Results 91 to 100 of about 15,658 (215)

Structural, Superconducting and Magnetic Properties of Oxygen‐Annealed Fe1+yTe Thin Films

open access: yesAdvanced Physics Research, Volume 5, Issue 3, March 2026.
FeTe:Ox films exhibit exchange bias below their Néel temperatures, which coexists with superconductivity. STEM analysis reveals the structural changes induced by oxygen treatment. DFT calculations indicate that interstitial oxygen suppresses antiferromagnetism and promotes superconductivity.
Miao Meng   +15 more
wiley   +1 more source

Scaling Behavior and Beyond Equilibrium in the Hexagonal Manganites

open access: yesPhysical Review X, 2012
We show that the improper ferroelectric phase transition in the multiferroic hexagonal manganites displays appropriate symmetry-breaking characteristics for testing the Kibble-Zurek mechanism originally proposed to describe early-universe phase ...
S. M. Griffin   +5 more
doaj   +1 more source

Įvairialyčiai lantano ir mangano oksido ir multiferoinio bismuto ferito heterodariniai

open access: yesMedžiagotyra, 2011
Pastaruoju metu naujų elektronikos prietaisų gamyboje buvo pasiekta didelė pažanga auginant, tyrinėjant ir pritaikant plonasluoksnes struktūras, sudarytas iš įvairių daugiakomponenčių funkcinių oksidų.
Bonifacas VENGALIS   +1 more
doaj   +1 more source

The enhancement of phase separation aspect in electron doped manganite Ca0.8Sm0.16Nd0.04MnO3

open access: yes, 2003
The complex lanthanide doping of electron manganites results in enhancement of various phase separation effects in physical properties of these compounds.
A N Vasil ev   +23 more
core   +1 more source

Synthetic Engineering of Manganese Oxide–Carbon Nanocomposites for Maximized Metal Utilization in Supercapacitors

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 2, March 2026.
A one‐pot metal–ammonia synthesis enables uniform Mn2O3 nanoparticle deposition on activated carbon, yielding composites with excellent electrochemical performance in supercapacitors. The method maximizes manganese utilization, eliminates toxic solvents, and achieves 34% of the theoretical maximum capacitance, significantly outperforming existing Mn–C ...
Katrina Mazloomian   +4 more
wiley   +1 more source

Surface spin glass and exchange bias effect in Sm0.5Ca0.5MnO3 manganites nano particles

open access: yesAIP Advances, 2011
In this letter, we report that the charge/orbital order state of bulk antiferromagnetic Sm0.5Ca0.5MnO3 is suppressed and confirms the appearance of weak ferromagnetism below 65 K followed by a low temperature spin glass like transition at 41 K in its ...
S. K. Giri, A. Poddar, T. K. Nath
doaj   +1 more source

Ultrafast Terahertz Field Control of the Emergent Magnetic and Electronic Interactions at Oxide Interfaces

open access: yesAdvanced Materials, Volume 38, Issue 8, 6 February 2026.
Intense single‐cycle THz electric‐field pulses enable ultrafast control of emergent electronic and magnetic states at LaNiO3/CaMnO3 interfaces. Combined X‐ray and optical probes reveal sub‐picosecond demagnetization driven by spin‐polarized currents and slower magnetoelastic dynamics linked to spin–lattice coupling.
Abigail M. Derrico   +15 more
wiley   +1 more source

Estudio Mössbauer para el sistema La0.7M0.3Mn1-xFexO3-y (M = Pb, Sr, 0.01 ≤ X ≤ 0.3)

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2000
On cooling the compounds of the form La1-xMxMnO3-y (where M is divalent cation) show a large decrease in resistivity associated with a paramagnetic to ferromagnetic transition.
Rojo, T.   +3 more
doaj  

Structural and electromagnetic characteristics of perovskites in La1–c–xSrc+xMn1–xMe4+xO3 systems (Me=Ge, Ti)

open access: yesEPJ Web of Conferences, 2013
Experimental data are shown for the influence of substituting quadrivalent ions on the concentration phase transitions “rhombohedral-orthorhombic structure” and “semiconductor-metal” in ceramic manganites of specifically designed system La3+1–c–xSr2+c ...
Karpasyuk V.   +5 more
doaj   +1 more source

Magnetorresistência colossal em La5/8-yPr yCa3/8MnO3 Magnetoresistance in La5/8-yPr yCa3/8MnO3

open access: yesCerâmica, 2007
Amostras policristalinas de La5/8-yPr yCa3/8MnO3, 0 0,35) revelam um efeito de magnetorresistência colossal amplificado devido à coexistência e competição das FMM e OCI cujas frações volumétricas podem ser alteradas via mudança da temperatura e ...
S. H. Masunaga, R. F. Jardim
doaj   +1 more source

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