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(a) The variation of energy difference between AFM and NM phases in finite-length open-ended nanotubes as a function of . (b) Similarly, variation of energy difference between the AFM and FM phases.
Three-dimensional isosurfaces of spin charge density magnetization ( the isovalue is ). for the (a) FM and (b) AFM phases in L6-(8, 0) nanotube. (c) and (d) represent the corresponding density of state for (a) and (b). Blue and red represent positive and negative, respectively.
The dependence of spin-polarized HOMO-LUMO gap on the strength of an external electric field along the tube axis for (8, 0) nanotube for L4, L6, and L8, respectively.
Up- and down-spin densities of state of L8-(8, 0) SWCNT with both edges doped by B atoms. Blue dot line represents the Fermi level.
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