[HTML][HTML] Carbon under pressure

B Sundqvist - Physics Reports, 2021 - Elsevier
Carbon is an element with extremely versatile bonding properties and theoretical
calculations have suggested the possible existence of several hundred structural allotropes …

Reversible Raman D-band changes: A new probe into the pressure-induced collapse of carbon nanotubes

R Galafassi, F Vialla, V Pischedda, H Diaf… - Carbon, 2024 - Elsevier
The control of the geometry of carbon nanotubes has a high potential for electro-optical
technology developments. We report here the use of a new spectroscopic signature for the …

Diamond-graphite nanocomposite synthesized from multi-walled carbon nanotubes fibers

X Yang, J Dong, M Yao, K Hu, H Sun, R Liu, CX Shan… - Carbon, 2021 - Elsevier
Creation of the hybrid nanostructures with superior properties that combine the advantages
of hardest diamond and flexible graphite remains challenging in experiment. Here we report …

Effects of pressure on the structural and electronic properties of linear carbon chains encapsulated in double wall carbon nanotubes

WQ Neves, RS Alencar, RS Ferreira, AC Torres-Dias… - Carbon, 2018 - Elsevier
High-pressure resonance Raman experiments were performed on linear carbon chains Cn
confined in double-wall carbon nanotubes (Cn@ DWCNT). Our results indicate that the …

Collapse phase diagram of carbon nanotubes with arbitrary number of walls. Collapse modes and macroscopic analog

Y Magnin, F Rondepierre, W Cui, DJ Dunstan… - Carbon, 2021 - Elsevier
Carbon nanotubes tend to collapse when their diameters exceed a certain threshold, or
when a sufficiently large external pressure is applied on their walls. The radial stability of …

Anharmonicity and universal response of linear carbon chain mechanical properties under hydrostatic pressure

K Sharma, NL Costa, YA Kim, H Muramatsu… - Physical Review Letters, 2020 - APS
Isolated linear carbon chains (LCCs) encapsulated by multiwalled carbon nanotubes are
studied under hydrostatic pressure (P) via resonance Raman scattering. The LCCs' …

Perspective: High pressure transformations in nanomaterials and opportunities in material design

D Machon, V Pischedda, S Le Floch… - Journal of Applied …, 2018 - pubs.aip.org
Pressure and temperature phase transitions of nanomaterials often differ significantly from
those of their bulk parents, offering novel approaches for the engineering of original …

From high pressure radial collapse to graphene ribbon formation in triple-wall carbon nanotubes

SD Silva-Santos, RS Alencar, AL Aguiar, YA Kim… - Carbon, 2019 - Elsevier
The radial stability and the irreversible transformation of triple-wall carbon nanotubes
(TWCNTs) bundles are investigated at high pressure conditions both experimentally and …

Computationally guided design of large-diameter carbon nanotube bundles for high-strength materials

H Xu, G Drozdov, JG Park, BD Jensen… - ACS Applied Nano …, 2021 - ACS Publications
Large-diameter carbon nanotubes (CNTs) synthesized by floating-catalyst chemical vapor
deposition (FC-CVD) assemble into bundles and subsequently into aerogel networks from …

Thermodynamics of linear carbon chains

NL Costa, K Sharma, YA Kim, GB Choi, M Endo… - Physical Review Letters, 2021 - APS
Linear carbon chains (LCCs) are one-dimensional materials with unique properties,
including high Debye temperatures and restricted selection rules for phonon interactions …