Highly oxidized oxide surface toward optimum oxygen evolution reaction by termination engineering

X Li, L Ge, Y Du, H Huang, Y Ha, Z Fu, Y Lu, W Yang… - ACS …, 2023 - ACS Publications
The oxygen evolution reaction (OER) is a critical step for sustainable fuel production through
electrochemistry process. Maximizing active sites of nanocatalyst with enhanced intrinsic …

Advances in texturing and thermoelectric properties of a calcium cobaltite ceramic via combined spark plasma sintering and spark plasma texturing

K Kruppa, A Karlin, II Maor, F Steinbach… - Advanced Functional …, 2025 - Wiley Online Library
Misfit‐layered calcium cobaltite [Ca2CoO3‐δ] 0.62 [CoO2] is an outstanding p‐type
semiconducting thermoelectric with strong anisotropic properties. Texture engineering is …

Improved High Temperature Thermoelectric Properties in Misfit Ca3Co4O9 by Thermal Annealing

A Chatterjee, A El Sachat, A Banik, K Biswas… - Energies, 2023 - mdpi.com
Ca3Co4O9, a p-type thermoelectric material based on transition-metal oxides, has garnered
significant interest due to its potential in thermoelectric applications. Its unique misfit-layered …

[HTML][HTML] Magnetic field enhanced thermal conductivity and origin of large thermopower in layered cobaltates

Y Yin, F Shi, GQ Liu, A Tiwari, J Hao, L He, D Liu… - Journal of …, 2023 - Elsevier
Cobalt oxide, as one of the most fascinating examples of correlated electronic system,
exhibits several exotic transport characteristics, such as superconductivity, charge ordering …

Impact of Oxygen Stoichiometry on the Thermoelectric Properties of Bi2Sr2Co2Oy Thin Films

A Chatterjee, A El Sachat… - ACS Applied Energy …, 2024 - ACS Publications
In this study, we present a comprehensive analysis of the thermoelectric (TE) properties of
highly c-axis-oriented thin films of layered misfit cobaltates Bi2Sr2Co2O y. The films exhibit a …

Crossover from itinerant to localized states in the thermoelectric oxide

H Sakabayashi, R Okazaki - Physical Review B, 2021 - APS
The layered cobaltite [Ca 2 CoO 3] 0.62 [CoO 2], often expressed as the approximate
formula Ca 3 Co 4 O 9, is a promising candidate for efficient oxide thermoelectrics, but an …

Regulating Na Occupation to Introduce Non-Fermi-Liquid States of NaxCoO2 for Enhanced Water Oxidation Activity

X Li, W Sun, C Hao, Y Bai, Z Fu, Y Lu… - The Journal of …, 2022 - ACS Publications
The couplings among fundamental quantum parameters provide versatile freedom of
manipulations for useful electronic structures, based on which optimized oxygen evolution …

Magnetic correlations in subsystems of the misfit cobaltate

A Ahad, K Gautam, K Dey, SS Majid, F Rahman… - Physical Review B, 2020 - APS
[Ca 2 CoO 3] 0.62 [CoO 2], a two dimensional misfit metallic compound, is famous for its rich
phases accessed by temperature, ie, high temperature spin-state transition, metal-insulator …

Spontaneous Hall Effect in a Triangular Lattice [Ca2CoO3]0.62[CoO2]

H Seki, R Okazaki - … of the 29th International Conference on Low …, 2023 - journals.jps.jp
A noncoplanar spin ordering and a topological Hall effect (THE) may appear in triangular
lattice systems with 3/4-filling bands due to the nesting of the Fermi surface. One possible …

[PDF][PDF] Ca3− xYbxCo4O9 y Ca3Co4− xFexO9

GBG Vega - 2023 - ru.dgb.unam.mx
La termoelectricidad se ha estudiado durante más de dos siglos y su importancia recae en
el hecho de ofrecer un camino sostenible para recuperar y convertir el calor residual en …