Statistical analysis of time-resolved emission from ensembles of semiconductor quantum dots: Interpretation of exponential decay models

AF Van Driel, IS Nikolaev, P Vergeer, P Lodahl… - Physical Review B …, 2007 - APS
We present a statistical analysis of time-resolved spontaneous emission decay curves from
ensembles of emitters, such as semiconductor quantum dots, with the aim of interpreting …

A Deep-Red Emission Phosphor Y2SrAl4SiO12:Ce3+, Cr3+ and Its Utilization in Polycrystalline Silicon Solar Cells

X Ma, T Seto, Y Wang - The Journal of Physical Chemistry Letters, 2023 - ACS Publications
The power conversion efficiency (PCE) of crystalline silicon solar cells has reached a
bottleneck. Further improving the PCE is an important current research topic. This Letter …

Energy transfer and enriched emission spectrum in Cr and Ce co-doped Y3Al5O12 yellow phosphors

W Wang, J Tang, STV Hsu, J Wang, BP Sullivan - Chemical Physics Letters, 2008 - Elsevier
Ce/Cr co-doped Y3Al5O12 (Ce/Cr: YAG) exhibits enriched emission spectrum in the red
region due to a non-radiative energy transfer from the Ce3+ (2E) level to Cr3+ (4T) level …

Positron lifetime measurements of hydrogen passivation of cation vacancies in yttrium aluminum oxide garnets

FA Selim, CR Varney, MC Tarun, MC Rowe… - Physical Review B …, 2013 - APS
A charge compensation mechanism is proposed for cation vacancy defects in complex
oxides based on positron lifetime measurements, infrared spectroscopy, and composition …

Energy levels of exciton traps in yttrium aluminum garnet single crystals

CR Varney, DT Mackay, A Pratt, SM Reda… - Journal of Applied …, 2012 - pubs.aip.org
Electronic defects and exciton traps were studied in yttrium aluminum garnet (YAG) single
crystals by wavelength and temperature resolved thermoluminescence (TL). Measurements …

Structural Relaxation around Cr3+ in YAlO3−YCrO3 Perovskites from Electron Absorption Spectra

G Cruciani, M Ardit, M Dondi, F Matteucci… - The Journal of …, 2009 - ACS Publications
The structural relaxation around Cr3+ in YAl1-x Cr x O3 perovskites was investigated and
compared with analogous Cr− Al joins (corundum, spinel, garnet). Eight compositions (x …

Energy transfer and luminescent properties of Ce3+, Cr3+ co-doped Y3Al5O12

LM Shao, XP Jing - Journal of luminescence, 2011 - Elsevier
The phosphors in the system Y 3− x Al 5-y O 12: xCe 3+, yCr 3+ were synthesized by solid-
state reactions and their photoluminescence properties were investigated. These phosphors …

Computational analysis on native and extrinsic point defects in YAG using the metaGGA SCAN method

W Lafargue-Dit-Hauret, M Allix, B Viana, S Jobic… - Theoretical Chemistry …, 2022 - Springer
We report on the computational study of point defects in the well-known Y 3 Al 5 O 12 (YAG)
compound. DFT SCAN and SCAN+ U calculations were used to access the electronic …

Malayaite ceramic pigments: A combined optical spectroscopy and neutron/X-ray diffraction study

G Cruciani, M Dondi, M Ardit, TS Lyubenova… - Materials Research …, 2009 - Elsevier
Ceramic pigments based on the Cr-doped malayaite structure were synthesized by solid
state reaction and characterized by optical spectroscopy and combined X-ray and neutron …

[PDF][PDF] Positron lifetime measurements of vacancy defects in complex oxides

C Varney, F Selim - Acta Physica Polonica A, 2014 - bibliotekanauki.pl
Native defects in complex oxides play a crucial role in determining their optical, electrical,
and magnetic properties and it is difficult to identify and characterize them. Positron lifetime …