Mn K-edge EXAFS spectra of calcined manganese oxides and …
The XRD and EXAFS results showed the MnOx were mainly in the Mn3O4 phase, and from the analysis of N2 adsorption/desorption isotherms, we knew the MnOx calcined at 250 °C …
Manipulating electronic delocalization of Mn3O4 by …
Nov 15, 2020 · Mn-defected Mn 3 O 4 was synthesized by thermal oxidation of manganese glycerate. Mn defects tune electronic delocalization to improve conductivity. Mn defects result …
Tuning Single-Atom Dopants on Manganese Oxide for Selective ...
Sep 13, 2022 · Extended X-ray absorption fine structure (EXAFS) spectra of the Mn3+-activated films indicate a decrease in the Mn-O coordination no., and Raman microspectroscopy reveals …
An Aqueous Dual‐Ion Battery Cathode of Mn3O4 via Reversible …
Feb 22, 2019 · Characterization by TGA, FTIR, EDX, XANES, EXAFS, and EQCM collectively provides unequivocal evidence that reversible oxidative NO 3− insertion takes place inside Mn …
Relationship between Mn Oxidation State Changes and ... - ACS Publications
May 16, 2021 · At more negative potentials, down to 0.2 V, EXAFS confirms an increase in oxygen vacancies as evidenced by changes in the Mn–O coordination distance and number, …
Magnetic properties of Mn3O4 and a solution of the
Jul 1, 1983 · The EXAFS analysis explains the reasons behind the enhancement in the magnetic properties and shows that the Mn doping content at x = 0.05 produces the most local atomic …
A) Mn 2p XPS spectra of Mn3O4 and Ru–Mn3O4. B) Ru 3d XPS …
Electrochemical N2 oxidation reaction (NOR), using water and N2 in the atmosphere, represents a sustainable approach for nitric production to replace the conventional industrial synthesis with...
Low-temperature oxidation of Mn3O4 hausmannite
Aug 1, 1998 · Extended X-ray absorption fine structure (EXAFS) data were collected using a Rigaku spectrometer with a rotating anode X-ray generator (Ru-200B, Rigaku, Japan). A …
Zeolitic imidazolate framework-derived bifunctional CoO-Mn3O4 ...
Feb 1, 2025 · In this work, we develop a zeolitic imidazolate framework (ZIF)-derived bifunctional CoO-Mn 3 O 4 heterostructure (CMH) enabling efficient ORR/OER via dynamic O-vacancy (O …
Mn K-edge (a) XAS and (b) XANES spectra of Mn, MnO, Mn3O4, …
(c) Variation of main-edge energies with oxidation states of Mn and (d) linear combination fitting of Mn3O4 for MnO and Mn2O3 as references (e) pi-diagram showing the fractions of 2+ (MnO) …
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