1ST-PRINCIPLES SIMULATIONS OF INTRINSIC COLLISION CASCADES OF 23-EV AMU SI AND 5-EV AMU TI ATOMS IN SINGLE-CRYSTAL SI AND TI

A. Kuronen, J. Keinonen, Kimmo Kaski

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The slowing-down process of Ti atoms in crystalline Ti and Si atoms in crystalline Si is studied using the molecular-dynamics method. Based on an experimental technique available for studies of the slowing-down process of atoms at ultralow velocities in bulk matter, the initial recoil energy was 261 eV for Ti and 677 eV for Si atoms. The values correspond to the energies imparted after the thermal neutron capture by primary γ rays. The effect of the crystalline structure on the slowing-down process is studied by calculating the energy distribution of the Doppler-shifted secondary γ rays emitted by the recoiling nuclei. The dependence of the distribution on the interatomic potential used in the simulations is also investigated.
Original languageEnglish
Pages (from-to)3766-3773
JournalPhysical Review B
Volume49
Issue number6
DOIs
Publication statusPublished - 1994
MoE publication typeA1 Journal article-refereed

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