Homogeneous metastable hexagonal phase iridium enhances hydrogen evolution catalysis

S Geng, Y Ji, J Su, Z Hu, M Fang, D Wang… - Advanced …, 2023 - Wiley Online Library
Catalytic reactions are surface‐sensitive processes. Fabrication of homogeneous
metastable metals can be used to promote phase‐dependent catalytic performance; …

Large current density for oxygen evolution from pyramidally-coordinated Co oxide

Y Hu, L Li, J Zhao, YC Huang, C Kuo, J Zhou… - Applied Catalysis B …, 2023 - Elsevier
Developing efficient electrocatalyst at large current densities to meet the requirement of
industrial water splitting is a big challenge today. Herein, we report a class of catalyst, BiCoO …

Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3

Z Liu, Y Sakai, J Yang, W Li, Y Liu, X Ye… - Journal of the …, 2020 - ACS Publications
Spin state transitions and intermetallic charge transfers can essentially change material
structural and physical properties while excluding external chemical doping. However, these …

[PDF][PDF] The AXEAP2 program for Kβ X-ray emission spectra analysis using artificial intelligence

IH Hwang, SD Kelly, MKY Chan, E Stavitski… - Journal of …, 2023 - journals.iucr.org
The processing and analysis of synchrotron data can be a complex task, requiring
specialized expertise and knowledge. Our previous work addressed the challenge of X-ray …

X-Ray Spectroscopy of Cobaltites

VR Galakhov - Physics of Metals and Metallography, 2021 - Springer
The ability of cobalt to take, depending on the temperature, pressure, and doping, various
charge and spin states in oxide compounds periodically becomes the topic of scientific …

Crystal and electronic structure of spinel under pressure probed by XANES and Raman spectroscopy

E Mijit, K Chen, JEFS Rodrigues, Z Hu, L Nataf… - Physical Review B, 2021 - APS
Crystal and electronic structure of Co 3 O 4 spinel have been investigated by x-ray
absorption near edge structure (XANES) at the Co K edge up to 58.5 GPa and Raman …

In situ grown CoS on nickel foam pre-deposited with sulphur as an efficient OER electrocatalyst

R Guo, S Zhang, H Wen, Z Ni, Y He, T Yu… - New Journal of …, 2021 - pubs.rsc.org
CoS-related catalysts usually have good OER activity, but require very complicated
preparation processes, so the corresponding mechanism analysis will proceed with …

C− C Coupling of Aryl Chlorides and Reduction of Nitroarenes to Amines Employing Recyclable Heterogeneous Green Catalysts

K Manna, B Suresh Kumar, T Maity… - ChemNanoMat, 2022 - Wiley Online Library
Two new isostructural inorganic coordination polymers,[M (C14H8O6)(C10H8N2)
2H2O)]⋅(C3H7NO),(M= Co, Ni) were prepared employing 2, 5‐bis (prop‐2‐yn‐1‐yloxy) …

Spin State and Spin‐State Transition of Co3+ Ion in BiCoO3

J Zhao, SC Haw, X Wang, Z Hu, CY Kuo… - … status solidi (b), 2021 - Wiley Online Library
Confusion has arisen about the Co spin‐state transition under high pressure for multiferroic
BiCoO3. The crystal structure analysis indicates a high‐spin (HS) to low‐spin (LS) state …

Disorder-driven cluster glass state in a geometrically frustrated hexagonal perovskite

S Chakravarty, ØS Fjellvåg, A Bhattacharyya, L Keller… - Physical Review B, 2023 - APS
We report the observation of cluster glasslike properties in a double perovskite ruthenate Ba
2 CoRuO 6 through structural (neutron and synchrotron x-ray diffraction), magnetic, and …