Results 1 to 10 of about 7,732,983 (244)

A portable CCD array detector for in-situ analysis of powder samples using combined x-ray diffraction/x-ray fluorescence techniques [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This work describes the design, development and testing of a portable charge-coupled device detector system to be used for the simultaneous collection of X-
Intisar, Amir
core   +8 more sources

X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), differential scanning calorimetry (DSC) and density study of ternary chalcogenide glasses based on Ge-Se and Ge-S [PDF]

open access: yes, 1991
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Glasses of the systems Ge-Se-X (X = Ga, Sn, Bi, Sb), Ge-S-Y (Y = Ag, Ga, Sn, Bi) and Se-S have been examined using X-ray photoelectron spectroscopy (XPS), X-
Saffarini, Ghassan
core   +7 more sources

Review of Current Software for Analyzing Total X-ray Scattering Data from Liquids

open access: yesQuantum Beam Science, 2023
The popularity of the pair distribution function (PDF) analysis of X-ray total scattering data has steadily grown as access to ex situ synchrotron data has expanded.
Leighanne C. Gallington   +3 more
doaj   +1 more source

Characterisation and Study of Compounds by Single Crystal X-ray Diffraction

open access: yesCrystals, 2020
A few years after the discovery in 1895 of X-rays by Röntgen, the first successful experiment single crystal X-ray diffraction (SCXRD) was reported by Laue, Friedrich, and Knipping [...]
Josefina Perles
doaj   +1 more source

High-resolution X–ray diffraction datasets: Carbonates

open access: yesData in Brief, 2022
X–ray diffraction (XRD) analysis is a versatile and reliable method used in the identification of minerals in solid samples. It is one of the primary techniques geoscientists, mineralogist, solid-state chemists depend on to characterize the composition ...
Abduljamiu O. Amao   +2 more
doaj   +1 more source

Chemical, isotopic and gas composition of the first-year sea ice in 2013-2015 from the data of cores taken at the BARNEO drifting stations

open access: yesЛëд и снег, 2019
As a result of the work performed at the BARNEO drifting stations (2013-2015 in the polar region of the Arctic ocean), a comprehensive testing was carried out and new data were obtained on the structure of one-year sea ice, its salinity, the distribution
A. I. Kizyakov   +4 more
doaj   +1 more source

Fourier transform infrared spectrophotometry and X-ray powder diffractometry as complementary techniques in characterizing clay size fraction of kaolin

open access: yesJournal of Applied Sciences and Environmental Management, 2005
This study aimed at demonstrating complementary roles offered by both Fourier transform infrared (FTIR) spectrophotometry and x-ray powder diffraction (XRPD) techniques in characterizing clay size fraction of kaolins.
Georges-Ivo E Ekosse
doaj   +1 more source

Crystal Structure Dependence of the Energy Transfer from Tb(III) to Yb(III) in Metal–Organic Frameworks Based in Bispyrazolylpyridines

open access: yesCrystals, 2020
Luminescent mixed lanthanide metal−organic framwork (MOF) materials have been prepared from two polyheterocyclic diacid ligands, 2,6-bis(3-carboxy-1-pyrazolyl)pyridine and 2,6-bis(4-carboxy-1-pyrazolyl)pyridine.
Paloma Martinez-Martin   +2 more
doaj   +1 more source

Ab initio structure determination from X-ray powder diffraction data [PDF]

open access: yes, 2015
Many important crystalline solids cannot be prepared in the form of single crystals of sufficient size and quality for single crystal X-ray diffraction studies, and in such cases it is essential that structural information can be extracted from powder ...
Tremayne, Maryjane
core   +2 more sources

Using GIS to understand the environmental chemistry of manganese contaminated soils, Kgwakgwe area, Botswana

open access: yesJournal of Applied Sciences and Environmental Management, 2005
This study aimed at establishing the spatial distribution of manganese (Mn) and iron (Fe) within the periphery of a manganese oxide (Mn oxide) ore abandoned mine.
Georges Ekosse, Paul S Fouche
doaj   +1 more source

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