Pathways to exotic metastable silicon allotropes
Our economy consistently pushes for the development of increasingly complex materials to
meet the demands of high-efficiency energy conversion and high-performance engineering …
meet the demands of high-efficiency energy conversion and high-performance engineering …
Synthesis of an open-framework allotrope of silicon
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 …
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 …
photovoltaics, due to its high abundance, nontoxicity, and outstanding physicochemical …
Complex low energy tetrahedral polymorphs of group IV elements from first principles
The energy landscape of carbon is exceedingly complex, hosting diverse and important
metastable phases, including diamond, fullerenes, nanotubes, and graphene. Searching for …
metastable phases, including diamond, fullerenes, nanotubes, and graphene. Searching for …
Tetragonal allotrope of group 14 elements
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 …
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
Ordinary materials can transform into novel phases at extraordinary high pressure and
temperature. The recently developed method of ultrashort laser-induced confined …
temperature. The recently developed method of ultrashort laser-induced confined …
Low-energy silicon allotropes with strong absorption in the visible for photovoltaic applications
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 …
properties of silicon allotropes with interesting characteristics for applications in thin-film …
Low-energy tetrahedral polymorphs of carbon, silicon, and germanium
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 …
using density functional theory computations and the ab initio random structure searching …
[HTML][HTML] Novel silicon phases and nanostructures for solar energy conversion
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 …
such as, eg, clathrates or nanostructures, at both higher and lower densities compared with …
Low-density silicon allotropes for photovoltaic applications
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 …
electronic to the photovoltaic industry. A systematic search for silicon allotropes was …