R
Ruoshi Sun
Researcher at Brown University
Publications - 25
Citations - 1138
Ruoshi Sun is an academic researcher from Brown University. The author has contributed to research in topics: Band gap & Pyrite. The author has an hindex of 14, co-authored 25 publications receiving 1026 citations. Previous affiliations of Ruoshi Sun include Massachusetts Institute of Technology & University of Illinois at Urbana–Champaign.
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Journal ArticleDOI
Coordination-dependent surface atomic contraction in nanocrystals revealed by coherent diffraction
TL;DR: It is shown that coherent diffraction patterns recorded from individual nanocrystals are very sensitive to the atomic structure of nanocrystal surfaces, indicating a coordination/facet dependence that markedly differentiates the structural dynamics of nanocystals from bulk crystalline surfaces.
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First-principles electronic structure and relative stability of pyrite and marcasite: Implications for photovoltaic performance
TL;DR: In this article, a density-functional theory was applied to examine the electronic structure, bulk, surface, and interfacial energies of pyrite and marcasite and the intrinsic surface states were found to be of ${d}{{z}^{2}}$ character, as expected from ligand field theory.
First-principles electronic structure and relative stability of pyrite and marcasite: Implications for photovoltaic performance
TL;DR: In this paper, a density-functional theory was used to examine the electronic structure, bulk, surface, and interfacial energies of pyrite and marcasite and concluded that the intrinsic surface states are not gap states but rather located at the conduction-band edge.
Journal ArticleDOI
Intrinsic stoichiometry and oxygen-induced p -type conductivity of pyrite FeS 2
TL;DR: In this article, the authors investigated the intrinsic stochastic properties of synthetic pyrite FeS{}_{2}$ thin films via first-principles computations of native (vacancies, interstitials, antisites) and extrinsic (O${}_{\mathrm{S}) point defects.
Proceedings ArticleDOI
Process flow innovations for photonic device integration in CMOS
M. Beals,Jurgen Michel,Jifeng Liu,Donghwan Ahn,Daniel K. Sparacin,Ruoshi Sun,Ching-yin Hong,Lionel C. Kimerling,Andrew Pomerene,Daniel N. Carothers,J. Beattie,Anthony Kopa,Alyssa B. Apsel,Mahmoud Rasras,Douglas M. Gill,S.S. Patel,Kun-Yii Tu,Y. K. Chen,Alice E. White +18 more
TL;DR: In this paper, the authors present the latest advances of the passive and active photonic devices developed and the processes used for monolithic integration with CMOS processing, including multilevel waveguides for optical filters, germanium epitaxy for active photodiodes and modulators.