Si(Li) detector

E561163

A Si(Li) detector is a lithium-drifted silicon semiconductor radiation detector historically used for high-resolution X-ray and gamma-ray spectroscopy.

All labels observed (1)

Label Occurrences
Si(Li) detector canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf semiconductor radiation detector ⓘ
silicon detector ⓘ
basedOn silicon p-i-n diode structure ⓘ
detects X-ray photons ⓘ
gamma-ray photons ⓘ
developedIn 1960s ⓘ
hasAbbreviation Si(Li) ⓘ
hasAdvantage good energy resolution for X-rays ⓘ
relatively high detection efficiency for low-energy photons ⓘ
hasComponent depleted silicon volume ⓘ
lithium-drifted region ⓘ
p-n junction ⓘ
hasDepletionDepth on the order of a few millimeters ⓘ
hasEnergyRange approximately 1 keV to tens of keV for X-rays ⓘ
up to a few MeV for gamma rays ⓘ
hasEnergyResolution on the order of 150 eV at 5.9 keV ⓘ
hasLimitation limited active area compared to some alternatives ⓘ
mechanically fragile crystal ⓘ
requires low-temperature operation to reduce leakage current ⓘ
hasNoiseSource Fano noise in silicon ⓘ
leakage current ⓘ
hasOperatingTemperature about 77 K ⓘ
hasSignalReadout charge-sensitive preamplifier ⓘ
hasTypicalEntranceWindow thin beryllium window ⓘ
hasTypicalThickness a few millimeters ⓘ
historicallyPrecededBy gas-filled proportional counter ⓘ
historicallySucceededBy high-purity germanium detector ⓘ
silicon drift detector ⓘ
isReplacedInModernSystemsBy silicon drift detector in many X-ray applications ⓘ
isSensitiveTo radiation damage ⓘ
isUsedWith multichannel analyzer ⓘ
pulse shaping amplifier ⓘ
operatesBy semiconductor ionization ⓘ
requires cryogenic cooling ⓘ
lithium drifting process ⓘ
vacuum or low-pressure environment at the entrance window ⓘ
requiresBiasVoltage reverse bias ⓘ
typicallyCooledTo liquid nitrogen temperature ⓘ
usedFor gamma-ray spectroscopy ⓘ
high-resolution X-ray spectroscopy ⓘ
usedIn X-ray fluorescence analysis ⓘ
astrophysical X-ray measurements ⓘ
electron probe microanalysis ⓘ
materials analysis ⓘ
nuclear spectroscopy ⓘ
usesMaterial lithium-drifted silicon ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Silicon Drift Detector → relatedTo → Si(Li) detector ⓘ