Exactly Solved Model for 4He Adsorption on Carbon Nanotube Bundles
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- Antsygina, T.N., Poltavsky, I.I. & Chishko, K.A. J Low Temp Phys (2007) 148: 821. doi:10.1007/s10909-007-9475-x
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The thermodynamics of atomic deposit adsorbed in grooves, on outer surface, and into intertube channels of a closed-end carbon nanobundle has been investigated theoretically. The grand canonical partition function for the groove subsystem was found within the transfer-matrix method with regard for interparticle interactions in chains and between the chains. The adsorption isotherms, isosteric heat and heat capacity have been calculated. The proposed theory is in excellent quantitative agreement with the experimental data on thermodynamics of helium adsorbate.