ELASTIC CONSTANTS OF CSBR FROM 4.2 DEG K TO 300 DEG K
Elastic constants of cesium bromide
TEMPERATURE↗
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Development of high efficiency opaque photocathodes for the Region 900 angstrom to 1200 angstrom
Progress in the following three areas is reported: investigation of the basic properties of candidate photocathode materials; measurement of the quantum detection efficiency (QDE) of KCl, RbBr, and CsBr as a function of wavelength and incident angle; and assessment of the stability of these photocathodes.
Lampton, M.↗
Photoelectron energy spectra of opaque photocathodes in the extreme and far ultraviolet
Measurements of the EUV quantum detection efficiency (QDE) of opaque RbBr, CsBr, and KBr photocathodes are described and investigations of their photoemission characteristics over the 44-1560 A wavelength range are reported. The results show that high QDEs can be obtained in the EUV. Narrow QDE peaks at soft X-ray wavelengths occur at slightly different wavelengths for each of the materials studied. The long-wavelength thresholds vary according to the material band gap. Data on the photoemission from the photocathode layer on the microchannel plate interchannel web area are used to determine the number and energy distribution of the emitted photoelelectrons as a function of wavelength.
Siegmund, Oswald H. W.↗