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Proposal for a new room temperature X-ray detector-thallium lead iodide

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1 Author(s)
Kocsis, M. ; Eur. Synchrotron Radiat. Facility, Grenoble, France

Numerous compounds have been considered for room temperature semiconductor detector applications. Most of them however are difficult to obtain as crystals and to handle. TlPbI3 is a promising candidate, because it forms rhombohedral crystals which do not have a structural phase transition between room temperature and their melting point. Its low vapour pressure facilitates the crystal growth and it has a low melting point (619 K), high Z, high density (6.6 g/cm3), and a bandgap of 2.3 eV. X-ray photoconductivity measurements indicate that this material can be used in room temperature solid state detectors

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Nuclear Science, IEEE Transactions on  (Volume:47 ,  Issue: 6 )