Urbach tail and bandgap analysis in near stoichiometric LiNbO3 crystals

R Bhatt, I Bhaumik, S Ganesamoorthy… - … status solidi (a), 2012 - Wiley Online Library
Energy of the indirect and direct optical bandgap of near‐stoichiometric lithium niobate
(nSLN) crystals is evaluated by optical absorption measurement. The value of the indirect …

[HTML][HTML] The optical bandgap of lithium niobate (LiNbO3) and its dependence with temperature

AR Zanatta - Results in Physics, 2022 - Elsevier
Notwithstanding the great scientific− technological interest in lithium niobate (LiNbO 3), its
optical bandgap E gap has been subject of intense discussion. So far, the literature exhibits …

Effect of rare earth ions on structural and optical properties of specific perovskite orthochromates; RCrO3 (R= La, Nd, Eu, Gd, Dy, and Y)

KD Singh, R Pandit, R Kumar - Solid State Sciences, 2018 - Elsevier
We present here, a systematic investigation on orthorhombic perovskite type rare earth
chromates; RCrO 3 (R= La, Nd, Eu, Gd, Dy, and Y) powder samples via X-ray diffraction …

Sol-gel synthesis and photoluminescence of p-type semiconductor Cr2O3 nanowires

H Cao, X Qiu, Y Liang, M Zhao, Q Zhu - Applied physics letters, 2006 - pubs.aip.org
Rhombohedral structure p-type semiconductor Cr 2 O 3 nanowires were generated by sol-
gel template technology with the diameters in the range of 100–300 nm and the lengths ca …

NaNbO3: Pr3+: a new red phosphor showing persistent luminescence

P Boutinaud, L Sarakha, R Mahiou - Journal of Physics …, 2008 - iopscience.iop.org
Abstract The Pr 3+-doped NaNbO 3 perovskite is introduced as a new red phosphor
excitable in the near UV region at around 350 nm. A bright single red emission is observed …

Enhanced dielectrics, ferroelectric and optical properties of lithium niobate for high temperature applications using potassium oxide (K2O) additive

SK Satyarthi, VP Singh, CB Singh, AK Singh - Ceramics International, 2024 - Elsevier
Abstract Dielectrics, Ferroelectric and Optical properties of Lithium Niobate has been
examined using Potassium Oxide (K 2 O) as an additive on the samples prepared by solid …

Using Raman and dielectric spectroscopy to elucidate the spin phonon and magnetoelectric coupling in DyCrO 3 nanoplatelets

P Gupta, P Poddar - RSC advances, 2015 - pubs.rsc.org
In this study, we report the phonon-mode assignment of DyCrO3 nanoplatelets by Raman
spectroscopy. The temperature dependent Raman studies indicate the shift in the phonon …

Optical, scintillation and dosimeter properties of MgO translucent ceramic doped with Cr3+

T Kato, G Okada, T Yanagida - Optical Materials, 2016 - Elsevier
We have investigated the photoluminescence (PL), scintillation and thermally-stimulated
luminescence (TSL) dosimeter properties of MgO translucent ceramic doped with Cr 3+ ion …

Synthesis and optical studies of GdCrO3 nanoparticles

A Jaiswal, R Das, S Adyanthaya, P Poddar - Journal of Nanoparticle …, 2011 - Springer
Here we report for the first time, a detailed synthesis mechanism of GdCrO 3 nanoparticles
using a surfactant-less hydrothermal method. We also report a detailed study of their …

Mild, quasireverse emulsion route to submicrometer lithium niobate hollow spheres

C Luo, D Xue - Langmuir, 2006 - ACS Publications
A water/ethylene glycol (H2O/EG) system has been designed to synthesize lithium niobate
(LiNbO3) powders by a mild, one-step quasireverse emulsion method. A morphology …