Recent in situ experimental and theoretical advances in severe plastic deformations, strain-induced phase transformations, and microstructure evolution under high …

VI Levitas - Materials transactions, 2023 - jstage.jst.go.jp
Severe plastic deformations (SPD) under high pressure, mostly by high-pressure torsion, are
employed for producing nanostructured materials and stable or metastable high-pressure …

Unusual plastic strain-induced phase transformation phenomena in silicon

S Yesudhas, VI Levitas, F Lin, KK Pandey… - Nature …, 2024 - nature.com
Pressure-induced phase transformations (PTs) in Si, the most important electronic material,
have been broadly studied, whereas strain-induced PTs have never been studied in situ …

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 …

Shock-compressed silicon: Hugoniot and sound speed up to 2100 GPa

BJ Henderson, MC Marshall, TR Boehly, R Paul… - Physical Review B, 2021 - APS
High-pressure equation of state and isentropic sound speed data for fluid silicon to
pressures of 2100 GPa (21 Mbar) are reported. Principal Hugoniot measurements were …

Mechanical properties of hexagonal silicon

T Liang, L **ong, H Lou, F Lan, J Zhang, Y Liu, D Li… - Scripta Materialia, 2022 - Elsevier
Hexagonal silicon (Si-IV) has recently attracted considerable research interest due to its
extraordinary optical properties and possibility to convert into a direct semiconductor under …

First-principles calculation of the pressure derivative of the bulk modulus from second-and third-order elastic constants

A Pandit, A Bongiorno - Physical Review Materials, 2023 - APS
A first-principles method is presented to calculate the bulk modulus and its pressure
derivative of a monocrystal in an arbitrary stressed state. The bulk modulus is obtained from …

Controlling the thermoelectric power of silicon–germanium alloys in different crystalline phases by applying high pressure

NV Morozova, IV Korobeinikov, NV Abrosimov… - …, 2020 - pubs.rsc.org
Silicon, germanium and their alloys are classical semiconductors that play an important role
in fundamental sciences and are the basis for modern microelectronics, optoelectronics …

Strain-Modulated Interlayer Charge and Energy Transfers in MoS2/WS2 Heterobilayer

JS Kim, N Maity, M Kim, S Fu, R Juneja… - … Applied Materials & …, 2022 - ACS Publications
Excitonic properties in 2D heterobilayers are closely governed by charge transfer (CT) and
excitonic energy transfer (ET) at van der Waals interfaces. Various means have been …

Atomistic deformation mechanism of silicon under laser-driven shock compression

S Pandolfi, SB Brown, PG Stubley… - Nature …, 2022 - nature.com
Silicon (Si) is one of the most abundant elements on Earth, and it is the most widely used
semiconductor. Despite extensive study, some properties of Si, such as its behaviour under …

Plastic strain-induced phase transformations in silicon: drastic reduction of transformation pressures, change in transformation sequence, and particle size effect

S Yesudhas, VI Levitas, F Lin, KK Pandey… - arxiv preprint arxiv …, 2023 - arxiv.org
Pressure-induced phase transformations (PTs) between numerous phases of Si, the most
important electronic material, have been studied for decades. This is not the case for plastic …