Solid state neutron detector

Details Solid state neutron detector Solid state neutron detector

1981-06-15

1983-12-06

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

250370, 250391, 357 29, 357 59, 357 15, G01T 308

Patent

active

044195788

ABSTRACT:
A solid-state neutron detector for detecting both fast and slow neutrons comprises two layers, one of which contains a neutron-sensitive first material and the other of which contains a semiconducting second material containing hydrogen, the first and second materials meeting to form a rectifying junction therebetween. The neutrons are detected by detecting electron-hole pairs migrating in opposite directions relative to the junction. The electron-hole pairs are created by energetic free protons produced by the fast neutrons travelling through the second material and by energetic reaction particles produced by the slow neutrons travelling through the first material. Stacking several of these detectors next to each other enhances overall sensitivity for detecting both fast and slow neutrons.

REFERENCES:
patent: 3129329 (1964-04-01), Love et al.
patent: 3225198 (1965-12-01), Mayer
patent: 3581091 (1971-05-01), Meijer
patent: 3598997 (1971-08-01), Baertsch
patent: 3624399 (1971-11-01), Den Boer
patent: 4200473 (1980-04-01), Carlson
Gverdtsiteli, "High-Efficiency Ion-Implanted Semiconductor Counter for Neutrons", Pribosyi Tekhnika Eksperimenta, No. 3, May-Jun. 1979, pp. 81-83, Plenum Pub. Corp.
Flynn, "High Efficiency Solid State Neutron Telescope for 15-35 MeV Neutrons", Rev. Sci. Instr., 37 (2), Feb. 1966, pp. 215-222.

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