Decay kinetics in low-energy emission of KCl:Tl: A Jahn-Teller model interpretation

2004 ◽  
Vol 69 (17) ◽  
Author(s):  
P. Fabeni ◽  
D. Mugnai ◽  
G. P. Pazzi ◽  
A. Ranfagni
Keyword(s):  
Low Energy ◽  
Decay Kinetics ◽  
Energy Emission ◽  
Model Interpretation ◽  
Jahn Teller

Decay kinetics of high- and low-energy emission in the A band of KCl:Tl

2016 ◽  
Vol 176 ◽  
pp. 175-180 ◽  
Author(s):  
A. Ranfagni ◽  
G.P. Pazzi ◽  
P. Fabeni ◽  
D. Mugnai
Keyword(s):  
Low Energy ◽  
Decay Kinetics ◽  
Energy Emission ◽  
Kinetics Of

ROLE OF THE ELECTRON–PHONON INTERACTION ON THE SPECTRAL DENSITY AND PSEUDOGAP IN CUPRATES

2002 ◽  
Vol 16 (23) ◽  
pp. 3465-3471
Author(s):  
I. CHAUDHURI ◽  
S. K. GHATAK
Keyword(s):  
Critical Temperature ◽  
Spectral Density ◽  
Low Energy ◽  
Phonon Interaction ◽  
Energy Excitation ◽  
Electron Phonon Interaction ◽  
Peak Structure ◽  
Electronic Model ◽  
Jahn Teller

The pseudogap structure in low energy excitation in cuprates appears below a temperature and the spectral density exhibits strong wave-vector dependence. An electronic model that emphasized the coupling of carrier in Cu-O with phonon is examined for pseudogap. The electron–phonon interaction originates from the modulation of on-site and hopping energy and leads to spontaneous Jahn–Teller-like distortion and pseudogap below a critical temperature. At low temperature the spectral density has two-peak structure about the Fermi level for all k along Γ-M whereas such structure exists along Γ-X for small k only. The magnitude of pseudogap shows strong k-dependence — maximum along Γ-M and vanishes along Γ-X. These features emphasize the role of electron–phonon interaction in formation of pseudogap.

scholarly journals Emission Spectra of Crystal Phosphor BaCl2-Pb

1980 ◽  
Vol 35 (3) ◽  
pp. 308-311 ◽  
Author(s):  
Veneta Tabakova ◽  
Kyncho Kynev
Keyword(s):  
Emission Band ◽  
Emission Spectra ◽  
Barium Chloride ◽  
High Energy ◽  
Low Energy ◽  
Complex Nature ◽  
Excitation Spectra ◽  
Energy Emission ◽  
High Energy Emission ◽  
Effective Excitation

Abstract Emission spectra of Pb2+ centres in barium chloride single crystals have been studied between 4 and 300 K by excitation with different wave lengths. Excitation spectra at 300 K have also been obtained by measuring the emission in the maxima of the shoitwave and longwave bands. The results allow to conclude that the high energy emission band is due to the transition | 3T1u > → | 1A1g > in the activator ion. The more effective excitation of the low energy emission band observed in the shortwave region of the absorption spectrum and the complex nature of both bands are discussed.

Excimer-Induced Low-Energy Emission in Spirobifluorene-Based Polymer: The Role of Meta-Linkage

2013 ◽  
Vol 117 (51) ◽  
pp. 27081-27087 ◽  
Author(s):  
Yueqi Mo ◽  
Luyang Du ◽  
Linlin Liu ◽  
Jinchang Huang ◽  
Yuyu Pan ◽  
...  
Keyword(s):  
Low Energy ◽  
Energy Emission

scholarly journals Eco-friendly, solution-processable and efficient low-energy lighting phosphors: copper halide based hybrid semiconductors Cu4X6(L)2 (X = Br, I) composed of covalent, ionic and coordinate bonds

2020 ◽  
Vol 8 (47) ◽  
pp. 16790-16797
Author(s):  
Xiuze Hei ◽  
Simon J. Teat ◽  
Wei Liu ◽  
Jing Li
Keyword(s):  
High Efficiency ◽  
Low Energy ◽  
Promising Candidate ◽  
Copper Halide ◽  
Energy Emission ◽  
Hybrid Semiconductors ◽  
Solution Processable

We have developed a series of AIO-type copper halide hybrid semiconductors. The low-energy emission and high efficiency, coupled with good solution processability make these compounds promising candidate as robust and eco-friendly lighting phosphors.

Effects of Phosphorus Pressure on Low-Energy Emission Bands in Zn-Diffused InP

1991 ◽  
Vol 30 (Part 1, No. 11A) ◽  
pp. 2683-2692 ◽  
Author(s):  
Morio Wada ◽  
Katsutoshi Sakakibara ◽  
Yoichi Sekiguchi
Keyword(s):  
Low Energy ◽  
Energy Emission

FERMI LAT OBSERVATIONS OF GAMMA-RAY BURSTS

2009 ◽  
Vol 18 (10) ◽  
pp. 1545-1549
Author(s):  
◽  
F. LONGO
Keyword(s):  
Gamma Ray ◽  
Gamma Ray Bursts ◽  
Low Energy ◽  
Field Of View ◽  
Large Area ◽  
Energy Emission ◽  
Temporal Properties

We present the observations of Gamma-Ray Bursts (GRB) by the Fermi Large Area Telescope (LAT). In the first six months of the mission four GRB were detected at energies greater than 100 MeV by the LAT. The spectral and temporal properties of the three events detected within the LAT field of view, particulary with respect to the low-energy emission detected by the GBM, will be outlined.

Subjective and objective relaxation effects of low energy emission therapy

1994 ◽  
Vol 10 (1) ◽  
pp. 5-13 ◽  
Author(s):  
Lisa Higgs ◽  
Martin Reite ◽  
Alexandre Barbault ◽  
Jean-Pierre Lebet ◽  
Claude Rossel ◽  
...  
Keyword(s):  
Low Energy ◽  
Energy Emission ◽  
Relaxation Effects
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