{-2}(T,p) as a function of temperature T<Tc/2 and…

Superconductivity · Physics 2007-05-23 M. R. Trunin , Yu. A. Nefyodov , A. F. Shevchun

Elastic and structural properties of $\beta$-Ga$_2$O$_3$ and $\alpha$-Ga$_2$O$_3$ are investigated from first principles. The full elastic tensors and elastic moduli of both phases at $0$ K are computed in the framework of semi-local…

Materials Science · Physics 2022-01-04 Konstantin Lion , Pasquale Pavone , Claudia Draxl

Using first-principles density functional theory calculations, we investigate a family of stable two-dimensional crystals with chemical formula $A_2B_2$, where $A$ and $B$ belong to groups IV and V, respectively ($A$ = C, Si, Ge, Sn, Pb;…

Materials Science · Physics 2018-08-01 B. Ozdamar , G. Ozbal , M. N. Cinar , K. Sevim , G. Kurt , B. Kaya , H. Sevincli

Ta films with tetragonal crystalline structure (beta-phase), deposited by magnetron sputtering on different substrates (steel, silicon and silicon dioxide), have been studied. In all cases, very highly preferred (001) orientation was…

Materials Science · Physics 2009-11-10 Aiqin Jiang , Trevor A. Tyson , Lisa Axe , Leszek Gladczuk , Marek Sosnowski , Paul Cote

Recent research in ultrawide-bandgap (UWBG) semiconductors has focused on traditional materials such as Ga2O3, AlGaN, AlN, cubic BN, and diamond; however some materials exhibiting single perovskite structure have been known to yield…

Materials Science · Physics 2021-02-03 Radi A. Jishi , Robert J. Appleton , David M. Guzman

We report a comprehensive Cu L$_3$-edge resonant x-ray scattering study of two- and three-dimensional (2D and 3D) incommensurate charge correlations in single crystals of the underdoped high-temperature superconductor…

We provide theoretical consideration of intersubband transitions designed in the ultrawide bandgap Aluminum Gallium Oxide ((AlxGa1-x)2O3)/Gallium Oxide (Ga2O3)) quantum well system. Conventional material systems have matured into successful…

Optics · Physics 2020-05-12 Joseph E. Lyman , Sriram Krishnamoorthy

We report on a theoretical study of the electronic structures of InSb and GaSb nanowires oriented along the [001] and [111] crystallographic directions. The nanowires are described by atomistic, spin-orbit inteaction included, tight-binding…

Mesoscale and Nanoscale Physics · Physics 2015-09-08 Gaohua Liao , Ning Luo , Zhihu Yang , Keqiu Chen , H. Q. Xu

Weyl semimetals have a variety of intriguing physical properties, including topologically protected electronic states that coexist with conducting states. Possible exploitation of topologically protected states in a conducting material is…

Strongly Correlated Electrons · Physics 2025-06-06 Liam J. Scanlon , Santosh Bhusal , Christina M. Hoffmann , Junhong He , Sean R. Parkin , Brennan J. Arnold , William J. Gannon

Bragg coherent X-ray diffraction imaging (BCDI) allows the three-dimensional (3D) measurement of lattice strain along the scattering vector for specific microcrystals. If at least three linearly independent reflections are measured, the 3D…

This work proposes an innovative approach to improve Bragg coherent diffraction imaging (BCDI) microscopy applied to time evolving crystals and/or non-homogeneous crystalline strain fields, identified as two major limitations of BCDI…

Optics · Physics 2024-03-12 I. Calvo-Almazán , V. Chamard , T. Grünewald , M. Allain

We show in this article the improvements which can be obtained in the description of the luminescence properties of Pr3+ doped materials by using an extension of the Judd-Ofelt theory in order to relax some strong selection rules and…

Atomic Physics · Physics 2026-04-24 Maxence Lepers , G. Hovhannesyan , Y. Guyot , R. Moncorgé , M. Velazquez

Currently, Fe doping in the ~10^18 cm-3 range is the most widely-available method for producing semi-insulating single crystalline beta-Ga2O3 substrates. Red luminescence features have been reported from multiple types of Ga2O3 samples…

Materials Science · Physics 2020-08-26 Rujun Sun , Yu Kee Ooi , Peter T. Dickens , Kelvin G. Lynn , Michael A. Scarpulla

Polarized and unpolarized neutron scattering has been used to determine the effect of superconductivity on the magnetic excitation spectra of YBa_2 Cu_3 O_{6.5} (T_c = 52K) and YBa_2 Cu_3 O_{6.7} (T_c = 67K). Pronounced enhancements of the…

Superconductivity · Physics 2009-10-28 H. F. Fong , B. Keimer , D. L. Milius , I. A. Aksay

A natural mixture of heavy rare earths oxides extracted from xenotime mineral have been used to prepare large single crystals of high-temperature REBa2Cu3O(7-\delta) superconductor grown using the CuO-BaO self-flux method. Its mechanical…

Advanced theoretical investigations are crucial for understanding the structural growth mechanisms, optoelectronic properties, and photocatalytic activity of photoelectrodes for efficient photoelectrochemical water splitting. In this work,…

Materials Science · Physics 2025-03-24 Abdul Ahad Mamun , Muhammad Anisuzzaman Talukder

Clear experimental evidence of charge density wave correlations competing with superconducting order in YBCO have thrust their relationship with the pseudogap regime into the spotlight. To aid in characterizing the pseudogap regime, we…

Superconductivity · Physics 2014-10-01 Lauren E. Hayward , Andrew J. Achkar , David G. Hawthorn , Roger G. Melko , Subir Sachdev

Gallium oxide (Ga2O3) is a wide-band-gap semiconductor promising for UV sensors and high power transistor applications, with Baliga's figure of merit that far exceeds those of GaN and SiC, second only to diamond. Engineering its band…

Materials Science · Physics 2019-06-04 Fernando P. Sabino , Xuefen Cai , Su-Huai Wei , Anderson Janotti

The reflectance of high-quality, unpolished single crystals of YBa_2Cu_3O_{6+x}, for the doping range x=0.50 -> 0.95, has been measured with radiation polarized along the c axis from approx 50 cm^{-1} to 5000 cm^{-1} between 10 K and 300 K.…

Condensed Matter · Physics 2011-02-16 C. C. Homes , T. Timusk , D. A. Bonn , R. Liang , W. N. Hardy