Amorphous-semiconductor-contact germanium-based detectors for gamma-ray imaging and spectroscopy

被引：44

作者：

Amman, M. ^{[1
]}

Luke, P. N.

Boggs, S. E.

机构：

[1] Univ Calif Berkeley, Ernest Orlando Lawrence Berkeley Nat Lab, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 579卷 / 02期

基金：

美国国家航空航天局;

关键词：

gamma-ray imaging; gamma-ray spectroscopy; Germanium detector; orthogonal strip; position sensing;

D O I：

10.1016/j.nima.2007.05.307

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Germanium-based detectors are the standard technology used for gamma-ray spectroscopy when high efficiency and excellent energy resolution are desired. By dividing the electrical contacts on these detectors into segments, the locations of the gamma-ray interaction events within the detectors can be determined as well as the deposited energies. This enables simultaneous gamma-ray imaging and spectroscopy and leads to applications in the areas of astronomy, nuclear physics, environmental remediation, nuclear nonproliferation, and homeland security. Producing the fine-pitched electrode segmentation often required for imaging has been problematic in the past. To address this issue, we have developed an amorphous-semiconductor contact technology. Using this technology, fully passivated detectors with closely spaced contacts can be produced using a simple fabrication process. The current state of the amorphous-semiconductor contact technology and the challenges that remain are given in this paper. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：886 / 890

页数：5

共 18 条

[1] Three-dimensional position sensing and field shaping in orthogonal-strip germanium gamma-ray detectors [J].

Amman, M ;

Luke, PN .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2000, 452 (1-2) :155-166

[2] Position-sensitive germanium detectors for gamma-ray imaging and spectroscopy [J].

Amman, M ;

Luke, PN .

HARD X-RAY GAMMA-RAY AND NEUTRON DETECTOR PHYSICS II, 2000, 4141 :144-156

[3]

Ashcroft N. W., 1976, SOLID STATE PHYS, P363

[4] Overview of the nuclear Compton telescope [J].

Boggs, SE ;

Coburn, W ;

Smith, DM ;

Bowen, JD ;

Jean, P ;

Kregenow, JM ;

Lin, RP ;

von Ballmoos, P .

NEW ASTRONOMY REVIEWS, 2004, 48 (1-4) :251-255

[5] Pre-flight calibration of the prototype Nuclear Compton Telescope [J].

Bowen, Jason D. ;

Bandstra, Mark E. ;

Boggs, Steven E. ;

Coburn, Wayne ;

Wunderer, Cornelia B. ;

Lin, Robert P. ;

Amman, Mark ;

Luke, Paul N. ;

Burks, Morgan T. ;

Craig, William ;

Madden, Norman W. ;

Smith, David M. ;

von Ballmoos, Peter ;

Jean, Pierre .

SPACE TELESCOPES AND INSTRUMENTATION II: ULTRAVIOLET TO GAMMA RAY, PTS 1 AND 2, 2006, 6266

[6] AMORPHOUS-GERMANIUM AS AN ELECTRON OR HOLE BLOCKING CONTACT ON HIGH-PURITY GERMANIUM DETECTORS [J].

HANSEN, WL ;

HALLER, EE .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1977, 24 (01) :61-63

[7] Amorphous germanium contacts on germanium detectors [J].

Hull, EL ;

Pehl, RH .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2005, 538 (1-3) :651-656

[8] A 140-ELEMENT GE DETECTOR FABRICATED WITH AMORPHOUS-GE BLOCKING CONTACTS [J].

LUKE, PN ;

PEHL, RH ;

DILMANIAN, FA .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1994, 41 (04) :976-978

[9] GOLD-MASK TECHNIQUE FOR FABRICATING SEGMENTED-ELECTRODE GERMANIUM DETECTORS [J].

LUKE, PN .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1984, 31 (01) :312-315

[10] AMORPHOUS-GE BIPOLAR BLOCKING CONTACTS ON GE DETECTORS [J].

LUKE, PN ;

CORK, CP ;

MADDEN, NW ;

ROSSINGTON, CS ;

WESELA, MF .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1992, 39 (04) :590-594

← 1 2 →