· Spectrum from a 50% relative efficiency reverse-electrode high purity germanium detector of an Am-241/Cs-137 point source at a distance of 7cm from the detector. This spectrum spans from 5 to 65 keV, and illustrates the typical resolution and peak structure seen with the majority of measurements.

 · Gallium-doped germanium (Ge:Ga) detectors have cutoff a wavelength of approximately 115 m m. The spectral response for the Ge:Ga detectors used in the SIRTF focal plane arrays is shown in Figure 2. The …

 · This International. Description: IEC 61275:2013 is applicable to a portable or transportable photon spectrometry assembly using a high purity germanium (HPGe) detector to survey, in situ, generally at 1 m above ground level, areas in the environment for discrete radionuclides. This standard specifies for.

High Performance High Purity Germanium (HPGe) Planar Radiation Detectors for Safeguards and Non-Destructive Assay Actinide-85 High Purity Germanium (HPGe) …

 · 【high purity germanium detector】：; ; 【high purity germanium detector】：Gamma-ray spectrometer with high purity germanium γ; high purity BaTiO3 BaTiO3; high purity Eu2O3 ...

 · Germanium detectors are semiconductor diodes having a P-I-N structure in which the Intrinsic (I) region is sensitive to ionizing radiation, particularly X rays and …

 · Germanium detectors against wine swindles 137 Cs is man-made 29 authentic wines as reference 40K: 30Bq/l 137Cs If a wine is pre- nuclear-testing, there is no …

 · Germanium Itech Instruments offers a variety of germanium detector options. Coaxial P type These detectors have a typical energy range 40 keV to 10 MeV. They are …

 · The broad-energy germanium (BEGe) detector, with the ability of background discrimination using pulse shape discrimination, is a competitive candidate for neutrinoless double beta decay (0νββ) experiments. In this paper, we report our measurements of key parameters for detector modeling in a commercial p-type BEGe detector.

 · In this laboratory a new tech­ nique was established for depositing lithium onto p-type germanium. This l 2 involves electroplating the lithium from a lithium salt solution on the five sides of the crystal and simultaneously alloying this lithium to the germanium at elevated temperatures. Most other experimenters report­

But if a perfect energy resolution is required, we must use a germanium-based detector, such as the HPGe detector. Germanium-based semiconductor detectors are most …

 · High-purity germanium (HPGe) detectors are frequently used to detect X- and gamma rays for energy spectroscopy and related fields because of their unparalleled …

 · But if a perfect energy resolution is required, we have to use germanium-based detector, such as the HPGe detector. Germanium-based semiconductor detectors are …

Calibration of germanium detectors for in - situ gamma - ray measurements Lithium drifted germanium detector High purity germanium detector Cadmium - doped germanium detector ...

 · Germanium detectors were fabricated by doping n-type germanium samples with boron. Boron powder was spread over germanium and bombard with Nd: YAG laser of wavelength 1064nm at different...

 · To bolster countries' radiation detection capabilities, the IAEA helps build capacity among the experts by providing knowledge for the effective use of HPGe detectors for nuclear security purposes, and incidentally for radiation safety, thereby ensuring that when an HPGe detector and expert analysis are needed, the Member State is ready to …

 · Figure 17 Ge Well Detector Cross Section. Germanium Well Detectors are made from high-purity germanium and can therefore be shipped and stored at room temperature without harm. Unlike lithium-drifted detectors, high-purity germanium detectors may be cycled repeatedly between LN 2 and room temperature with no compromise in …

High Performance High Purity Germanium (HPGe) Planar Radiation Detectors for Safeguards and Non-Destructive Assay Actinide-85 High Purity Germanium (HPGe) Lung Monitor Detector PINS-GMX Portable Isotopic Neutron Spectroscopy Gamma-X Detector Shallow Hole Probe PGM-1 Pipe Gage Monitor SPD-1 Submergible Radiation Detector …

High-purity germanium detectors (HPGe detectors) are the best solution for precise gamma and x-ray spectroscopy. Compared to silicon detectors, germanium is much more efficient than silicon for radiation detection due …

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 · There are three potential hazards in the use and handling of Ge detectors that must be recognized and properly dealt with to avoid the risk of personal injury. High Voltage Ge detectors may operate at bias voltages of 5000 V dc or more. Always be sure that detectors are properly grounded (through the SHV coaxial cable ground to a properly

 · Germanium detectors for nuclear spectroscopy: Current research and development activity at LNL Full Record Related Research Abstract High-purity Germanium (HPGe) detectors have reached an unprecedented level of sophistication and are still the best solution for high-resolution gamma spectroscopy.

Germanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly x rays and gamma rays. Under reverse bias, an electric field extends …

The PIN diode is defined by n-type and p-type implants in the germanium with peak dopant density 1018cm-3. The germanium is assumed to form an abrupt heterojunction with the underlying 20Ω-cm (5x1014cm-3) p-type silicon. All contacts are specified as ohmic. The SOI (silicon) layer is grounded through a 10kΩ resistor to model substrate leakage.

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Abstract The GERmanium Detector Array, GERDA, will search for neutrinoless double beta decay of 76Ge by operating bare high-purity germanium detectors, enriched in 76Ge, in liquid argon. To reduce the background to the required level below 10^ (−3) cts/ (keV·kg·y), it is necessary to employ active background-suppression techniques.

Germanium Detector (340 products available) 1/3. Metal Detectors And Walk Through Metal Detector With Camera TE-SD2 / set ...

 · BE5030) consists of a High Purity Germanium (HPGe) crystal with a disk shape of 80 mm active diameter and 30 mm thick placed inside an aluminium end-cap and a copper support. In the top side, the window is made by Carbon Epoxy with a thickness of 0.5 mm, placed at 5 mm from the crystal.

The GERmanium Detector Array (GERDA) is an ultra-low background experiment under construction at Laboratori Nazionali del Gran Sasso. GERDA will search for Ge-76 neutrinoless double beta decay with an aim for 100-fold reduction in background compared to predecessor experiments.

 · germanium detector for a long time. Although there is little difference in detector performance between HPGe and Ge(Li), the maintenance of Ge(Li) is pretty inconvenient, which has made manufacturers stop producing them. 8.2. Configurations A. Hyper-Pure Germanium (HPGe) detector fabrication [4] HPGe crystal were first developed in the mid …

Why germanium? • The natural abundance of 76 Ge is only about 8%, but enrichment at the level > 90% isotopic 76 Ge fraction in ample quantities is possible.Enrichment is a well established process and allows for an industrial production of 76 Ge enriched detectors. • Germanium detectors are commercial products that act both as source and detector, …