Nano-sized surface modifications induced by the impact of slow highly charged ions - a first review

Aumayr, F. (Inst. fur Allgemeine Phys., Tech. Univ. Wien, Vienna, Austria); El-Said, A.S.; Meissl, W.

Source: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v 266, n 12-13, June 2008, 2729-35

Publisher: Elsevier Science B.V., Netherlands

Abstract: Irradiation of crystalline solid targets with swift heavy ions can lead to the formation of latent tracks in the solid and the creation of (mostly-hillock type) nanostructures on the surface. Recently similar surface modifications with nanometer dimensions have been demonstrated for the impact of individual, very slow but highly charged ions on various surfaces. We will review the current state of this new field of research. In particular we will discuss the circumstances and conditions under which nano-sized features (hillocks or craters) on different surfaces due to impact of slow highly charged ions can be produced. The use of slow highly charged ions instead of swift heavy ions might be of considerable interest for some practical applications. [All rights reserved Elsevier]. (56 refs.)

 terms:  ion beam effects  -  ion-surface impact  -  nanostructured materials