Titlebook: Luminescent Materials; G. Blasse,B. C. Grabmaier Book 1994 Springer.Verlag Berlin Heidelberg 1994 Absorption.exciton.laser.particles.quenc

前面

Nonradiative Transitions,iative return, i.e. a return without emission of radiation. Nonradiative processes will always compete with radiative processes. Since one of the most important requirements for a luminescent material is a high light output, it is imperative that in such a material the radiative processes have a much higher probability than the nonradiative ones.

Anticlimax

Energy Transfer,diatively and nonradiatively, respectively. In this chapter another possibility to return to the ground state is considered, viz. by transfer of the excitation energy from the excited centre (S*) to another centre (A): . (Figs 1.3 and 1.4).

对手

陈腐的人

Cathode-Ray Phosphors,pes, electron microscopes, etc. Cathode rays are a beam of fast electrons; the accelerating voltage in a television picture tube is high (> 10 kV). Figure 7.1 presents a schematic picture of such a tube. The electron beam can be deflected by a magnetic field.

古董

X-Ray Phosphors and Scintillators (Integrating Techniques),equires a powder screen, and the term scintillator when a single crystal is required. The physical processes in the luminescence of these two types of materials is, however, in principle the same and comparable to that in cathode ray phosphors (Chapter 7).

paleolithic

SE 3 and PHASE 4. The group with normal optic nerve head was the only one included in the HYPERTENSIVE PERIOD of the disease. Borderline, Phase 1 and Phase 2 were included in the PREPERIMETRIC PERIOD, and Phase 3 and Phase 4 were included in the PERIMETRIC PERIOD of this disease. .: Confocal tomogra

Abduct

Fierce

委派

G. Blasse,B. C. Grabmaiering temperature and exposure time on stress thermal relaxation and the influence of compressive stress on the stress intensity factor of hole-edge cracks by high strain rate laser shock processing are also analyzed. A new type of statistical data model to describe the fatigue cracking growth with li

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