Show simple item record

dc.creatorMajkic, M. D.
dc.creatorNedeljkovic, N. N.
dc.creatorDojčilović, Radovan
dc.date.accessioned2018-03-01T17:54:16Z
dc.date.available2018-03-01T17:54:16Z
dc.date.issued2017
dc.identifier.issn2053-1591 (print)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/1766
dc.description.abstractWe consider the slow highly charged ions impinging upon a metal surface covered with a thin dielectric film, and formation of the surface nanostructures (craters) from the standpoint of the required energy. For the moderate ionic velocities, the size of the surface features depends on the deposited kinetic energy of the projectile and the ionic neutralization energy. The neutralization energy is calculated by employing the recently developed quasi-resonant two-state vector model for the intermediate Rydberg state population and the micro-staircase model for the cascade neutralization. The electron interactions with the ionic core, polarized dielectric and charge induced on the metal surface are modelled by the appropriate asymptotic expressions and the method for calculation of the effective ionic charges in the dielectric is proposed. The results are presented for the interaction of XeZ+ ions (velocity v = 0.25 a.u.; 25 LT Z LT 45) with the metal surface (Co) covered with a thin dielectric film, for model values of dielectric constant inside the interaction region. In the absence of dielectric film, the neutralization energy is lower than the potential (ionization) energy due to the incomplete neutralization. The presence of dielectric film additionally decreases the neutralization energy. We calculate the projectile neutralization energy in the perturbed dielectric (perturbation is caused by the ionic motion and the surface structure formation). We correlate the neutralization energy added to the deposited kinetic energy with the experimentally obtained energy necessary for the formation of the nano-crater of a given depth.en
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45020/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172056/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171016/RS//
dc.rightsrestrictedAccessen
dc.sourceMaterials Research Expressen
dc.subjectRydberg statesen
dc.subjecthighly charged ionsen
dc.subjectsurface nanostructuresen
dc.subjectneutralization energyen
dc.titleInteraction of slow highly charged ions with a metal surface covered with a thin dielectric film. The role of the neutralization energy in the nanostructures formationen
dc.typearticleen
dcterms.abstractМајкиц, М. Д.; Дојчиловић Радован; Недељковиц, Н. Н.;
dc.citation.volume4
dc.citation.issue9
dc.identifier.wos000412225300003
dc.identifier.doi10.1088/2053-1591/aa8bc7
dc.citation.otherArticle Number: 095027
dc.identifier.scopus2-s2.0-85030660817


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record