Mengjun Bai et al 2007 J. Phys.: Condens. Matter 19 196211 doi:10.1088/0953-8984/19/19/196211
Mengjun Bai1,2, X Z Li2 and Stephen Ducharme1,2
Show affiliationsThe structures of nanocrystals consisting of 70% vinylidene fluoride and 30% trifluoroethylene made by Langmuir–Blodgett deposition were studied using transmission electron microscopy and electron diffraction. Highly ordered nanocrystals with sizes ranging from 100 nm to 4 µm were grown on Langmuir–Blodgett films at a deposition surface pressure of 20 mN m−1. Electron diffraction patterns from individual crystals allowed us to determine the crystal symmetry and lattice parameters. A monoclinic phase had been found with the lattice parameters a = 9.06 ± 0.03 Å,b = 5.18 ± 0.02 Å,c = 20.40 ± 0.05 Å,α = 90° ± 0.3°,β = 93° ± 0.2°,γ = 90° ± 0.2°, consistent with the monoclinic space group C23.
61.05.J- Electron diffraction and scattering
68.37.Lp Transmission electron microscopy (TEM)
62.50.-p High-pressure effects in solids and liquids
68.47.Pe Langmuir-Blodgett films on solids; polymers on surfaces; biological molecules on surfaces
Surfaces, interfaces and thin films
Issue 19 (16 May 2007)
Received 22 January 2007, in final form 28 March 2007
Published 19 April 2007
Mengjun Bai et al 2007 J. Phys.: Condens. Matter 19 196211
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