Detail publikace

Programmable set-up for electrochemical preparation of STM tips and ultra-sharp field emission cathodes

KNÁPEK, A. SÝKORA, J. CHLUMSKÁ, J. SOBOLA, D.

Originální název

Programmable set-up for electrochemical preparation of STM tips and ultra-sharp field emission cathodes

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper describes a newly designed set-upwhich is intended for automated preparation both for STMtips and for ultra-sharp field emission cathodes made of polycrystalline and single crystal tungsten in laboratory conditions. The newly designed set-up incorporates electrochemical etching of a wire in the surface layer of an electrolyte and also the so called drop-off method which consists of two steps and requires more precise wire and current setting. Additionally, the method was extended for polycrystalline wires of tungsten using a special cut-off algorithm, which dealswith variable etching speed for various crystallographic orientation of the current grain. Produced tips are examined using scanning low energy electron microscopy as for the surface and by the occurrence of electron field-emission as for the geometry based on the Fowler-Nordheim analysis. STM performance of the produced tip is discussed and examined as well.

Klíčová slova

Field emission cathode, STM tip, electrochemical etching

Autoři

KNÁPEK, A.; SÝKORA, J.; CHLUMSKÁ, J.; SOBOLA, D.

Vydáno

1. 4. 2017

Nakladatel

ELSEVIER

ISSN

0167-9317

Periodikum

MICROELECTRONIC ENGINEERING

Číslo

173

Stát

Nizozemsko

Strany od

42

Strany do

47

Strany počet

6

URL

https://www.sciencedirect.com/science/article/pii/S0167931717301302

BibTex

@article{BUT135121,
  author="Alexandr {Knápek} and Jiří {Sýkora} and Jana {Chlumská} and Dinara {Sobola}",
  title="Programmable set-up for electrochemical preparation of STM tips and ultra-sharp field emission cathodes",
  journal="MICROELECTRONIC ENGINEERING",
  year="2017",
  number="173",
  pages="42--47",
  doi="10.1016/j.mee.2017.04.002",
  issn="0167-9317",
  url="https://www.sciencedirect.com/science/article/pii/S0167931717301302"
}