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The reduction of La 0.7 Sr 0.3 Co 0.8 Fe 0.2 O 3−δ (LSCF7382) by heat-treatment in H 2 atmosphere or by electrochemical polarization has been followed by X-ray diffraction and Raman spectroscopy. The transition from perovskite ABO 3 to brownmillerite A 2 B 2 O 5 occurs at 250–300°C in 10% H 2 atmosphere and is...
With a combined approach using Solid-State 13 C-MAS NMR and Laser Raman Microspectroscopy, we investigated the CO 2 –CO gas composition (X(CO 2 )) in fluid inclusions synthesized under high pressure (200–300 MPa), high temperature (1225–1250 °C) and reducing conditions (17<P(H 2 )<62 bars). Fluid inclusions are entrapped in a volatile-bearing basaltic glass which...
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