Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Garry J. Foran"'
Publikováno v:
Contributions to Mineralogy and Petrology. 176
The oxidation state of Cr, Cr2+/ΣCr (where ΣCr = Cr2+ + Cr3+ = 0.35 wt%), in Fe-free silicate glasses quenched from melts equilibrated as a function of pressure to 3.5 GPa at 1500 °C, and as a function of temperature to 1500 °C at atmospheric pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c96236250043423e793cfafbbc3a43a
https://doi.org/10.1007/s00410-021-01776-7
https://doi.org/10.1007/s00410-021-01776-7
Publikováno v:
Chemical Geology. 586:120483
The Cr2+-O and Cr3+-O bond lengths in CaO-MgO-Al2O3-SiO2 glasses containing ~0.3 wt% Cr with Cr2+/ΣCr = ~ 1 or 0 (where ΣCr = Cr2+ + Cr3+) were determined by extended X-ray absorption fine structure (EXAFS) spectroscopy to be 2.034(5) and 1.967(7)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0465011def514a9e0a824ceade29d91
https://doi.org/10.1016/j.chemgeo.2021.120483
https://doi.org/10.1016/j.chemgeo.2021.120483
Copper and arsenic K-edge X-ray absorption fine structure spectroscopy (EXAFS) of pine wood (Pinus radiata) treated with chromated copper arsenate (CCA) timber preservative have been measured. Refinement of the data is consistent with arsenate anions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::421d9afff922c2ca555ef322801086d5
https://ora.ox.ac.uk/objects/uuid:61f58e80-6c55-422e-b37f-43f4c7942c6f
https://ora.ox.ac.uk/objects/uuid:61f58e80-6c55-422e-b37f-43f4c7942c6f
Publikováno v:
Chemical Geology. 278:31-37
Iron K-edge X-ray absorption near edge structure (XANES) spectra were recorded for synthetic garnets of the almandine–skiagite (Fe3Al2Si3O12–Fe3Fe2Si3O12), andradite–skiagite (Ca3Fe2Si3O12–Fe3Fe2Si3O12), Fe–knorringite–skiagite (Fe3Cr2Si3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de566ffc39344e585d8d0d501b4b97cd
https://doi.org/10.1016/j.chemgeo.2010.08.019
https://doi.org/10.1016/j.chemgeo.2010.08.019
Autor:
Aidan Byrne, David Cookson, Garry J Foran, David Llewellyn, Leandro Araujo, David J. Sprouster, Mark C Ridgway, Patrick Kluth, Raquel Giulian, Claudia Schnohr
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 267:931-935
Changes in the shape and size of Co, Pt and Au nanoparticles induced by swift heavy-ion irradiation (SHII) have been characterized using a combination of transmission electron microscopy, small-angle x-ray scattering and x-ray absorption near-edge st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9164152e8621aad9446aa955489b990
https://doi.org/10.1016/j.nimb.2009.02.025
https://doi.org/10.1016/j.nimb.2009.02.025
Autor:
Raquel Giulian, Mark C Ridgway, Patrick Kluth, Leandro Araujo, David Cookson, David J. Sprouster, Garry J Foran
Publikováno v:
Advances in Synchrotron Radiation. :189-196
Ion implantation of Co into silica layers and subsequent thermal annealing were used to form Co nanoparticles. Structural characterization was performed using X-ray Absorption Spectroscopy and Small Angle X-ray Scattering to determine, respectively,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5aa8e984fee945efcd632f7b223e7ebd
https://doi.org/10.1142/s1793617908000203
https://doi.org/10.1142/s1793617908000203
Autor:
Mark C Ridgway, Leandro Araujo, David Cookson, Raquel Giulian, Patrick Kluth, Bernt Johannessen, Garry J Foran
Publikováno v:
Advances in Synchrotron Radiation. :169-178
We report on the atomic level structural properties of Ge nanocrystals (Ge NCs) grown by ion implantation and thermal annealing. The synchrotron-based techniques of extended X-ray absorption fine structure (EXAFS) spectroscopy and small angle X-ray s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10699e5634b13854097f042ac7cc802f
https://doi.org/10.1142/s1793617908000227
https://doi.org/10.1142/s1793617908000227
Autor:
Claudia Schnohr, Aidan Byrne, Bernt Johannessen, Patrick Kluth, Raquel Giulian, David Cookson, Mark C Ridgway, Garry J Foran
Publikováno v:
Radiation Effects and Defects in Solids. 162:501-513
We have investigated structural and morphological properties of metallic nanocrystals (NCs) exposed to ion irradiation. NCs were characterized by transmission electron microscopy in combination with advanced synchrotron-based analytical techniques, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a8cb22d52591eec33921597ce84779f
https://doi.org/10.1080/10420150701472221
https://doi.org/10.1080/10420150701472221
Publikováno v:
American Mineralogist. 92:761-770
The development of numerical modeling of reactive transport relies on the availability of thermodynamic properties for the solid, surface, aqueous, and vapor species stable at the conditions of interest. The lack of experimental studies and comprehen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d6963179f9bca27606f4502ddaec172
https://doi.org/10.2138/am.2007.2225
https://doi.org/10.2138/am.2007.2225
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 257:293-296
Structural parameters of InP amorphised by electronic energy deposition were determined using extended X-ray absorption fine structure spectrometry. Samples were prepared with 180 MeV Au13+ irradiation and a combination of semiconductor processing te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a1103364ff50d19ceb513b17b6e585e
https://doi.org/10.1016/j.nimb.2007.01.019
https://doi.org/10.1016/j.nimb.2007.01.019