Detail publikace

Catalyst–substrate interaction and growth delay in vapor–liquid–solid nanowire growth

KOLÍBAL, M. PEJCHAL, T. MUSÁLEK, T. ŠIKOLA, T.

Originální název

Catalyst–substrate interaction and growth delay in vapor–liquid–solid nanowire growth

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Understanding of the initial stage of nanowire growth on a bulk substrate is crucial for the rational design of nanowire building blocks in future electronic and optoelectronic devices. Here, we provide in situ scanning electron microscopy and Auger microscopy analysis of the initial stage of Au-catalyzed Ge nanowire growth on different substrates. Real-time microscopy imaging and elementally resolved spectroscopy clearly show that the catalyst dissolves the underlying substrate if held above a certain temperature. If the substrate dissolution is blocked (or in the case of heteroepitaxy) the catalyst needs to be filled with nanowire material from the external supply, which significantly increases the initial growth delay. The experiments presented here reveal the important role of the substrate in metal-catalyzed nanowire growth and pave the way for different growth delay mitigation strategies.

Klíčová slova

nanowire, Ge, vapor–liquid–solid growth, MBE, nucleation, incubation time

Autoři

KOLÍBAL, M.; PEJCHAL, T.; MUSÁLEK, T.; ŠIKOLA, T.

Vydáno

26. 3. 2018

Nakladatel

IOP Publishing

ISSN

0957-4484

Periodikum

NANOTECHNOLOGY

Ročník

29

Číslo

20

Stát

Spojené království Velké Británie a Severního Irska

Strany od

1

Strany do

7

Strany počet

7

URL

http://iopscience.iop.org/article/10.1088/1361-6528/aab474

Plný text v Digitální knihovně

http://hdl.handle.net/11012/138388

BibTex

@article{BUT146811,
  author="Miroslav {Kolíbal} and Tomáš {Pejchal} and Tomáš {Musálek} and Tomáš {Šikola}",
  title="Catalyst–substrate interaction and growth delay in vapor–liquid–solid nanowire growth",
  journal="NANOTECHNOLOGY",
  year="2018",
  volume="29",
  number="20",
  pages="1--7",
  doi="10.1088/1361-6528/aab474",
  issn="0957-4484",
  url="http://iopscience.iop.org/article/10.1088/1361-6528/aab474"
}