Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of temperature variation of experimentally measured specific heat of aligned MWNTs in the temperature range 1.8 to 250 K shown by solid squares (■) with the computed values based on i. dynamical model ( ); ii. unfolding technique (——). Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /
Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. The details of Fig. in the temperature range 1.8 to 10 K. Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /
Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. The deviation P %, defined in the text, for the computed temperature dependent specific heat and the corresponding experimental values of aligned MWNT for the two cases based on: i. dynamical model (*) and ii. unfolding technique (). Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /
Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of phonon FDF of aligned MWNT using the suggested dynamical model ( ) with that obtained using an unfolding technique (——). Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /
Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. The details of low energy phonon structure of Fig. up to phonon energy equal to 100 K. Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /
Date of download: 7/6/2016 Copyright © 2016 SPIE. All rights reserved. Temperature variation of Rayleigh Mössbauer scattering fraction, f l, with temperature from aligned MWNTs under different considerations: (——)$f_{\hspace*{2pt}z}$fz; (- -)$f_{\hspace*{2pt}xy}$fxy, (- - -) mean value of f, using dynamical model; (– – –) mean value using the unfolded FDF of aligned MWNT as explained in the text. Figure Legend: From: Phonon frequency distribution function and temperature variation of Rayleigh Mössbauer scattering fraction from aligned multiwalled carbon nanotubes J. Nanophoton. 2011;5(1): doi: /