Detection of soft X-rays with NEA III-V photocathodes

Details Detection of soft X-rays with NEA III-V photocathodes Detection of soft X-rays with NEA III-V photocathodes

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978rsci...49.1273b&link_type=abstract

Review of Scientific Instruments, vol. 49, Sept. 1978, p. 1273-1278.

Astronomy and Astrophysics

Astronomy

3

Photocathodes, Photomultiplier Tubes, Radiation Detectors, Semiconductor Devices, X Ray Astronomy, Affinity, Crystal Growth, Doped Crystals, Electron Diffusion, Fermi Surfaces, Gallium Arsenides, Grazing Incidence, Negative Electron Affinity, Photoelectrons, Thermionic Emission

Scientific paper

A description is presented of the results of tests on an X-ray photomultiplier containing a negative electron affinity (NEA) photocathode. This device makes it possible to investigate the response of the NEA photocathode to X-rays of various energies. The obtained data provide a basis for the determination of the photoelectron yield and energy resolution of the considered photocathode as a function of energy in the range from 0.8 to 3 keV. The investigation demonstrates the feasibility of using an NEA III-V photocathode for the detection of soft X-rays.

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