Dimer and String Formation during Low Temperature Silicon Deposition on Si(100) | Zendy

A. P. Smith | Zendy; Hannes Jónsson | Zendy

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Dimer and String Formation during Low Temperature Silicon Deposition on Si(100)

Author(s) -

A. P. Smith,

Hannes Jónsson

Publication year - 1996

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.77.1326

Subject(s) - dimer , scanning tunneling microscope , silicon , substrate (aquarium) , diffusion , materials science , deposition (geology) , quantum tunnelling , chemical physics , density functional theory , molecular physics , kinetic monte carlo , condensed matter physics , monte carlo method , nanotechnology , physics , chemistry , computational chemistry , thermodynamics , optoelectronics , nuclear magnetic resonance , paleontology , oceanography , statistics , mathematics , sediment , geology , biology

We present theoretical results based on density functional theory and kinetic Monte Carlo simulations of silicon deposition and address observations made in recently reported low temperature scanning tunneling microscopy studies. A mechanism is presented which explains dimer formation on top of the substrate’s dimer rows at 160 K and up to room temperature, while between-row dimers and longer strings of adatoms (“diluted dimer rows”) form at higher temperature. A crossover occurs at around room temperature between two different mechanisms for adatom diffusion in our model. [S0031-9007(96)00849-6]

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