• No results found

Neutron Powder Diffraction (NPD) and Structure Determinations

Simultaneous neutron powder diffraction and microwave dielectric studies of ammonia absorption in metal organic framework systems

Simultaneous neutron powder diffraction and microwave dielectric studies of ammonia absorption in metal organic framework systems

... simultaneous neutron powder diffraction (NPD), microwave dielectric characterisation and out-gas mass spectroscopy of solid-state materials during ammonia ...in structure found from NPD ...

10

Development of MnBi permanent magnet: Neutron diffraction of MnBi powder

Development of MnBi permanent magnet: Neutron diffraction of MnBi powder

... magnet: Neutron diffraction of MnBi powder Abstract MnBi attracts great attention in recent years for its great potential as permanent ...conventional powder metallurgical approaches. ...

6

Elastic Neutron Diffraction Analysis of a Powder Sample of UC  EUR 3655

Elastic Neutron Diffraction Analysis of a Powder Sample of UC EUR 3655

... The neutron diffraction pattern of a powder of uranium mono- carbide has been obtained by means of a triple axis spectrometer in conventional and elastic diffraction at room temperature[r] ...

16

Localization of ferrocene in NaY zeolite by powder x-ray and neutron diffraction

Localization of ferrocene in NaY zeolite by powder x-ray and neutron diffraction

... I. INTRODUCTION Zeolites are crystalline aluminosilicates with a three- dimensional open framework structure of channels and cavi- ties of molecular dimensions. Zeolites can thus act as mo- lecular sieves, making ...

8

Crystal structures of spinel type Na2MoO4 and Na2WO4 revisited using neutron powder diffraction

Crystal structures of spinel type Na2MoO4 and Na2WO4 revisited using neutron powder diffraction

... Crystal structures of spinel-type Na 2 MoO 4 and Na 2 WO 4 revisited using neutron powder diffraction A. Dominic Fortes ISIS Facility, Rutherford Appleton Laboratory, Harwell Science and Innovation ...

9

Crystal structures of spinel type Na2MoO4and Na2WO4 revisited using neutron powder diffraction

Crystal structures of spinel type Na2MoO4and Na2WO4 revisited using neutron powder diffraction

... Crystal structures of spinel-type Na 2 MoO 4 and Na 2 WO 4 revisited using neutron powder diffraction A. Dominic Fortes ISIS Facility, Rutherford Appleton Laboratory, Harwell Science and Innovation ...

10

Neutron Dynamical Diffraction: Interferometer Improvement and Precision Structure Factor Measurements.

Neutron Dynamical Diffraction: Interferometer Improvement and Precision Structure Factor Measurements.

... Further optimization of the phase retrieval and reconstruction algorithms is likely possible. For example, selection of the width of the Gaussian filter employed in the deconvolution step is related to the noise present ...

188

Crystal structure of A site deficient La0 2Sr0 2 xCaxTiO3 perovskite at ambient conditions and high temperatures : a neutron powder diffraction study

Crystal structure of A site deficient La0 2Sr0 2 xCaxTiO3 perovskite at ambient conditions and high temperatures : a neutron powder diffraction study

... With neutron di ff raction, there was not a strong evidence of the existence of other intermediate phases like the ones reported for the system Ca 1−x Sr x TiO 3 ; ...the structure of the perovskite unit ...

6

Cubic ZrW1 75Mo0 25O8 from a Rietveld refinement based on neutron powder diffraction data

Cubic ZrW1 75Mo0 25O8 from a Rietveld refinement based on neutron powder diffraction data

... indicators: powder neutron study; T = 298 K; mean (Zr–O) = ...Its structure has cubic symmetry (space group P2 1 3) at room ...The structure contains a network of corner-sharing ZrO 6 ...

11

In situ powder neutron diffraction study of non stoichiometric phase formation during the hydrogenation of Li3N

In situ powder neutron diffraction study of non stoichiometric phase formation during the hydrogenation of Li3N

... 6 Diffraction patterns were collected at molar concentrations x ¼ ...The diffraction patterns were analysed by the Rietveld method using the GSAS software system 8 to determine the crystal- line phases ...

9

Pr4Ge3S12: structure determination from high resolution powder diffraction data

Pr4Ge3S12: structure determination from high resolution powder diffraction data

... deviation between the bond valence sums and the formal ionic charge) of 0.26. This deviation is mainly caused by atom S2, which has a bond valence of 2.50, and indicates that the S2 bonds are too short. However, ...

6

STRUCTURE DETERMINATION FROM POWDER DIFFRACTION DATA CHALLENGING BATTERY MATERIALS

STRUCTURE DETERMINATION FROM POWDER DIFFRACTION DATA CHALLENGING BATTERY MATERIALS

... first structure was solved using direct methods and is isostructural to tmaV 8 O 20 ...the structure solu- tion quite ...the structure using FOX ...this structure ap- peared to be ordered, ...
Study of the Crystallographic and Magnetic Structure in the Nickel Substituted Cobalt Ferrites by Neutron Diffraction

Study of the Crystallographic and Magnetic Structure in the Nickel Substituted Cobalt Ferrites by Neutron Diffraction

... the neutron diffraction data was done using the computer program FullProf [20] in the Rietveld method [21] for determining the crystal structure ...angle neutron data (2 θ > 50 ˚) were used in ...

11

The Crystal Structure of Ba3Nb2O8 Revisited : A Neutron Diffraction and Solid-State NMR Study

The Crystal Structure of Ba3Nb2O8 Revisited : A Neutron Diffraction and Solid-State NMR Study

... using neutron diffraction data has now al- lowed the structure of Ba 3 Nb 2 O 8 to be fully ...using neutron diffraction over HREM to characterise these complex materials has also been ...

16

Powder Diffraction notes for authors

Powder Diffraction notes for authors

... unreported powder diffraction data for a material with a known crystal structure, new diffraction data for a novel material where crystal structure elucidation will be a future ...

16

A powder diffraction study of Sr3Al10SiO20

A powder diffraction study of Sr3Al10SiO20

... (Smets et al., 1989). The Al3ÐO distances (average 1.93 AÊ) are longer than the Al4ÐO distances (average 1.88 AÊ). The same effect can be seen in the case of Sr 1.33 Pb 0.67 Al 6 O 11 (PloÈtz & MuÈller-Buschbaum, 1982) ...

6

A Rietveld refinement using neutron powder diffraction data of a fully deuterated topaz, Al2SiO4(OD)2

A Rietveld refinement using neutron powder diffraction data of a fully deuterated topaz, Al2SiO4(OD)2

... suggesting that the powder data cannot be used to resolve the possible symmetry reduction. Refined occupancies of D1 and D2 were within one s.u. of 0.5 and were fixed to this value in subsequent refinements. The ...

5

Structure Determination from X- Ray Powder Diffraction. By Chua Yong Shen

Structure Determination from X- Ray Powder Diffraction. By Chua Yong Shen

... Ø when we want to find the crystal structure of a compound, we need to consider the reverse situation. If we know the size of the unit cell and intensities of the reflections, we can calculate the position of ...

45

Structure of naturally hydrated ferrihydrite revealed through neutron diffraction and first-principles modeling

Structure of naturally hydrated ferrihydrite revealed through neutron diffraction and first-principles modeling

... accurate diffraction pattern with 2L-Fh material dried at ambient temperatures, which, for the first time, obviated dehydration and removed the possibility of phase-transformation through heating steps that were ...

26

Structure of naturally hydrated ferrihydrite revealed through neutron diffraction and first-principles modeling

Structure of naturally hydrated ferrihydrite revealed through neutron diffraction and first-principles modeling

... modern diffraction data, is the lack of analysis on samples without heat-treatment, as only then is surface hydration maintained and the risk of structural changes ...Range Neutron Diffractometer (NIMROD) ...

9

Show all 10000 documents...

Related subjects