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<strong>Structural study of C2D6 thin films adsorbed on MgO (100)</strong>

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Authentication Code dc
 
Title Statement <strong>Structural study of C2D6 thin films adsorbed on MgO (100)</strong>
 
Added Entry - Uncontrolled Name Trabelsi, Mohsen ; Laboratoire de Physique des matériaux
Saidi, Sami ; Laboratoire de physique des matériaux
Coulomb, Jean Paul ; CINAM
Laboratoire de physique des matériaux
 
Uncontrolled Index Term Fondamental physics; structural properties; adsorption
Neutron diffraction spectra; Bidimensional phase; Commensurate structure
 
Summary, etc. <strong>The structure of C<sub>2</sub>D<sub>6</sub> thin films adsorbed on high homogeneous MgO (100) powder surface have been investigated by means of neutron diffraction techniques at 10 K. Neutron diffraction spectra have been recorded for three different coverages. Two bi-dimensional solids S<sub>1</sub> and S<sub>2</sub> have been determined, respectively for a coverage θ =0.7 layer and θ =1.2 layer. In agreement with LEED measurement, the S<sub>2</sub> phase presents the commensurability <em>C</em>(<em>x</em>2)<em>R</em>45° with the MgO (100) surface. The S<sub>1</sub> phase also presents a commensurate structure with the substrate lattice but its commensurability is weaker than that of S<sub>2</sub>. The (2D) solid phase, measured at an intermediate coverage θ =1.0 layer is a mixture of S<sub>1</sub> and S<sub>2</sub>. For both solid phases, unit cell, location and orientation of molecules within are determined. The commensurate cell of the S<sub>1</sub> solid with the MgO (100) surface is given.</strong>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-11-04 10:11:16
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/5438
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 53, ##issue.no## 11 (2015): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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