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Elsevier, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1-2(546), p. 140-147

DOI: 10.1016/j.nima.2005.03.110

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State of the art on epitaxial GaAs detectors

Journal article published in 2005 by G. C. Sun, N. Mañez, M. Zazoui ORCID, A. Al Ajili, D. W. Davidson, V. O’Shea, F. Quarati, K. M. Smith, D. Chambellan, O. Gal, P.-H. Pillot, M. Lenoir, J. P. Montagne, A. Bchetnia, J. C. Bourgoin
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We first briefly review the performances for X-ray detection which are obtained using thin epitaxial GaAs layers. We then show that good detectors can be realized on thick and large area epitaxial GaAs layers which are now available, making them suitable for X-ray imaging. We finally discuss the main limitation imposed by the epitaxial nature of this new material and ways to overcome it.