X-Ray-Induced Bulk Photovoltaic Effect in Insulators.
When an insulator, sandwiched between metals of dissimilar work functions, is irradiated with x-radiation, a voltage related to the contact potential difference of the metals is observed. This phenomenon, known as the bulk photovoltaic effect, has been demonstrated in a variety of metal-insulator-metal combinations. Evidence that the voltage is not generated by junctions, barrier layers, or simillar other phenomena is presented.
Taimuty
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Feinstein
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Softky
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