Bi(12)MO(20) based Photo-conductor, radiation detector, and radiation imaging panel

摘要

Aphoto-conductor (2, 14) for constituting a radiation detector (1) is formed so as tobe substantially freefroma ghost and an alteration of contrast due to a decrease in sensitivity. The photo-conductor (2, 14), which is capable of forming electric charges by being exposed to radiation, contains Bi₁₂MO₂₀, in which M represents at least one kind of element selected from the group consisting of Ge, Si, and Ti. The photo-conductor (2, 14) has characteristics such that a proportion of a diffuse reflectivity at a wavelength of 450nm with respect to the diffuse reflectivity at a wavelength of 600nm is equal to at least 75%, or such that a linear absorption coefficient at a wavelength of 450nm is equal to at most 10cm^-1.