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The operation of semiconductor detectors is summarized in the following points: Ionizing radiation enters the detector's sensitive volume ( germanium crystal) and interacts with the semiconductor material. A high-energy photon passing through the detector ionizes the atoms of the semiconductor, producing electron-hole pairs. The number of electron-hole …
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pp 154-62 of Lithium-Drifted Germanium Detectors. Vienna, International Atomic Energy Agency, 1966. Additional Journal Information: Other Information: See STI/PUB--132. Orig. Receipt Date: 31-DEC-68 Country of Publication: Country unknown/Code not available Language: English
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The Lithium-Drifted Germanium detector represents the mostadvanced stage in a systematicdevelopment of semiconductor materials anddevices made from them forthe purpose of radiation detection. The semiconductordetector describedherein has a distinct similarity to the gaseous ionization chamber, but its superiority for most applications is …
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The availability of germanium with less than 1010 acceptors/cm3 has enabled us to fabricate and study the performance of germanium detectors of substantially larger volume than has hitherto been possible except by using lithium-drifting techniques. Detectors having a sensitive volume of up to 25 cm3 have been made. These detectors …
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Book Synopsis Lithium-Drifted Germanium Detectors: Their Fabrication and Use by : I. C. Brownridge. Download or read book Lithium-Drifted Germanium Detectors: Their Fabrication and Use written by I. C. Brownridge and published by Springer. This book was released on with total page 210 pages. Available in PDF, EPUB and Kindle.
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The lithium-drifted germanium detector, denoted Ge (Li), is similar in construction to the Si (Li) detector. However, a striking difference is found in the very high lithium mobility in the germanium detector at room temperature. A Ge (Li) detector will be destroyed if it is allowed to warm up from the normal 77 K operating temperature.
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Semiconductor based photon radiation detectors have been evolving for over half a century, with ORTEC pioneering commercial availability for a majority of that time. Initial offerings were based around lithium-drifted germanium Ge (Li) and lithium-drifted silicon Si (Li). Ge (Li) was later replaced with more advanced, high purity germanium (HPGe) detectors.
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LITHIUM-DRIFTED GERMANIUM DETECTORS (in Japanese) Full Record; Other Related Research; Authors: Tereda, J; Takayanagi, S Publication Date: Tue Feb 01 00:00:00 EST 1966 Research Org.: Shibaura Electric Co., Ltd., Tokyo OSTI Identifier: 4527617 NSA Number: NSA-20-033712 Resource Type:
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A lithium-drifted germanium detector is a semiconductor de vice which operates at liquid nitrogen temperature, and is used for detection of nuclear radiation, mostly gamma ray. The detection occurs when the y-ray undergoes an interaction in the intrinsic or I region of the semiconductor. The interaction results in the pro duction of charge ...
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The analysis of a 36% high purity germanium system demonstrated the energy calibration drifted an average of 0.014 keV d (-1) to 0.041 keV d (-1) depending upon energy. At 1,332 keV, one day after calibration, it was shown that up to half of the total error in energy calibration was as a result of calibration drift.
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Book excerpt: A lithium-drifted germanium detector is a semiconductor de vice which operates at liquid nitrogen temperature, and is used for detection of nuclear radiation, mostly gamma ray. The detection occurs when the y-ray undergoes an interaction in the intrinsic or I region of the semiconductor.
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Thick planar detectors have been produced by ac drifting. Lithium is diffused on two opposite surfaces of a p-germanium block, thus producing an n+ pn+ structure with two diodes back to back. Drift then proceeds from the two surfaces on alternate half cycles of the ac field. When the two compensated regions meet, one n-contact is removed and …
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Typical detectors are InSb, a photovoltaic indium antimonide detector operated at 77 K, and He Ge, a photo-conductive mercury-doped germanium detector maintained at 15 K by a closed-cycle helium refrigerator... Radionuclidic analyses are performed with either a lithium-drifted germanium or intrinsic germanium detector. The assay for Sr-82 is ...
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Lithium-drifted germanium detectors have been fabricated in the form of a cylindrical annulus. The forming of the annular shape was made feasible by using a spark cutting machine. The annular shape, being highly symmetrical, permits standardization of the techniques of gamma spectroscopy.
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A lithium-drifted germanium detector is a semiconductor de vice which operates at liquid nitrogen temperature, and is used for detection of nuclear radiation, mostly gamma ray. The detection occurs when the y-ray undergoes an interaction in the intrinsic or I region of the semiconductor. The interaction results in the pro duction of charge ...
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Corpus ID: 139175024; Fabrication of Lithium Drifted Germanium Detectors of Planar Structures @inproceedings{Yin1969FabricationOL, title={Fabrication of Lithium Drifted Germanium Detectors of Planar Structures}, author={Yin}, year={1969} }
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Lithium-drifted germanium detectors by Panel on the Use of Lithium-Drifted Germanium Gamma-Ray Detectors for Research in Nuclear Physics (1966 Vienna), 1966, International Atomic Energy Agency edition, in English. It looks like you're offline. Donate ♥. Browse Menu ...
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Lithium-drifted germanium detectors may be profitably used in a variety of experiments in undergraduate physics laboratories. We have attempted to assemble from literature and our own experience an introduction to these devices. Included are some basic experiments relating to the properties of the detectors which are interesting in themselves, but also …
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HPGe detector with LN2 cryostat Source: canberra. High-purity germanium detectors (HPGe detectors) are the best solution for precise gamma and x-ray spectroscopypared to silicon detectors, germanium is much more efficient than silicon for radiation detection due to its atomic number being much higher than silicon and lower …
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Book excerpt: A lithium-drifted germanium detector is a semiconductor de vice which operates at liquid nitrogen temperature, and is used for detection of nuclear radiation, mostly gamma ray. The detection occurs when the y-ray undergoes an interaction in the intrinsic or I region of the semiconductor.
Details 
A lithium-drifted germanium detector is a semiconductor de vice which operates at liquid nitrogen temperature, and is used for detection of nuclear radiation, mostly gamma ray. The detection occurs when the y-ray undergoes an interaction in the intrinsic or I region of the semiconductor. The interaction results in the pro duction of charge carriers which are …
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