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6 papers · 2 filters
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…
Internal Josephson phenomena in a coupled two-component Bose condensate
N. S. Voronova, Yu. E. Lozovik
We discuss the coherent oscillations between two coupled quantum states of a Bose-Einstein condensate in two-dimensional space at zero temperature. In the system we consider, weak…
Quantum capacitance and compressibility of graphene: The role of Coulomb interactions
Yu. E. Lozovik, A. A. Sokolik, A. D. Zabolotskiy
Many-body effects on quantum capacitance, compressibility, renormalized Fermi velocity, kinetic and interaction energies of massless Dirac electrons in graphene, induced by the Cou…
Edge bands and vertical transport in topological insulator/magnetic insulator heterostructures
A. G. Mal'shukov
The low-energy band-structure of electrons propagating on a lateral surface of a heterostructure consisting of three dimensional topological insulator (TI) and magnetic insulator l…
Force and magnetic field sensor based on measurement of tunneling conductance between ends of coaxial carbon nanotubes
A. M. Popov, I. V. Lebedeva, A. A. Knizhnik +5
The interaction and tunneling conductance between oppositely located ends of coaxial carbon nanotubes are studied by the example of two (11,11) nanotubes with open ends terminated…
Formation of nickel-carbon heterofullerenes under electron irradiation
Alexander S. Sinitsa, Irina V. Lebedeva, Andrey A. Knizhnik +3
A way to produce new metal-carbon nanoobjects by transformation of a graphene flake with an attached transition metal cluster under electron irradiation is proposed. The transforma…