Metal bead crystals for easy heating by direct current | Zendy

Bert Voigtländer | Zendy; Vasily Cherepanov | Zendy; Christa Elsaesser | Zendy; U. Linke | Zendy

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Metal bead crystals for easy heating by direct current

Author(s) -

Bert Voigtländer,

Vasily Cherepanov,

Christa Elsaesser,

U. Linke

Publication year - 2008

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.2894302

Subject(s) - materials science , bead , crystal (programming language) , metal , single crystal , auger electron spectroscopy , sputtering , auger , scanning tunneling microscope , nanotechnology , crystallography , composite material , metallurgy , thin film , chemistry , physics , atomic physics , computer science , nuclear physics , programming language

The preparation of metal bead crystals with two wires attached to the crystal is described. These crystals allow for a very easy and efficient method to heat metal single crystals by direct current heating through the connecting wires of the bead crystal. This heating of the bead crystal is sufficient to clean metal surfaces such as the surfaces of Pt and Au as confirmed by Auger spectroscopy and scanning tunneling microscopy (STM). There is no need for any ion sputtering which is conventionally used to clean metal single crystal surfaces. The bead crystals with two leads fabricated from a wide range metals and metal alloys such as Cu, Mo, Ru, Rh, Pd, Ag, Ta, W, Re, Ir, Pt, Au, PtPd, PtRh, AuAg, and PtIr can be used as general purpose metal substrates for surface science studies and other applications. Additionally, these bead crystals can be used to reshape STM tips by indentation of the tip into the soft metal in order to recover atomic resolution imaging on hard substrates

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