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Scanning tunneling microscopy identification of van Hove singularities and negative thermal expansion in highly oriented pyrolytic graphite with hexagonal moiré superlattices

We report a novel investigation on the structural, electronic and magnetic properties of highly-oriented-pyrolytic-graphite (HOPG) by employing STM/S, TEM and SQUID. Van Hove singularities (vHs) were identified by STS-acquisition of local-density-of-states spectra (LDOS) acquired from moiré-superlat...

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Main Authors: Filippo S. Boi, Ayoub Taallah, Shuai Gao, Jian Guo, Shanling Wang, Anna Corrias
Format: Artigo
Language:Inglês
Published: Elsevier 2021-04-01
Series:Carbon Trends
Subjects:
HOPG
Graphite
van Hove singularity
Hexagonal superlattice
Negative thermal
Expansion
Online Access:http://www.sciencedirect.com/science/article/pii/S2667056921000110
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