Articles with "ray powder" as a keyword



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Crystal structure and polymorphism of NaSrVO4: the first AIBIIXVO4 larnite-related structure from X-ray powder diffraction data

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Published in 2017 at "Physics and Chemistry of Minerals"

DOI: 10.1007/s00269-017-0873-6

Abstract: The previously unknown crystal structure of sodium strontium vanadate, NaSrVO$$_4$$4, is determined and refined from laboratory X-ray powder diffraction data. The title compound exhibits the larnite $$\beta\text{-}\textrm{Ca}_2\textrm{SiO}_4$$β-Ca2SiO4 structure. This is the first report of such… read more here.

Keywords: crystal structure; powder diffraction; chemistry; textrm ... See more keywords
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Crystal Structures and Phase-Transitions Analysis of the Double Perovskites Sr2Co1−xNixTeO6 (x = 0.25, 0.5 and 0.75) Using X-ray Powder Diffraction, Raman and Infrared Spectroscopy

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Published in 2019 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-019-07269-5

Abstract: The reaction between the complexes of double perovskite formula Sr2Co1−xNixTeO6 in different stoichiometric proportions (x = 0.25, 0.5 and 0.75) have been processed in polycrystalline form by solid– state reaction mode in air. Based on the Rietveld… read more here.

Keywords: powder diffraction; sr2co1 xnixteo6; structures phase; crystal structures ... See more keywords
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Investigation on the 773 K isothermal section of Ho-Ni-Si ternary phase diagram by X-ray powder diffraction and magnetic property of Ho3NiSi2 alloy

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Published in 2020 at "Journal of Rare Earths"

DOI: 10.1016/j.jre.2019.07.018

Abstract: Abstract The isothermal section of the Ho-Ni-Si system at 773 K was constructed by X-ray powder diffraction (XRD) in this work. The system contains sixteen known type structure compounds TiNiSi-type HoNiSi, BaAl4-type HoNi2Si2, CeNiSi2-type HoNiSi2, U2Co3Si5-type… read more here.

Keywords: phase; magnetic property; powder diffraction; isothermal section ... See more keywords
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Non-destructive pigment characterization in the painting Little Madonna of Foligno by X-ray Powder Diffraction

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Published in 2017 at "Microchemical Journal"

DOI: 10.1016/j.microc.2017.07.001

Abstract: Abstract X-ray Powder Diffraction (XRPD) is one of the non-destructive techniques habitually used for the structural analysis of crystalline solids. This technique can therefore be used to differentiate between crystalline and vitreous or amorphous solids… read more here.

Keywords: painting little; powder diffraction; little madonna; non destructive ... See more keywords
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Development of a new portable X-ray powder diffractometer and its demonstration to on-site analysis of two selected old master paintings from the Rijksmuseum

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Published in 2018 at "Microchemical Journal"

DOI: 10.1016/j.microc.2018.01.003

Abstract: Abstract A portable X-ray powder diffractometer (p-XRD) PT-APXRD III has been developed for on-site analysis of paintings and archaeological samples. By using a Cu anode X-ray tube and a silicon drift diode (SDD) detector, diffraction… read more here.

Keywords: analysis; powder diffractometer; ray powder; portable ray ... See more keywords
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X-ray powder diffraction, spectroscopic study, dielectric properties and thermal analysis of new doped compound TiGa0.67Te2.33O8

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Published in 2017 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2016.11.072

Abstract: Abstract A novel mixed valence tellurium oxide, TiGa 0.67 Te 2.33 O 8 , was synthesized and its crystal structure determined using the X-ray powder diffraction technique. The obtained oxide was found to crystallize in… read more here.

Keywords: analysis; ray powder; powder diffraction; structure ... See more keywords
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X-Ray powder diffraction - A non-destructive and versatile approach for the identification of new psychoactive substances.

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Published in 2019 at "Talanta"

DOI: 10.1016/j.talanta.2018.11.063

Abstract: A considerable number of fatal intoxications have recently been connected with the growing popularity of new psychoactive substances (NPS). Therefore, there is a significant demand for the development of fast and facile field detection methods… read more here.

Keywords: powder diffraction; psychoactive substances; non destructive; ray powder ... See more keywords
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X-ray powder diffraction data for (S)-Deschloroketamine hydrochloride, C13H18ClNO

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Published in 2017 at "Powder Diffraction"

DOI: 10.1017/s0885715617000586

Abstract: X-ray powder diffraction data, unit-cell parameters, and space group for S-2-(methylamino)-2-phenylcyclohexan-1-one hydrochloride, C13H18ClNO, are reported [a = 6.578 (1) Å, b = 13.250 (2) Å, c = 15.096 (2) Å, β = 91.619 (3)°, unit-cell… read more here.

Keywords: powder diffraction; hydrochloride c13h18clno; diffraction; ray powder ... See more keywords

2,3-exo-Diheterotactic Dicyclopentadiene Oligomers: An X-ray Powder Diffraction Study of a Challenging Multiphase Case

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Published in 2019 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.9b00795

Abstract: Cycloaliphatic polyolefins have attracted attention for use as functional materials, but they are rarely observed in the crystalline state. New semicrystalline dicyclopentadiene oligomers were obta... read more here.

Keywords: ray powder; exo diheterotactic; dicyclopentadiene; diheterotactic dicyclopentadiene ... See more keywords

Detailed Investigation of Thermal Regeneration of High-Silica ZSM-5 Zeolite through in Situ Synchrotron X-ray Powder Diffraction and Adsorption Studies

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b05090

Abstract: Adsorption is important for many applications including catalysis and water remediation technology. To improve the performances of such applications, it is essential to have a deep understanding of adsorbent–adsorbate interactions, and of the dynamics involved… read more here.

Keywords: adsorption; synchrotron ray; silica zsm; high silica ... See more keywords
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Crystal structures of ordered and plastic-crystalline phases of iso-butyllithium by X-ray powder diffraction.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c8cc05918g

Abstract: Donor-unsupported iso-butyllithium consists of hexamers with an ordered triclinic structure at -80 °C (α-phase). At ambient temperature, the compound exists as an orthorhombic, remarkably stable, plastic-crystalline γ-phase, which is built by disordered hexamers adopting a… read more here.

Keywords: plastic crystalline; iso butyllithium; powder diffraction; ray powder ... See more keywords