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germanium detector intrinsic

  • Germanium Detector - Principle of Operation

    Germanium Detector – Principle of Operation HPGe detector with LN2 cryostat Source: canberra.com Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy.

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  • High performance planar germanium-on-silicon single …

    2019/03/06· By incorporating germanium, single-photon avalanche diode detectors using silicon-based platforms are applied to infrared light detection. Here, a cost-effective planar detector geometry is ...

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  • Germanium detectors in homeland security at …

    2015/05/01· The U.S. Department of Energy's Office of Scientific and Technical Information @article{osti_1206547, title = {Germanium detectors in homeland security at PNNL}, author = {Stave, S.}, abstractNote = {Neutron and gamma-ray detection is used for non-proliferation and national security applications. . While lower energy resolution detectors such as NaI(Tl) have their place, high purity germanium ...

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  • US9261610B2 - High purity germanium detector - …

    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 ...

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  • Standard High Purity Germanium Detectors

    The conventional coaxial germanium detector is often referred to as Pure Ge, HPGe, Intrinsic Ge, or Hyperpure Ge. Regardless of the superlative used, the detector is basically a cylinder of germanium with an n-type contact on the

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  • High Purity Germanium Detectors - HPGe - Nuclear Power

    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 across the ...

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  • High Purity Germanium Detector Calibration at ISOLDE

    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

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  • U-LEGe Ultra-Low Energy Germanium Detectors …

    detector, delivers the intrinsic efficiency and resolution advantages of germanium without the disadvantages of the conventional germanium detector. • Spectroscopy from 300 eV to 300 keV • pioneered by Mirion and employed in ...

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  • Semiconductor detectors have a high density

    Assuming a detector with a thickness of d = 300 μm and an area of A = 1 cm2 • Signal of a mip in such a detector: • Intrinsic charge carrier in the same volume (T = 300 K) 𝑑𝑑𝐸𝐸⁄𝑑𝑑𝑑𝑑∙𝑑𝑑 𝐼𝐼0 = 3.87∙106𝑒𝑒⁄𝑐𝑐𝑉𝑉𝑚𝑚∙0.03𝑐𝑐𝑚𝑚 3.62𝑒𝑒𝑉𝑉

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  • Ge Transimpedance Amplified Photodetectors

    Thorlabs' Germanium-based Transimpedance Amplified Photodetectors feature a switchable gain setting housed in a compact, low-profile package. These detectors are sensitive to light in the NIR spectral region from 800 nm to 1800

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  • What is Germanium-based Semiconductor Detector - Definition

    2019/12/14· HPGe detector with LN2 cryostat Source: canberra.com Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy., as well as x-ray spectroscopy.

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  • Gamma and X-Ray Detection Introduction

    Gamma and X-Ray Detection Figure 1.1 Efficiency Calibration DETECTOR OVERVIEW The kinds of detectors commonly used can be categorized as: a. Gas-filled Detectors b. Scintillation Detectors c. Semiconductor Detectors The

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  • Germanium detector | Article about Germanium detector …

    Figure 1. Semiconductor detectors: (a) Si surface-barrier detector, (b) drift-type Ge-Li planar detector, (c) Ge-Li coaxial detector; (n) semiconductor region with n-type conductivity, (p) semiconductor region with p-type conductivity, (i) semiconductor region with intrinsic conductivity; the sensitive volume is indicated by hatching

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  • Why High Purity Germanium (HPGe) Radiation …

    High Purity Germanium Detector to determine the true cause of the radiation alarm. If vehicles, packages, or people were stopped every time an increased radiation level was detected, commerce would be halted and the resulting

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  • SAGe Small Anode Germanium Well Detector Data …

    2 SAGe Small Anode Germanium Well Detector MODELS AND SPECIFICATIONS SAGe Well is available in five different models which are identifiable by their active volume (see table below). There are four models with a 16 mm

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  • High Purity Germanium (HPGe) Radiation Detectors ...

    ORTEC provides a comprehensive suite of HPGe radiation detector solutions covering an extensive range of energies and for a variety of applications. Learn more about ORTEC's High Purity Germanium Radiation Detectors (HPGe

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  • Germanium/perovskite heterostructure for high …

    2019/11/21· The conduction and valence band edges for intrinsic perovskite (germanium) are 3.87 (4.13) eV and 5.45 (4.80) eV 40,41,42,43,44, respectively. There is a relatively high energy band difference ...

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  • Phoenix Scientific Sales find solutions for most any of …

    Intrinsic Germanium coaxial detectors in P-type and N-type IGC (P-type) Sizes form 10% to ~60KeV to 10MeV range all cryostat configurations available NIGC (N-type) sizes from 10% to 70% ~5kev (Be window) to 70% all

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  • Intrinsic germanium detectors used in a high counting …

    Nuclear Instruments and Methods 193 (1982) 57--61 57 North-Holland Publishing Company INTRINSIC GERMANIUM DETECTORS USED IN A HIGH COUNTING RATE SYSTEM F.L. ALLSWORTH, J.H. HOWES and G. WHITE This results in spectral degradation at high counting rates.

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  • Measurement of 55Fe in Reactor Samples by an …

    A high purity intrinsic germanium detector was used for counting the '"Fe tracer. for identifying an) Fig. I. u-Ray spectra of I) flat "Fe standard at shaping tlmes Results and Discussion Channel Iron-55 in reactor was optimized by ...

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  • Semiconductor detector - Wikipedia

    A semiconductor detector in ionizing radiation detection physics is a device that uses a semiconductor (usually silicon or germanium) to measure the effect of incident charged particles or photons. Semiconductor detectors find broad application for radiation protection, gamma and X-ray spectrometry, and as particle detectors.

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  • Détecteurs germanium hyper purs - Canberra Industries

    Description The conventional coaxial germanium detector is often referred to as Pure Ge, HPGe, Intrinsic Ge, or Hyperpure Ge. Regardless of the superlative used, the detector is basically a cylinder of germanium with an n-type ...

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  • Why High Purity Germanium (HPGe) Radiation …

    1 WHITE PAPER Why High-Purity Germanium (HPGe) Radiation Detection Technology is Superior to Other Detector Technologies for Isotope Identification Synopsis: High Purity Germanium (HPGe) is the only radiation detection

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  • Resolution of HpGe detectors vs Others ... Low Intrinsic ...

    2015/09/18· 1. We know the energy resolution of HpGe detectors is the best out there, better than NaI/TI and other detectors. 2. All radiation detectors have similarly low intrinsic efficiencies of much less ...

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  • Intrinsic efficiency of germanium - a basis for calculating ...

    A method is presented whereby the intrinsic efficiency of Ge is utilized to calculate the expected peak efficiency of detectors having a wide range of size Intrinsic efficiency of germanium - a basis for calculating expected detector efficiency - IEEE Journals & …

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  • Calibration of intrinsic peak efficiency of a high-purity ...

    Calibration of intrinsic peak efficiency of a high-purity germanium detector for X-ray energy of 5.48–302.85 keV Author links open overlay panel Kuan Ren a Jianhua Zheng a Tao Xu a Xilin Chen b Rongqing Yi a Lijun Diao b Kexin Wei b Zifeng Song a Huabing Du a Li Yao a Chaoguang Li a Jiyan Zhang a Jiamin Yang a Shenye Liu a Zhurong Cao a …

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  • On Two Cryogenic Systems of High Purity …

    2.1. HPGe Detector Germanium detectors are semiconductor diodes having a P-I-N structure in which the intrinsic region is sensitive to ionizing radiation, particularly X-rays and γ-rays. There are three types of reaction which

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  • Frontiers | The Search for Double Beta Decay With Germanium ...

    The intrinsic 208 cm 3 (~1.1 kg) Ge detector was operated in a salt mine near Windsor, Ontario, at a depth of about 330 m []. The detector was shielded with 20 cm of lead. In the final run, a 6-mm thick mercury shield was placed

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  • Intrinsic germanium detector efficiency calculations - …

    2020/04/20· Intrinsic germanium detector efficiency calculations Abstract: The efficiency of large high-purity germanium detectors has been studied through Monte Carlo simulation for gamma rays from 0.5 MeV to 20 MeV.

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  • Measurement of 55Fe in reactor samples by an intrinsic ...

    1988/12/31· by an Intrinsic Germanium Detector JAMES E. MARTIN, JAMES M. HYLKO and JOHN D. JONES School of Public Health, University of Michigan, Ann Arbor, Ml 48109.2092, U.S.A

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