Operational Characteristics of Germanium Detectors at Higher Temperatures

Operational Characteristics of Germanium Detectors at Higher Temperatures

Several important areas for the use of germanium spectrometers would be opened if these detectors could be successfully operated at temperatures considerably in excess of 77°K. Precise measurements on a series of detectors made from different high-purity germanium crystals and on one lithium-drifted...

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Veröffentlicht in:IEEE (Inst. Elec. Electron. Eng.), Trans. Nucl. Sci., v. NS-20, no. 1, pp. 494-499 Trans. Nucl. Sci., v. NS-20, no. 1, pp. 494-499, 1973-01, Vol.20 (1), p.494-499
Hauptverfasser: Pehl, Richard H., Haller, Eugene E., Cordi, Richard C.
Format: Artikel
Sprache:eng
Schlagworte:
Crystals
Current measurement
Detectors
Diodes
Extraterrestrial measurements
GE SEMICONDUCTOR DETECTORS- ENERGY RESOLUTION
Germanium
Leakage current
LI-DRIFTED GE DETECTORS- ENERGY RESOLUTION
LOW TEMPERATURE
N46110 -Instrumentation-Radiation Detection Instruments- General Detectors & Monitors
Steel
Temperature
TEMPERATURE DEPENDENCE
Thermal resistance
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Beschreibung
Zusammenfassung:Several important areas for the use of germanium spectrometers would be opened if these detectors could be successfully operated at temperatures considerably in excess of 77°K. Precise measurements on a series of detectors made from different high-purity germanium crystals and on one lithium-drifted germanium detector indicate that the resolution does not degrade significantly until nearly 150°K is reached. Similar-sized detectors, including the lithium-drifted device, exhibited essentially identical temperature-resolution relationships.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1973.4326953