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You are here: Home :: Keyword index :: ret bis sol :: ribonuclease A - Risikoanalyse Rietveld refinement

Items for "Rietveld refinement"

Crystal chemistry study of the solid solutions in the system La2BaZnO5—Eu2BaZnO5

In this work, a complete crystallochemical characterization of two solid solutions, which were founded in the binary end members system La2BaZnO5—Eu2BaZnO5, is reported...

Keywords: Europium barium zinc oxide, Lanthanum barium zinc oxide, Solid solutions, Powder diffraction structure analysis, Rietveld refinement

04/2006 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
The crystal structure of ZSM-10, a powder X-ray and electron diffraction study

The crystal structure of the aluminosilicate, ZSM-10 (T108O216, where T = Si, Al), has been determined from electron diffraction and powder X-ray diffraction data...

Keywords: Zeolite structure, Rietveld refinement, Electron crystallography, X-ray diffraction, Powder diffraction structure analysis

04/2006 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
The crystal structures of polymorphic SUZ-4

SUZ-4 is an aluminosilicate zeolite originally synthesized at British Petroleum and known to be related somehow to ferrierite...

Keywords: Zeolite, Powder diffraction structure analysis, X-ray diffraction, Rietveld refinement, Electron diffraction

10/2006 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Solid state solubility between SnO2 and (FeSb)O4at high temperature

The solubility in the solid state was investigated for the pseudo-binary system SnO2—(FeSb)O4 at high temperature...

Keywords: Solid Solution, Rietveld refinement, TEM, Cassiterite, Tripuhyite

11/2006 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Pigment Orange 5: crystal structure determination from a non-indexed X-ray powder diagram

Pigment Orange 5, also known as “Dinitroaniline Orange”, is an industrially produced azo pigment...

Keywords: Pigments, X-ray diffraction, Rietveld refinement, Powder diffraction structure analysis, Lattice energy minimization

01/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Crystal structure of potassium and ammonium tetraperoxovanadates (V)

Powder diffraction measurements are fast, and sample preparation does not require time consuming manipulations what is very important for toxic, unstable or explosive samples...

Keywords: Peroxovanadates, Powder diffraction structure analysis, Rietveld refinement, X-ray diffraction

02/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
High-temperature phase transitions and intermediate incommensurate modulation of the tridymite form of AlPO4

Similar to silica tridymite, the corresponding AlPO4 analogue shows a sequence of displacive phase transitions at elevated temperatures...

Keywords: Tridymite, Incommensurate modulation, Displacive phase transition, Rietveld refinement, Powder diffraction structure analysis

05/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
A detailed study of the variation in lattice parameter and structure with temperature and dilution in yttrium-substituted holmium hexachloro-elpasolite Cs2NaYxHo1–xCl6

The lattice parameters of Cs2NaHoCl6 at 25 K, 120 K, and 294 K determined in this work are 10.6389(3) Å, 10.6666(2) Å, and 10.7220(2) Å, respectively, and those of Cs2NaYCl6 at 120 K and 294 K are 10.6722(2) Å and 10.7275(2) Å, respectively, by Rietveld refinement using space group Fm-3m...

Keywords: Elpasolite, Cation substitution, Thermodiffractometry, Rietveld refinement, Thermoluminescence

07/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Evolution of the structure, microstructure and physical properties of RuSr2GdCu2O8 as a function of the thermal treatment

The crystal structure of RuSr2GdCu2O8 was successfully refined in the orthorhombic system (Pbam space group) using synchrotron powder diffraction data collected on a high purity and low defect containing sample...

Keywords: Layered cuprate, Rietveld refinement, TEM, Magnetization, Superconductivity

09/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Crystal-structure determination of the fluorescent bisazomethine pigment C36H26N4O4 from X-ray powder data

The compound C36H26N4O4, a derivative of Pigment Yellow 101, is one of the few organic pigments that show fluorescence in the solid state...

Keywords: Lattice energy minimisation, Fluorescence, Rietveld refinement, Powder diffraction structure analysis, X-ray diffraction

10/2007 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag