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Heteroepitaxial growth of CZTS
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), 2014A summary of preparation methods of various substrates suitable for the epitaxial growth of copper zinc tin sulfide (CZTS) via molecular beam epitaxy (MBE) is presented. Substrates evaluated include silicon (various orientations), ZnS(110), Al 2 O 3 (0001), and gallium phosphide (GaP) (100). An overview of the techniques used to prepare a high-quality,
Steven P. Harvey +5 more
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The use of a CZT detector with robotic systems
Applied Radiation and Isotopes, 2020This work is focused on the use of a CZT detector for a radiation mapping with an industrial robotic arm. Measurements were carried out within the RadioRoSo experiment (Radioactive Waste Robotic Sorter), under the umbrella of EU FP7 project ECHORD++.
Anna Selivanova +10 more
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Software: Practice and Experience, 2011
AbstractCommunity Z Tools (CZT) is an open‐source Java framework for building formal methods tools for the specification language Z and extensions of Z. This paper gives an overview of CZT: its history, architecture, and development process. Extensibility is core to CZT and the main aims of this paper are to encourage and enable formal methods tool ...
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AbstractCommunity Z Tools (CZT) is an open‐source Java framework for building formal methods tools for the specification language Z and extensions of Z. This paper gives an overview of CZT: its history, architecture, and development process. Extensibility is core to CZT and the main aims of this paper are to encourage and enable formal methods tool ...
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Hierarchical microstructures in CZT
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2011Advanced characterization tools, such as electron backscatter diffraction and transmitted IR microscopy, are being applied to study critical microstructural features and orientation relations in as-grown CZT crystals to aid in understanding the relation between structure and properties in radiation detectors.
S.K. Sundaram +7 more
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System identification for the ECG using CZT
Computers and Biomedical Research, 1992A new approach for extraction of clinically useful parameters from the ECG signal is presented using the system identification technique of CZT on the DCT-transformed signal. A one to one relationship between the model singularities and the significant points in the time signal is arrived at.
Niranjan, UC, Murthy, ISN
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Astrophysics and Space Science, 2001
DSRI has initiated a development program of CZT X-ray and gamma ray detectors employing strip readout techniques. A dramatic improvement of the energy response was found operating the detectors as so-called drift detectors. For the electronic readout, modern ASIC chips were investigated. Modular design and the low power electronics will make large area
C. Budtz-Jørgensen +6 more
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DSRI has initiated a development program of CZT X-ray and gamma ray detectors employing strip readout techniques. A dramatic improvement of the energy response was found operating the detectors as so-called drift detectors. For the electronic readout, modern ASIC chips were investigated. Modular design and the low power electronics will make large area
C. Budtz-Jørgensen +6 more
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2018 International Semiconductor Conference (CAS), 2018
Two heterojunctions based on CU2ZnSnS4 were obtained as thin films, on FTO glass, by spray pyrolysis deposition. The choice of the n-type layer (TiO2 or ZnO) has impacted the nucleation and growth of the CZTS layers deposited on top. Crystalline thin films were obtained with drastically different morphologies.
M. Covei +4 more
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Two heterojunctions based on CU2ZnSnS4 were obtained as thin films, on FTO glass, by spray pyrolysis deposition. The choice of the n-type layer (TiO2 or ZnO) has impacted the nucleation and growth of the CZTS layers deposited on top. Crystalline thin films were obtained with drastically different morphologies.
M. Covei +4 more
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Fano Factor Determination For CZT
MRS Proceedings, 1997AbstractContinued improvements in the manufacturing of Cd1−xZnxTe (CZT) material have resulted in a practical thermoelectrically cooled X-ray and gamma-ray detector of very high energy resolution. A high resolution spectroscopy system was used to measure the Fano factor in CZT at temperatures down to -40°C.
R. H. Redus +5 more
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Studies of CZT for PET Applications
IEEE Nuclear Science Symposium Conference Record, 2005, 2006CdZnTe (CZT) has been investigated by several researchers as a detector material for positron emission tomography (PET) applications. CZT detectors can be manufactured into 1 cm3 or larger detectors with pixelated anodes, providing high spatial resolution at the 1 mm level or smaller.
P. Vaska +7 more
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Resistivity simulation of CZT materials
Journal of Crystal Growth, 1999Abstract Defects and the relations with the levels introduced in the gap are among the toughest remaining problems in II–VI semiconductors. Up to now, more than 30 levels have been detected without any clear identification and assignation for most of them. PICTS, TEES and TSC are well suited for such investigation, but not complete.
A Zumbiehl +8 more
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