Handbook on the Physics and Chemistry of Rare Earths. vol. 9 by Jeffrey M. Lemm

By Jeffrey M. Lemm

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Extra resources for Handbook on the Physics and Chemistry of Rare Earths. vol. 9

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Electrochem. , 114, 1137 (1967). 2. , Luminescence of europium in ternary system — A2O3-Gd2O3-Y2O3, J. Electrochem. , 112, 124 (1965). 3. , Fluorescent properties of red-emitting europium-activated phosphors with cathode ray excitation, J. Electrochem. , 112, 111 (1965). 95 Preparation Mix by slurrying in water or methanol. Dry in air. Powderize when dry. 1. Fire in capped quartz tubes, stagnant air, 1300ºC, 1 hour. Powderize. 2. Fire in capped quartz tubes, stagnant air, 1300ºC, 1 hour. Powderize.

2. , A fast inorganic scintillator, Nucl. Instrum. Methods, 62, 119 (1968). 3. , Correction, Nucl. Instrum. Methods, 63, 358 (1968). 064 Preparation Fire in capped tubes, CO, 900ºC, 1 hour. 40 eV); ≈ 60% Excitation efficiency by e-beam: + Decay to 10%: In the 1–10 µsec range Spectra Wavelength (nm) 800 700 600 500 400 300 Emission 100 50 2 3 4 Photon Energy (eV) 5 0 Remarks 1. This common bluish-green emission of ZnO is greatly enhanced by the addition of sulfur during firing. 2. The emission can be shifted towards blue by replacing 20% of the Zn by Mg, and towards yellow by replacing 10% of the Zn by Cd.

It is also easier to compare the widths of approximately Gaussian-shaped emission bands plotted in eV than it is to compare the widths of very nonGaussian-shaped bands plotted in wavelength units. 88 eV Only the main references to original publications are given. Absence of a reference means that none is known. 023 Preparation Mix by slurrying in water or methanol. Dry in air. Powderize when dry. Fire in capped quartz tubes, stagnant air, 1200ºC, 1 hour. Powderize. Store in well-closed container.

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