Results 221 to 230 of about 13,994 (265)
Some of the next articles are maybe not open access.
Highly sensitive thermometry based on thermal quenching and negative thermal quenching materials
Optics Letters, 2022Suppose that the opposite changes of two emissions with temperature variation may result in a high sensitivity for a ratiometric thermometer; therefore, we design such a thermometer based on thermal quenching and negative thermal quenching materials.
Hongyu Lu +5 more
openaire +2 more sources
Overcoming thermal quenching in upconversion nanoparticles
Nanoscale, 2021Recent efforts for alleviating energy dissipation and enhancement of energy collection are reviewed to combat thermal quenching in UCNPs.
Yanze Wang, Bing Chen, Feng Wang
openaire +2 more sources
A zero-thermal-quenching phosphor
Nature Materials, 2017Phosphor-converted white light-emitting diodes (pc-WLEDs) are efficient light sources used in lighting, high-tech displays, and electronic devices. One of the most significant challenges of pc-WLEDs is the thermal quenching, in which the phosphor suffers from emission loss with increasing temperature during high-power LED operation.
Yoon Hwa Kim +10 more
openaire +3 more sources
Thermal quenching of thermally stimulated conductivity
Journal of Physics D: Applied Physics, 1994Thermal quenching of thermally stimulated conductivity has been considered theoretically assuming a model with three types of states in the bandgap of a semiconductor. It has been shown that the contribution of minority charge carriers to thermally stimulated conductivity might distort the shape of a peak or even change the number of peaks observed ...
V Rinkevicius, G Kavaliauskiene
openaire +1 more source
Thermal Quenching of Thermoluminescence in Natural Quartz
Radiation Protection Dosimetry, 2002The thermal quenching properties of the thermoluminescence (TL) from several natural quartz specimens were examined, at two different wavelengths, using the heating rate dependence of the TL signal. As the heating rate varies the TL peaks shift to different temperatures and become affected by thermal quenching to different extents.
R, Nanjundaswamy +2 more
openaire +2 more sources
Thermal Quenching of Photoluminescence in ZnS:Mn and ZnSerMn
Physica Status Solidi (a), 1981The intensity and the decay time of the yellow manganese luminescence in ZnS:Mn, ZnSe:Mn, and ZnS1−xSex:Mn are measured as a function of temperature. The radiative decay time in ZnSe:Mn is 0.1 ms, ten times less than in ZnS:Mn. The thermal quenching temperature is higher in ZnS:Mn, but it depends on the material preparation conditions.
T. C. Leslie, J. W. Allen
openaire +1 more source
Quenched disorder: Demixing thermal and disorder fluctuations
Physical Review E, 2012We present a finite-size scaling study of the phase transition in the two-dimensional Potts model modified by random bond disorder, in which the average is taken over quantities calculated at quasicritical temperatures of individual disorder configurations.
Uzelac, Katarina, Balog, Ivan
openaire +3 more sources
Nuclear Fusion, 2008
A model of thermal quench in tokamaks is proposed, which presumes that the duration of energy release on the walls (thermal quench) is defined by the outflow of plasma from the core. The motion of plasma in the SOL at the stage of thermal quench is regulated by the same processes of anomalous transport which exist in steady-state modes.
openaire +1 more source
A model of thermal quench in tokamaks is proposed, which presumes that the duration of energy release on the walls (thermal quench) is defined by the outflow of plasma from the core. The motion of plasma in the SOL at the stage of thermal quench is regulated by the same processes of anomalous transport which exist in steady-state modes.
openaire +1 more source
Thermal quenching, infrared quenching and supralinearity in a-Si:H
Chinese Physics Letters, 1984We have tested the temperature and incident flux dependence of photoconductivity and dual beam infrared photoconductivity spectra of a-Si:H samples in annealed states A* and A, and the light soaked states B1 and B2; and observed that they were different for the 4 different states.
openaire +1 more source
THERMAL ANALYSIS OF QUENCH PROPAGATION IN SUPERCONDUCTING COILS
Numerical Heat Transfer, 1986The transient three-dimensional conduction equation with a source term that accounts for the propagating resistive wave front has been solved for a superconducting magnet coil by the control volume finite-difference method with floating nodes. Coupled with this, the code solves the electrical and magnetic circuit equations.
B. Dorri, V. Kadambi
openaire +1 more source