Interfacial engineering of CoMn2O4/NC induced electronic delocalization boosts electrocatalytic nitrogen oxyanions reduction to ammonia

Z Niu, S Fan, X Li, J Duan, A Chen - Applied Catalysis B: Environmental, 2023 - Elsevier
Abstract Electrocatalytic nitrate (NO 3−) reduction reaction (NO 3− RR) is a promising
avenue for wastewater treatment and value-added ammonia (NH 3) generation. Herein …

Large exchange bias effect and complex magnetism in a tetragonal high entropy spinel oxide

N Sharma, S Jangid, S Choudhury, SK Mahatha… - Applied Physics …, 2023 - pubs.aip.org
In this study, we have employed a high entropy approach to synthesize a hitherto
unexplored tetragonal high entropy spinel with composition (Mn 0.2 Co 0.2 Ni 0.2 Cu 0.2 Zn …

Low-temperature Griffiths phase in chemically synthesized CoMn2O4 spinel oxide

U Khan, A Nairan, X Wang, K Khan, AK Tareen… - Journal of Alloys and …, 2023 - Elsevier
Mixed transition metals and their oxides have gained a myriad of research interests because
of their wide applications in electronics, magnetism, and electrochemical energy storage …

Surface oxidation/spin state determines oxygen evolution reaction activity of cobalt-based catalysts in acidic environment

J Huang, CN Borca, T Huthwelker, NS Yüzbasi… - Nature …, 2024 - nature.com
Co-based catalysts are promising candidates to replace Ir/Ru-based oxides for oxygen
evolution reaction (OER) catalysis in an acidic environment. However, both the reaction …

Structure- and Local Structure-Driven Magnetic Properties of CoxMn3-xO4 (x = 1.00 to 2.00) Spinel Nanoparticles

S Rajput, GC Pandey, C Rath - The Journal of Physical Chemistry …, 2024 - ACS Publications
In the present paper, we have investigated the evolution of structure followed by local
structure-driven magnetic properties in Co x Mn3-x O4 nanoparticles synthesized through a …

Coexistence of tetragonal and cubic phase induced complex magnetic behaviour in CoMn2O4 nanoparticles

S Rajput, M Yadav, T Dehury, AK Yadav… - …, 2023 - iopscience.iop.org
CoMn 2 O 4, known for its extensive range of applications, has been subject to limited
investigations regarding its structure dependent magnetic properties. Here, we have …

Complex magnetism and large coercivity in a tetragonal high entropy spinel oxide

N Sharma, S Mandal, S Choudhury, SK Mahatha… - Scripta Materialia, 2024 - Elsevier
The disorder can exert a dominant impact on correlated and quantum materials, resulting in
unique behaviors that lack clear analogies in pristine conditions. In high entropy materials …

Stabilization of ferromagnetism via structural modulations in Cr-doped : A neutron diffraction and Raman spectroscopy study

Pooja, KS Chikara, Aprajita, SN Sarangi, D Samal… - Physical Review B, 2024 - APS
The magnetic ground state of CaRuO 3 is mystifying as it is poised on the verge of a
quantum critical point. Minute perturbations via strain, chemical doping (or inhomogeneity or …

Structure, Raman spectroscopy, and magnetic properties of new Al, Ga, and Mn-based high entropy oxides

N Sharma, S Mandal, S Marik - Ceramics International, 2024 - Elsevier
Recent advancements in high entropy oxides (HEOs) have sparked significant interest as a
promising frontier in materials research, revolutionizing the landscape of material design …

Strong signature of uncompensated magnetization in frustrated cobalt manganites using x-ray magnetic circular dichroism study

A Kumari, F Zainab, A Mishra, WW Tjiu… - Journal of Vacuum …, 2024 - pubs.aip.org
The present study is focused on the investigation of the distorted tetragonal phase of mixed
spinel oxides, due to their technological relevance in the field of electronics, spintronics …