Nano Archive

Thermal properties and lattice dynamics of polycrystalline MFI zeolite films

Greenstein, A. M. and Graham, S. and Hudiono, Y. C. and Nair, S. (2006) Thermal properties and lattice dynamics of polycrystalline MFI zeolite films. NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING, 10 (4). pp. 321-331.

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A study of the thermal properties of the zeolite MFI by a combination of experimental measurements and lattice dynamical modeling is presented. Thermal conductivity data in the range of 150-400 K was obtained through 3 omega measurements on polycrystalline zeolite films. While Debye theory is inadequate in predicting the zeolite thermal properties, a detailed calculation of the specific heat using a full set of dispersion relations obtained from atomistic simulations gives excellent agreement with experiments. In addition, the thermal conductivity is successfully reproduced by a phonon relaxation time-based model. The results indicate the possibility of developing a predictive model of the thermal properties of complex zeolite materials.

Item Type:Article
Uncontrolled Keywords:nanoporous materials; zeolites; thermal properties; lattice dynamics
Subjects:Physical Science > Nanophysics
Engineering > Nanotechnology applications in mechanical engineering
ID Code:6267
Deposited By:IoN
Deposited On:21 Sep 2009 10:58
Last Modified:21 Sep 2009 10:58

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