Abstract
The phase diagrams and magnetizations of two transverse Ising nanosystems (nanowire and nanotube) with a dilution at the surface are investigated by the use of the effective field theory with correlations. In particular, the effects of interlayer coupling between the surface and the core on them are discussed for the two systems. We find that the reentrant phenomena are obtained for the two systems with pure surface, while they immediately disappear when the surface dilution has been introduced.
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