RESEARCH / A0098
Spin-state engineering of Co-doped LaMnO3 enhances N2 and H2O activation for chemical-looping ammonia synthesis
Read the original paper · 10.1016/j.jechem.2026.04.097 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 1. Fine-structure characterizations. (a) Schematic illustration of challenges of ammonia synthesis. (b) The XRD patterns of as-prepared LaMnO3 and LaMn0.5Co0.5O3. (c) HRTEM images of LaMn0.5Co0.5O3. The EDX elemental mapping images of La(d), Mn(e), Co(f) and O(g) of LaMn0.5Co0.5O3. Normalized XANES spectra(h) and Fourier-transformed K-edge EXAFS spectra(i) of Mn in LaMn0.5Co0.5O3. (j) WT plots of LaMn0.5Co0.5O3.