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Umicore - High Purity Germanium Crystals

Umicore - High Purity Germanium Crystals

High purity Germanium detectors are manufactured using this ultrapure Germanium and are now available with depletion depths of several centimeters High Purity Germanium HPGe is the only radiation detection technology that provides sufficient information to accurately and reliably identify radionuclides from their passive gamma ray emissions

REQUEST FOR QUOTATION FOR GAMMA SPECTROMETRY …

REQUEST FOR QUOTATION FOR GAMMA SPECTROMETRY …

The first gamma ray spectrometer is the one dimensional High Purity Germanium spectrometer The detector type is High Purity Germanium which is a semiconductor that must be temperature controlled with liquid Nitrogen to 77 K due to excessive leakage current at higher temperatures 2 Because

High-Purity Germanium Detectors S S B I Expotrs Pvt Ltd

High-Purity Germanium Detectors S S B I Expotrs Pvt Ltd

The Best Choice of High Purity Germanium HPGe Detector Detector Efficiency ε E The detector efficiency in Eq 1 will potentially have the most effect on MDA The IEEE-325 definition of relative efficiency Ref 4 at 1 33 MeV is not a good indicator of detector sensitivity in most of the sample geometries you want to use

Chapter 8 Hyper-Pure Germanium Detector

Chapter 8 Hyper-Pure Germanium Detector

Technical Description This collaborative research has two specific objectives 1 measuring charge carrier drift mobilities in arbitrary directions for better modeling of electronic signal formation in High Purity Germanium HPGe detectors and 2 investigating the possibility of particle identification utilizing ionization signal alone in

Semiconductor detector - Wikipedia

Semiconductor detector - Wikipedia

Standard High Purity Germanium Detectors Mirion offers the widest choice of High Purity Germanium HPGe detector types in the industry Employing the appropriate technology in both materials and processing techniques we can offer the optimum detector for your needs

HPGe Detectors vs NaI Tl Scintillation Detectors

HPGe Detectors vs NaI Tl Scintillation Detectors

HPGe Detectors High-purity germanium detectors HPGe detectors are the best solution for precise gamma and x-ray spectroscopy In comparison to silicon detectors germanium is much more efficient than silicon for radiation detection due to its atomic number being much higher than silicon and due to lower average energy necessary to create an electron-hole pair which is 3 6 eV for silicon and

HPGe Detector Part I Repair Special Nuclear Material

HPGe Detector Part I Repair Special Nuclear Material

Sep 16 2011· A high-purity germanium HPGe detector is the ultimate instrument for energy spectrometry of gamma radiation For the nuclear hobbyist an HPGe opens a window into a fascinating realm of home-accessible low-intensity nuclear reactions that are obscured by background in other detectors lacking the superlative resolution

Broad Energy Germanium Detectors BEGe - Environmental …

Broad Energy Germanium Detectors BEGe - Environmental …

A study of signals originating near the lithium-diffused n contact of p-type point contact PPC high purity germanium detectors HPGe is presented The transition region between the active germanium and the fully dead layer of the n contact is examined Energy depositions in this transition

High purity germanium detector - Google Patents

High purity germanium detector - Google Patents

Because germanium has relatively low band gap these detectors must be cooled in order to reduce the thermal generation of charge carriers thus reverse leakage current to an acceptable level Otherwise leakage current induced noise destroys the energy resolution of the detector

High Purity Germanium Detectors - HPGe - nuclear-power net

High Purity Germanium Detectors - HPGe - nuclear-power net

This specification describes the requirements for a Laboratory Gamma Spectrometry System with a High Purity Germanium detector with dual cooling system System intended for use for the determination of trace minor and major elements in environmental biological and geological samples using Neutron Activation Analysis technique The system

Gamma spectroscopy - Wikipedia

Gamma spectroscopy - Wikipedia

High-purity germanium HPGe detectors are widely used in nuclear spectroscopy e g neutron activation analysis due to their high resolution Resolution function of a GMX series coaxial detector system model number GMX40P4-83 in the range of 40 keV to 1 46 MeV has been measured using standard γ-ray sources The energy response function also was calculated using Monte Carlo …

Characterization of Mechanically Cooled High Purity

Characterization of Mechanically Cooled High Purity

high purity Ge crystals in this approach and HyperPure Ge HPGe detectors are commercially available However no equivalent technique is available for Si yet Ge Li detectors were popular in the past and served as the common type of large-volume germanium detector for a long time Although there is little difference in detector performance

Semiconductor detector - Wikipedia

Semiconductor detector - Wikipedia

While silicon detectors cannot be thicker than a few millimeters germanium can have a depleted sensitive thickness of centimeters and therefore can be used as a total absorption detector for gamma rays up to few MeV These detectors are also called high-purity germanium detectors HPGe or hyperpure germanium detectors

High Purity Germanium From Gamma-Ray Detection to Dark

High Purity Germanium From Gamma-Ray Detection to Dark

High- Purity Germanium detectors are mostly used for gamma spectroscopy in nuclear physics as well as x-ray spectroscopy SSBI can offer the optimum detector for a wide range of applications We use both p-type and n-type germanium and we use diffused implanted and …

High Purity Germanium Detector Calibration at ISOLDE

High Purity Germanium Detector Calibration at ISOLDE

Characterization of Mechanically Cooled High Purity Germanium HPGe Detectors at Elevated Temperatures Joseph Benjamin McCabe University of Tennessee - Knoxville jmccabe2 vols utk edu This Dissertation is brought to you for free and open access by the Graduate School at Trace Tennessee Research and Creative Exchange It has been

High-purity germanium strip detectors - Possible

High-purity germanium strip detectors - Possible

Broad Energy Germanium Detectors BEGe by Canberra - Mirion Technologies Inc The CANBERRA Broad Energy Ge BEGe Detector covers the energy range of 3 keV to 3 MeV like no other The resolution at low energies is equivalent to that of our Low Ener

Gaussian Energy Broadening Function of an HPGe Detector in

Gaussian Energy Broadening Function of an HPGe Detector in

The present disclosure provides a High-Purity Germanium HPGe detector comprising a HPGe single crystal having an intrinsic region exposed surface a first electrode and a second electrode connected to a first contact electrode and a second contact electrode of the HPGe single crystal respectively and a conductive guard ring arranged in the intrinsic region exposed surface around the …

Best Choice of High Purity Germanium HPGe Detector

Best Choice of High Purity Germanium HPGe Detector

High Purity Germanium Detector Calibration at ISOLDE Guðmundur Kári Stefánsson Summer Student of Maria Borge September 5 2013 Abstract This Summer Student Project involved the test and calibration of two High Purity Coaxial Germanium gamma-ray detectors Canberra models GC7020 old from 1990 and GX6020 new from

REQUEST FOR QUOTATION FOR GAMMA SPECTROMETRY …

REQUEST FOR QUOTATION FOR GAMMA SPECTROMETRY …

Sep 21 2011· We present an initial evaluation of a mechanically-cooled high-purity germanium double-sided strip detector as a potential gamma camera for small-animal SPECT It is 90 mm in diameter and 10 mm thick with two sets of 16 orthogonal strips that have a 4 5 mm width with a 5 mm pitch We found an

Comparison of a High Purity Germanium Gamma Ray

Comparison of a High Purity Germanium Gamma Ray

This specification describes the requirements for a Laboratory Gamma Spectrometry System with a High Purity Germanium detector with dual cooling system System intended for use for the determination of trace minor and major elements in environmental biological and geological samples using Neutron Activation Analysis technique The system

Characterization of a high-purity germanium detector for

Characterization of a high-purity germanium detector for

To complete the gamma spectroscopy laboratory set CAEN SyS includes in its offer a wide choice of High Purity Germanium detectors HPGe Germanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic I region is sensitive to ionizing radiation particularly X …

High Purity Germanium HPGe Radiation Detectors

High Purity Germanium HPGe Radiation Detectors

Common detector materials include sodium iodide NaI scintillation counters and high-purity germanium detectors To accurately determine the energy of the gamma ray it is advantageous if the photoelectric effect occurs as it absorbs all of the energy of the incident ray Absorbing all the energy is also possible when a series of these

Characteristics of signals originating near the lithium

Characteristics of signals originating near the lithium

NATS offers a complete range in High Purity Germanium Detectors HPGE The High Purity Germanium Spectroscopy Detector is used in the detection and analysis of Gamma-ray of environmental objects in nuclear energetics products of industry and agriculture medicine etc

CN104749606A - High purity germanium detector - Google …

CN104749606A - High purity germanium detector - Google …

High-purity germanium HPGe detectors are the recognized gold standard for detection and identification of characteristic gamma rays from nuclear or radiological sources No other detector comes close to matching their extremely high resolution and sensitivity However until recently their use outside the laboratory has been limited

Five things you need to know about using high-purity

Five things you need to know about using high-purity

While silicon detectors cannot be thicker than a few millimeters germanium can have a depleted sensitive thickness of centimeters and therefore can be used as a total absorption detector for gamma rays up to few MeV These detectors are also called high-purity germanium detectors HPGe or hyperpure germanium detectors