Recent advances of ferromagnetism in traditional antiferromagnetic transition metal oxides

H Zhang, B Xia, D Gao - Journal of Magnetism and Magnetic Materials, 2023 - Elsevier
Transition metal oxides (TMOs) play an important role in scientific research and
technological advance. Attributing to the excellent physical and chemical properties, they …

[HTML][HTML] Coexisting nanoscale inverse spinel and rock salt crystallographic phases in NiCo2O4 epitaxial thin films grown by pulsed laser deposition

H Sharona, B Loukya, U Bhat, R Sahu… - Journal of Applied …, 2017 - pubs.aip.org
The origin of alternating wavy dark-bright stripe-like contrast in strain contrast transmission
electron microscopy images of NiCo 2 O 4 (NCO) epitaxial thin films grown by pulsed laser …

Probing the localization of magnetic dichroism by atomic-size astigmatic and vortex electron beams

DS Negi, JC Idrobo, J Rusz - Scientific Reports, 2018 - nature.com
We report localization of a magnetic dichroic signal on atomic columns in electron magnetic
circular dichroism (EMCD), probed by beam distorted by four-fold astigmatism and electron …

Oxygen vacancies induced ferromagnetic behaviors in Co3O4–δ: An experimental and first-principles study

P Wang, C Jin, P Li, DX Zheng, JL Gong, HL Bai - Thin Solid Films, 2018 - Elsevier
The structural and magnetic properties of Co 3 O 4–δ were investigated by both first-
principles and experimental studies. The results of first-principles calculations indicate that …

Spin-entropy induced thermopower and spin-blockade effect in CoO

DS Negi, D Singh, PA van Aken, R Ahuja - Physical Review B, 2019 - APS
We report spin-entropy-induced thermopower and the occurrence of a spin-blockade effect
in stoichiometric disordered CoO. Cation defect-driven distortion in the octahedral ligand …

Prospect for detecting magnetism of a single impurity atom using electron magnetic chiral dichroism

D Negi, PM Zeiger, L Jones, JC Idrobo, PA van Aken… - Physical Review B, 2019 - APS
Dopants, even single atoms, can influence the electrical and magnetic properties of
materials. Here we demonstrate the opportunity for detecting the magnetic response of an …

Defect driven spin state transition and the existence of half-metallicity in CoO

DS Negi, R Datta, J Rusz - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
We unveil the native defect induced high spin to low spin state transition in and half-
metallicity in CoO. First principles calculations unravel that, defect density holds a key role in …

Coexisting commensurate and incommensurate charge ordered phases in CoO

D Negi, D Singh, R Ahuja, PA van Aken - Scientific Reports, 2021 - nature.com
The subtle interplay of strong electronic correlations in a distorted crystal lattice often leads
to the evolution of novel emergent functionalities in the strongly correlated materials (SCM) …

Influence of annealing on the structural, optical and magnetic properties of CoO thin films

V Helen, J Joseph Prince - Materials Research Innovations, 2019 - Taylor & Francis
Cobalt oxide (CoO) nanoparticles have great potential in chemical and industrial sectors,
specifically for fabricating energy storage devices. In this research, we have synthesised …

[PDF][PDF] The Effect of Oxygen Vacancies and Strain on the Curie Temperature of La0.7Sr0.3MnO₃ Films

R Ma, J Hou, H Yang - Journal of Magnetics, 2018 - tkms.allforone21.com
The effects of oxygen vacancies and strain on the magnetism and Curie temperature of La0.
7Sr0. 3MnO3 (LSMO) thin films deposited by PLD are investigated by changing oxygen …