Tesi etd-04042008-103251 |
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Tipo di tesi
Tesi di dottorato di ricerca
Autore
TANTUSSI, FRANCESCO
URN
etd-04042008-103251
Titolo
Surface nano-structuring with neutral cold Cesium atoms
Settore scientifico disciplinare
FIS/03
Corso di studi
FISICA APPLICATA
Relatori
Relatore Arimondo, Ennio
Relatore Fuso, Francesco
Relatore Fuso, Francesco
Parole chiave
- nanolithography
- HOPG
- cesium
- Atomic nano fabrication
- Atom cooling
- Self assembled monolayer
- STM
Data inizio appello
08/04/2008
Consultabilità
Non consultabile
Data di rilascio
08/04/2048
Riassunto
By the deposition of a cold Cesium
atomic beam, we pattern nanostructures in a controlled way by a
1dimension Standing Wave. Different substrates as graphite, gold,
silicon have been used with direct deposition or by resist assisted atom lithography. One of the main efforts of the experiment
is using cold atoms generated by a Magneto Optical Trap, and,
investigate the sample ex-situ (after resist assisted deposition)
or in vacuum by STM. The deposition of ultra cold atoms is
important not only for studies cooling mechanisms and
nanolithography limits but also became a new challenge for the
surface physics to explore the dynamics of a single atom over a
substrate.
atomic beam, we pattern nanostructures in a controlled way by a
1dimension Standing Wave. Different substrates as graphite, gold,
silicon have been used with direct deposition or by resist assisted atom lithography. One of the main efforts of the experiment
is using cold atoms generated by a Magneto Optical Trap, and,
investigate the sample ex-situ (after resist assisted deposition)
or in vacuum by STM. The deposition of ultra cold atoms is
important not only for studies cooling mechanisms and
nanolithography limits but also became a new challenge for the
surface physics to explore the dynamics of a single atom over a
substrate.
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