High-Resolution Structural Characterization of Two Layered Aluminophosphates by Synchrotron Powder Diffraction and NMR Crystallographies

2013 ◽  
Vol 25 (11) ◽  
pp. 2227-2242 ◽  
Author(s):  
Boris Bouchevreau ◽  
Charlotte Martineau ◽  
Caroline Mellot-Draznieks ◽  
Alain Tuel ◽  
Matthew R. Suchomel ◽  
...  
Keyword(s):  
High Resolution ◽  
Powder Diffraction ◽  
Structural Characterization ◽  
Synchrotron Powder Diffraction

scholarly journals Correction to High-Resolution Structural Characterization of Two Layered Aluminophosphates by Synchrotron Powder Diffraction and NMR Crystallographies

2016 ◽  
Vol 28 (14) ◽  
pp. 5172-5172
Author(s):  
Boris Bouchevreau ◽  
Charlotte Martineau ◽  
Caroline Mellot-Draznieks ◽  
Julien Dutour ◽  
Alain Tuel ◽  
...  
Keyword(s):  
High Resolution ◽  
Powder Diffraction ◽  
Structural Characterization ◽  
Synchrotron Powder Diffraction

ChemInform Abstract: High-Resolution Structural Characterization of Two Layered Aluminophosphates by Synchrotron Powder Diffraction and NMR Crystallographies.

ChemInform ◽  
2013 ◽  
Vol 44 (34) ◽  
pp. no-no
Author(s):  
Boris Bouchevreau ◽  
Charlotte Martineau ◽  
Caroline Mellot-Draznieks ◽  
Alain Tuel ◽  
Matthew R. Suchomel ◽  
...  
Keyword(s):  
High Resolution ◽  
Powder Diffraction ◽  
Structural Characterization ◽  
Synchrotron Powder Diffraction

Structural characterization of La2−xMxCuO4 (M = Sr,Ba) samples by synchrotron x-ray and neutron powder diffraction techniques

1988 ◽  
Vol 3 (6) ◽  
pp. 1327-1335 ◽  
Author(s):  
D. E. Cox ◽  
S. C. Moss ◽  
R. L. Meng ◽  
P. H. Hor ◽  
C. W. Chu
Keyword(s):  
High Resolution ◽  
Rietveld Refinement ◽  
Powder Diffraction ◽  
Structural Characterization ◽  
Neutron Powder Diffraction ◽  
Superconducting Properties ◽  
X Ray Diffraction ◽  
Neutron Data ◽  
X Ray

High-resolution synchrotron x-ray powder diffraction studies on samples of La2−xMxCuO4 (M = Sr,Ba) prepared by standard ceramic techniques show that macroscopic compositional inhomogeneities may exist that are unlikely to be revealed by conventional x-ray diffraction methods. Rietveld refinement of neutron data collected at 200, 50, and 11 K from one such sample, nominally La1.8Sr0.2CuO4, gave satisfactory fits to a tetragonal structure of K2NiF4 type at all three temperatures. However, careful individual peak fits revealed that part of the sample transforms to orthorhombic between 200 and 50 K. It is suggested that this multiphase character has an important influence on the superconducting properties.

New horizons for the structural characterization of stainless steel slags by X-ray powder diffraction

2007 ◽  
Vol 2007 (suppl_26) ◽  
pp. 61-66 ◽  
Author(s):  
B. Peplinski ◽  
B. Adamczyk ◽  
G. Kley ◽  
K. Adam ◽  
F. Emmerling ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Powder Diffraction ◽  
Structural Characterization ◽  
X Ray ◽  
New Horizons

Synchrotron powder diffraction characterization of the zeolite-based (p-N,N-dimethylnitroaniline–mordenite) guest–host phase

2008 ◽  
Vol 64 (6) ◽  
pp. 713-724 ◽  
Author(s):  
Florence Porcher ◽  
Elena Borissenko ◽  
Mohamed Souhassou ◽  
Masaki Takata ◽  
Kenichi Kato ◽  
...  
Keyword(s):  
Powder Diffraction ◽  
Dipole Moments ◽  
Membered Ring ◽  
Unit Cell Parameters ◽  
Cell Parameters ◽  
Crystallographic Study ◽  
Synchrotron Powder Diffraction ◽  
Ring Channel ◽  
New Phase

The crystal structure of a new phase consisting of the inclusion of the hyperpolarizable molecule p-N,N-dimethylnitroaniline (dimethyl-para-nitroaniline or dmpNA) in the large-pore zeolite mordenite (MOR) has been determined from high-resolution synchrotron powder diffraction at 300 and 90 K. The unit-cell parameters and space group at 300 K are similar to those of as-synthesized mordenite. The crystallographic study indicates that the MOR straight channels are almost fully loaded with molecules that are disordered over eight symmetry-related sites. As expected, the molecules are located in the large 12-membered ring channel, at the intersection with the secondary eight-membered channel with which they might form hydrogen bonds. The elongation axes (and then the dipole moments) of the molecules are slightly tilted (28.57°) from [001]. The configuration found suggests an interaction of dmpNA with framework O atoms through its methyl groups.

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