Publications (4)
AC-coupled GaAs microstrip detectors with a new type of integrated bias resistors
R. Irsigler, R. Geppert, R. Goeppert +8
Full size single-sided GaAs microstrip detectors with integrated coupling capacitors and bias resistors have been fabricated on 3'' substrate wafers. PECVD deposited SiO_2 and SiO_…
Analysis of Trapping and Detrapping in Semi-Insulating GaAs Detectors
M. Rogalla, Th. Eich, N. Evans +7
To investigate the trapping and detrapping in SI-GaAs particle detectors we analyzed the signals caused by 5.48 MeV alpha particles with a charge sensitive preamplifier. From the b…
Radiation damage to neutron and proton irradiated GaAs particle detectors
M. Rogalla, Th. Eich, N. Evans +8
The radiation damage in 200 um thick Schottky diodes made on semi-insulating (SI) undoped GaAs Liquid Encapsulated Czochralski (LEC) bulk material with resistivities between 0.4 an…
Radiation studies for GaAs in the ATLAS Inner Detector
M. Rogalla, Th. Eich, N. Evans +6
We estimate the hardness factors and the equivalent 1 MeV neutron fluences for hadrons fluences expected at the GaAs positions wheels in the ATLAS Inner Detector. On this basis the…