Question

which metal used in xray Detector​

Answer 1

Answer:

Amorphous selenium

Amorphous selenium is used in commercial large area flat panel X-ray detectors for mammography and general radiography due to its high spatial resolution and x-ray absorbing properties. However Selenium's low atomic number means a thick layer is required to achieve sufficient sensitivity.

Answer 2

Answer:

Flat-panel X-ray detectors are currently based either on the direct-conversion method using amorphous selenium (a semiconductor), or on the indirect-conversion method, which uses the luminescent material caesium iodide (CsI).

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