Pathways to exotic metastable silicon allotropes

B Haberl, TA Strobel, JE Bradby - Applied Physics Reviews, 2016 - pubs.aip.org
Our economy consistently pushes for the development of increasingly complex materials to
meet the demands of high-efficiency energy conversion and high-performance engineering …

Synthesis of an open-framework allotrope of silicon

DY Kim, S Stefanoski, OO Kurakevych, TA Strobel - Nature materials, 2015 - nature.com
Silicon is ubiquitous in contemporary technology. The most stable form of silicon at ambient
conditions takes on the structure of diamond (cF8, d-Si) and is an indirect bandgap …

A review on metastable silicon allotropes

L Fan, D Yang, D Li - Materials, 2021 - mdpi.com
Diamond cubic silicon is widely used for electronic applications, integrated circuits, and
photovoltaics, due to its high abundance, nontoxicity, and outstanding physicochemical …

Complex low energy tetrahedral polymorphs of group IV elements from first principles

C He, X Shi, SJ Clark, J Li, CJ Pickard, T Ouyang… - Physical Review Letters, 2018 - APS
The energy landscape of carbon is exceedingly complex, hosting diverse and important
metastable phases, including diamond, fullerenes, nanotubes, and graphene. Searching for …

Tetragonal allotrope of group 14 elements

Z Zhao, F Tian, X Dong, Q Li, Q Wang… - Journal of the …, 2012 - ACS Publications
Group 14 elements (C, Si, and Ge) exist as various stable and metastable allotropes, some
of which have been widely applied in industry. The discovery of new allotropes of these …

Experimental evidence of new tetragonal polymorphs of silicon formed through ultrafast laser-induced confined microexplosion

L Rapp, B Haberl, CJ Pickard, JE Bradby… - Nature …, 2015 - nature.com
Ordinary materials can transform into novel phases at extraordinary high pressure and
temperature. The recently developed method of ultrashort laser-induced confined …

Low-energy silicon allotropes with strong absorption in the visible for photovoltaic applications

S Botti, JA Flores-Livas, M Amsler, S Goedecker… - Physical Review B …, 2012 - APS
We present state-of-the-art first-principles calculations of the electronic and optical
properties of silicon allotropes with interesting characteristics for applications in thin-film …

Low-energy tetrahedral polymorphs of carbon, silicon, and germanium

A Mujica, CJ Pickard, RJ Needs - Physical Review B, 2015 - APS
Searches for low-energy tetrahedral polymorphs of carbon and silicon have been performed
using density functional theory computations and the ab initio random structure searching …

[HTML][HTML] Novel silicon phases and nanostructures for solar energy conversion

S Wippermann, Y He, M Vörös, G Galli - Applied Physics Reviews, 2016 - pubs.aip.org
Silicon exhibits a large variety of different bulk phases, allotropes, and composite structures,
such as, eg, clathrates or nanostructures, at both higher and lower densities compared with …

Low-density silicon allotropes for photovoltaic applications

M Amsler, S Botti, MAL Marques, TJ Lenosky… - Physical Review B, 2015 - APS
Silicon materials play a key role in many technologically relevant fields, ranging from the
electronic to the photovoltaic industry. A systematic search for silicon allotropes was …