| 摘要 |
A photo-conductor layer for constituting a radiation imaging panel, which photo-conductor layer is capable of recording radiation image information as an electrostatic latent image, contains a polycrystal constituted of BixMOy, in which M represents at least one kind of element selected from the group consisting of Ge, Si, and Ti, x represents a number satisfying the condition 12.05<=x<=13.1, and y represents a stoichiometric oxygen atom number determined by M and x. The photo-conductor layer has a high sensitivity.
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