MULTI-SPECTROSCOPIC STUDY OF FE(II) IN SILICATE GLASSES: IMPLICATIONS FOR THE COORDINATION ENVIRONMENT OF FE(II) IN SILICATE MELTS
| dc.contributor.author | Jackson W.E. | |
| dc.contributor.author | Farges F. | |
| dc.contributor.author | Yeager M. | |
| dc.contributor.author | Mabrouk P.A. | |
| dc.contributor.author | Rossano S. | |
| dc.contributor.author | Waychunas G.A. | |
| dc.contributor.author | Solomon E.I. | |
| dc.contributor.author | Brown Jr.G.E. | |
| dc.date.accessioned | 2023-11-18T10:28:12Z | |
| dc.date.available | 2023-11-18T10:28:12Z | |
| dc.date.issued | 2005 | |
| dc.description.abstract | The coordination environment of Fe(II) has been examined in seven anhydrous ferrosilicate glasses at 298 K and 1 bar using 57Fe Mössbauer, Fe K-edge X-ray near edge structure (XANES), and extended X-ray absorption fine structure (EXAFS), UV-Vis-NIR, and magnetic circular dichroism (MCD) spectroscopies. Glasses of the following compositions were synthesized from oxide melts (abbreviation and nonbridging oxygen:tetrahedral cation ratio (NBO/T) in parentheses): Li2FeSi3O8 (LI2: 1.33), Rb2FeSi3O8 (RB2: 1.33), Nal.08Fel.l7Si3.l3O8 (NAl: 1.09), Nal.46Ca0.24Fel.08Si2.97O8 (NC6: 1.38), Nal.09Ca0.51Fe0.72Si3.10O8 (NC2: 1.15), Na0.99Ca0.92Fe0.24 Si3.17O8 (NCl: 1.04), and Na0.29Mg0.53Ca0.52Fe0.56Al0.91Si2.44O8 (BAS: 1.05). Mössbauer, XANES, and EXAFS information suggests that iron is dominantly ferrous in all glasses ( | |
| dc.identifier | https://www.elibrary.ru/item.asp?id=12092112 | |
| dc.identifier.citation | Geochimica et Cosmochimica Acta, 2005, 69, 17, 4315-4332 | |
| dc.identifier.doi | 10.1016/j.gca.2005.01.008 | |
| dc.identifier.issn | 0016-7037 | |
| dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/41827 | |
| dc.title | MULTI-SPECTROSCOPIC STUDY OF FE(II) IN SILICATE GLASSES: IMPLICATIONS FOR THE COORDINATION ENVIRONMENT OF FE(II) IN SILICATE MELTS | |
| dc.type | Статья |
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