The problem of an accurate ion-solid interaction potential is one of the basic problems in description of the ion-solid interaction . It has been shown how one can construct the universal rainbow channeling proton-crystal interaction potential . It has been done by modifying the Moliere’s interaction potential applying the crystal rainbow theory [3, 4]. This potential merges the ZBL potential, for the small impact parameters, and the Molière's potential, with the Thomas-Fermi radius, for the large impact parameters. The accuracy of the obtain interaction potential should be investigated in a series of high resolution transmission channeling experiments for different proton-crystal combinations. Further, application of the presented rainbow morphological method for 5 keV protons transmitted through a graphene  and generally through 2D materials has been disused.
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