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Journal Articles Matter and Radiation at Extremes Year : 2022

On the possibility of ultrafast KOSSEL diffraction

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Abstract

We discuss the possibility of realizing time-resolved Kossel diffraction experiments for providing indications on the crystalline order or on the periodic structure of a material. We make use of the interaction of a short, ultra-intense laser pulses with a solid target which generates short bursts of hot electrons. Penetrating inside a layered sample (i.e. a crystal or an artificial multi-layer material), these electrons ionize inner-shell electrons so that the subsequent radiative filling of K-shell vacancies results in a strong Kα emission which is enhanced in the Bragg directions corresponding to the period of the material. We present simulations of the angle-resolved Kα emission which displays the so-called Kossel patterns around the Bragg angles. Then, we discuss possible experiments appropriate for laser facilities delivering short and intense pulses.
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Dates and versions

hal-03697979 , version 1 (17-06-2022)

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  • HAL Id : hal-03697979 , version 1

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Olivier Peyrusse. On the possibility of ultrafast KOSSEL diffraction. Matter and Radiation at Extremes, 2022. ⟨hal-03697979⟩

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