Coaxial Detectors from High Purity Germanium

Marler, J. M.; Hewka, P. V.

doi:10.1109/tns.1974.4327473

Cited by 10 publications

(4 citation statements)

References 3 publications

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“…The data is compiled from published papers that we believe provide information on the largest high-purity Ge detectors available at the time. [2][3][4][5][6][7] It is interesting to note that the detector size seems to increase roughly linearly with time. If this trend continues, we will see detectors with volume of 1-liter in a few years!…”

Section: Ge Detectorsmentioning

confidence: 99%

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Recent developments in semiconductor gamma-ray detectors

Luke

Amman

Tindall

et al. 2005

J Radioanal Nucl Chem

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The successful development of lithium-drifted Ge detectors in the 1960's marked the beginning of the significant use of semiconductor crystals for direct detection and spectroscopy of gamma rays. In the 1970's, high-purity Ge became available, which enabled the production of complex detectors and multi-detector systems. In the following decades, the technology of semiconductor gamma-ray detectors continued to advance, with significant developments not only in Ge detectors but also in Si detectors and roomtemperature compound-semiconductor detectors. In recent years, our group at Lawrence Berkeley National Laboratory has developed a variety of gamma ray detectors based on these semiconductor materials. Examples include Ge strip detectors, lithium-drifted Si strip detectors, and coplanar-grid CdZnTe detectors. These advances provide new capabilities in the measurement of gamma rays, such as the ability to perform imaging and the realization of highly compact spectroscopy systems.

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Section: Ge Detectorsmentioning

confidence: 99%

“…Fig. 8 shows the very large improvement in spectral response that is achieved using the coplanar-grid technique for a 1 cm 3 CdZnTe detector. Although the energy resolution is still significantly worse than Ge, it is several times better than that of scintillation detectors.…”

Section: Cdznte Detectorsmentioning

confidence: 99%

Recent developments in semiconductor gamma-ray detectors

Luke

Amman

Tindall

et al. 2005

J Radioanal Nucl Chem

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“…On the other hand, improper surface preparation may lead to surface channels behaving like dead layers and resulting in charge collection losses [51], The first coaxial high purity germanium detector (5.6 cm 3 ) was fabricated twenty years ago [52], Its resolution for 1.33 MeV γ-rays was 2 keV. With the constant improvement in material fabrication [53,54] detectors of more than 250 cm 3 sensitive volume have now become commercially available with comparable energy resolution. Coaxial as well as planar high volume structures are manufactured [55] with diameters reaching 70-80 mm.…”

Section: High-purity Germanium Detectorsmentioning

confidence: 99%

3 Semiconductor Detectors

1997

Experimental Techniques in Nuclear Physics

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A. Sensitive region and charge collection 89 B. Detector materials 93 III. Germanium detectors 94 A. Lithium-drifted germanium detectors 94 B. Gamma-compensated germanium detectors 95 C. High-purity germanium detectors 95 D. Timing properties of germanium detectors 97 E. Radiation damage in germanium detectors 98 F. Temperature behaviour 98 IV. Silicon detectors 99 A. Silicon surface barriers and p-n junctions 99 B. Lithium-drifted silicon detectors 102 C. Position sensitive silicon detectors 103 D. Radiation damage in silicon detectors 106 E. Amorphous silicon detectors 108 V. Exotic materials 108 A. Cadmium telluride 109 B. Mercuric iodide 109 VI. Conclusion References 110

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“…The magnitude of the volume charge in the sensitive volume of crystal depends on these impurities. The electric field in coaxial detector from HPGe with regards to the impurities will be [4] :…”

Section: Introductionmentioning

confidence: 99%

Germanium detector with an internal amplification for investigating rare processes

Старостин¹,

Beda²

2000

Phys. Atom. Nuclei

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Device of new type is suggested -germanium detector with internal amplification.Such detector having effective threshold about 10 eV opens up fresh opportunity for investigation of dark matter, measurement of neutrino magnet moment, of neutrino coherent scattering at nuclei and for study of solar neutrino problem. Construction of germanium detector with internal amplification and perspectives of its use are described.

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Coaxial Detectors from High Purity Germanium

Cited by 10 publications

References 3 publications

Recent developments in semiconductor gamma-ray detectors

Recent developments in semiconductor gamma-ray detectors

3 Semiconductor Detectors

Germanium detector with an internal amplification for investigating rare processes

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