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Accessing high optical quality of MoS2 monolayers grown by chemical vapor deposition
Shivangi Shree, Antony George, Tibor Lehnert +9
Chemical vapor deposition (CVD) allows growing transition metal dichalcogenides (TMDs) over large surface areas on inexpensive substrates. In this work, we correlate the structural…
Lateral heterostructures of two-dimensional materials by electron-beam induced stitching
Andreas Winter, Antony George, Christof Neumann +9
We present a novel methodology to synthesize two-dimensional (2D) lateral heterostructures of graphene and MoS2 sheets with molecular carbon nanomembranes (CNMs), which is based on…
Formation of nickel clusters wrapped in carbon cages: towards new endohedral metallofullerene synthesis
Alexander S. Sinitsa, Thomas W. Chamberlain, Thilo Zoberbier +7
In spite of the high potential of endohedral metallofullerenes (EMFs) for application in biology, medicine and molecular electronics and recent efforts in EMF synthesis, the variet…
Square ice in graphene nanocapillaries
G. Algara-Siller, O. Lehtinen, F. C. Wang +5
Adsorbed layers of water are ubiquitously present at surfaces and fill in microscopic pores, playing a central role in many phenomena in such diverse fields as materials science, g…
Atomistic mechanism of carbon nanotube cutting catalyzed by nickel under the electron beam
Irina V. Lebedeva, Thomas W. Chamberlain, Andrey M. Popov +5
The cutting of single-walled carbon nanotubes by an 80 keV electron beam catalyzed by nickel clusters is imaged in situ using aberration-corrected high-resolution transmission elec…
Functional single-layer graphene sheets from aromatic monolayers
Dan G. Matei, Nils-Eike Weber, Simon Kurasch +8
We demonstrate how self-assembled monolayers of aromatic molecules on copper substrates can be converted into high-quality single-layer graphene using low-energy electron irradiati…