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Zawartość zarchiwizowana w dniu 2024-04-30

Quantum Monte Carlo calculations of electronic properties of surfaces

Cel



Scanning tunnelling microscopy (STM) is a powerful technique for imaging and manipulating surface structure on an atomic scale and is finding novel applications in nano-scale technology. An accurate description of the surface potential barrier is essential for a detailed understanding of STM and related surface spectroscopies. At present such a description does not exist.
We propose to apply a new approach based on quantum Monte Carlo to the above problem.
Our aim is to adapt the quantum Monte Carlo methods developed in the host group to surface geometries and perform full many-body calculations of the surface barrier of Si and A1, and the tunnelling barrier between a metallic tip and the A1(111) surface. We intend to investigate, from the first-principles, the effect of the three-dimensional barrier on tunnelling currents in STM.

Dziedzina nauki (EuroSciVoc)

Program(-y)

Temat(-y)

Zaproszenie do składania wniosków

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System finansowania

RGI - Research grants (individual fellowships)

Koordynator

Imperial College of Science, Technology and Medicine
Wkład UE
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Adres
Blackett Laboratory Prince Consort Road
SW7 2BZ London
Zjednoczone Królestwo
Koszt całkowity
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Uczestnicy (1)