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12 papers
Highly tunable magnetic spirals and electric polarization in GdDyMnO
Chandan De, Rabindranath Bag, Surjeet Singh +7
Recent progress in the field of multiferroics led to the discovery of many new materials in which ferroelectricity is induced by cycloidal spiral orders. The direction of the elect…
A New Method of Obtaining High Enrichment of Metallic Single-Walled Carbon Nanotubes
Rakesh Voggu, A. Govindaraj, C. N. R. Rao
Arc-discharge with carbon electrodes containing Ni and Y2O3 in the presence of Fe(CO)5 vapors have been investigated. It is found that unlike the cathode deposit, the web deposited…
Effects of interaction of electron donor and accepter molecules on the electronic structure of graphene
Rakesh Voggu, Barun Das, Chandra Sekhar Rout +1
Effects of interaction of graphene with electron donor and acceptor molecules have been investigated by employing Raman spectroscopy. The G band softens progressively with the incr…
Extraordinary sensitivity of the electronic structure and properties of single-walled carbon nanotubes to molecular charge-transfer
Rakesh Voggu, Chandra Sekhar Rout, Aaron D. Franklin +2
Interaction of single-walled carbon nanotubes with electron donor and acceptor molecules causes significant changes in the electronic and Raman spectra, the relative proportion of…
Binding of Nucleobases with Single-Walled Carbon Nanotubes
Anindya Das, A. K. Sood, Prabal K. Maiti +3
We have calculated the binding energy of various nucleobases (guanine (G), adenine (A), thymine (T) and cytosine (C)) with (5,5) single-walled carbon nanotubes (SWNTs) using ab-ini…
Probing the doping in metallic and semiconducting carbon nanotubes by Raman and transport measurements
Anindya Das, A. K. Sood, A. Govindaraj +4
In-situ Raman experiments together with transport measurements have been carried out on carbon nanotubes as a function of gate voltage. In metallic tubes, a large increase in the R…