89 citations · 169 across the 5 of their papers we have counts for
5 papers
Bound-state third-order optical nonlinearities of embedded germanium nanocrystals
Hasan Yildirim, Ceyhun Bulutay
Embedded germanium nanocrystals (NCs) in a silica host matrix are theoretically analyzed to identify their third-order bound-state nonlinearities. A rigorous atomistic pseudopotent…
Pathways of bond topology transitions at the interface of silicon nanocrystals and amorphous silica matrix
D. E. Yılmaz, C. Bulutay, T. Çağın
The interface chemistry of silicon nanocrystals (NCs) embedded in amorphous oxide matrix is studied through molecular dynamics simulations with the chemical environment described b…
Electronic Structure and Optical Properties of Silicon Nanocrystals along their Aggregation Stages
C. Bulutay
The structural control of silicon nanocrystals is an important technological problem. Typically a distribution of nanocrystal sizes and shapes emerges under the uncontrolled aggreg…
Auger recombination and carrier multiplication in embedded silicon and germanium nanocrystals
C. Sevik, C. Bulutay
For Si and Ge nanocrystals (NCs) embedded in wide band-gap matrices, Auger recombination (AR) and carrier multiplication (CM) lifetimes are computed exactly in a three-dimensional…
Interband, intraband and excited-state direct photon absorption of silicon and germanium nanocrystals embedded in a wide band-gap lattice
C. Bulutay
Embedded Si and Ge nanocrystals (NCs) in wide band-gap matrices are studied theoretically using an atomistic pseudopotential approach. From small clusters to large NCs containing o…