Fe 2p spectra of silicate minerals
β Scribed by H. Seyama; M. Soma
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 298 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0368-2048
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π SIMILAR VOLUMES
Electronic absorption spectra have been measured at room temperature and pressure for polycrystalline samples of (Mg, Fe)SiO 3 silicate perovskites synthesized by multi-anvil device. One strong near-infrared band at about 7000 cm-1 and several weak bands in the visible region were found. The near-in
First-principles quantum chemical calculations have been used to reproduce S 2p x-ray photoelectron spectroscopy binding energies for a number of sulphide minerals where accurate experimental data are available. Periodic calculations have been performed with the Hartree-Fock/density functional hybri
Pb 2 Fe 2 Ge 2 O 9 , the Germanate Analogue of the Silicate Mineral Melanotekite. -Single crystals of the title compound are prepared by reaction of MgFe 2 Ge 2 O 8 (prereacted at 1398 K) and GeO 2 in a PbO/B 2 O 3 flux (1323 K, 5 h). The single crystal of composition Pb 2 Fe 1.78 Ge 2.11 Mg 0.11 O