scholarly journals Neutron high-resolution single-crystal diffraction study of phase-separation phenomenon in La2CuO4+δ

1996 ◽  
Vol 52 (a1) ◽  
pp. C382-C382
Author(s):  
A. M. Balagurov ◽  
V. G. Simkin ◽  
V. Yu. Pomyakushin ◽  
A. A. Zacharov
Keyword(s):  
Phase Separation ◽  
High Resolution ◽  
Single Crystal ◽  
Diffraction Study ◽  
Single Crystal Diffraction ◽  
Resolution Single

Single-crystal diffraction study of phase separation in La2CuO4+δ

1997 ◽  
Vol 234-236 ◽  
pp. 797-799
Author(s):  
A.M. Balagurov ◽  
V.Yu. Pomjakushin ◽  
V.G. Simkin ◽  
A.A. Zakharov
Keyword(s):  
Phase Separation ◽  
Single Crystal ◽  
Diffraction Study ◽  
Single Crystal Diffraction

Calculation of electrostatic potentials from multipole charge densities

1993 ◽  
Vol 208 (2) ◽  
Author(s):  
Hendrik L. De Bondt ◽  
N. M. Blaton ◽  
O. M. Peeters ◽  
C. J. De Ranter
Keyword(s):  
High Resolution ◽  
Single Crystal ◽  
Charge Density ◽  
Electrostatic Potential ◽  
Electron Distribution ◽  
Density Model ◽  
Slater Type ◽  
Single Crystal Diffraction ◽  
Charge Densities ◽  
Resolution Single

AbstractA rigorous analytical expression is derived for the electrostatic potential originating from aspherical atomic multipole electron densities according to the Stewart or Hansen-Coppens charge density model with a Slater type radial electron distribution. Such models are widely used to determine charge distributions from high resolution single crystal diffraction experiments.

Combined high resolution powder and single-crystal diffraction to determine the structure of Li1+xCeIIIxCeIV6-xF25

2007 ◽  
Vol 2007 (suppl_26) ◽  
pp. 455-460 ◽  
Author(s):  
G. Renaudin ◽  
E. Mapemba ◽  
M. El-Ghozzi ◽  
M. Dubois ◽  
D. Avignant ◽  
...  
Keyword(s):  
High Resolution ◽  
Single Crystal ◽  
Single Crystal Diffraction

scholarly journals Theoretical analysis of double-crystal spectrograph for high-resolution spectroscopy of laser-generated X-rays

1992 ◽  
Vol 10 (4) ◽  
pp. 841-847 ◽  
Author(s):  
O. Renner ◽  
M. Kopecký
Keyword(s):  
High Resolution ◽  
Single Crystal ◽  
Resolving Power ◽  
High Resolution Spectroscopy ◽  
High Dispersion ◽  
X Rays ◽  
Plasma Spectroscopy ◽  
Single Crystal Diffraction ◽  
Double Crystal ◽  
Quantitative Characteristics

Vertical dispersion variant of the double-crystal spectrograph is analyzed and its basic quantitative characteristics (luminosity, resolving power) are computed using ray tracing code. It is shown that geometric apparatus smearing is minimized due to high dispersion and spectral resolution may considerably exceed the single-crystal diffraction limit. Performing high-resolution spectral work, the efficiency of the double-crystal apparatus exceeds that of the flat single-crystal spectrograph. The usefulness of this method in laser plasma spectroscopy is demonstrated analyzing the detection of phosphorus He-like resonance line and its satellites.

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