Results 81 to 90 of about 46,511 (223)

Spin-filter effect of the europium chalcogenides: An exactly solved many-body model

open access: yes, 1998
A model Hamiltonian is introduced which considers the main features of the experimental spin filter situation as s-f interaction, planar geometry and the strong external electric field.
E. Ising   +26 more
core   +1 more source

Luminescence in sulfides : a rich history and a bright future [PDF]

open access: yes, 2010
Sulfide-based luminescent materials have attracted a lot of attention for a wide range of photo-, cathodo- and electroluminescent applications. Upon doping with Ce3+ and Eu2+, the luminescence can be varied over the entire visible region by appropriately
Hens, Zeger   +3 more
core   +2 more sources

Molecular imprinting for neurology: Materials, applications, and limitations

open access: yesIbrain, EarlyView.
Molecularly imprinted materials: diagnostic, therapeutic and research applications in neurology. Molecularly imprinted materials offer high specificity and affinity for target molecules in neurological applications. This review highlights their synthesis, characterisation, and use in diagnostics, research and therapeutics.
Xiaohan Ma   +3 more
wiley   +1 more source

Spinel Aluminate‐Based Heterojunctions as Photocatalyst: A Review

open access: yesChemistryOpen, EarlyView.
Spinel aluminates (MAl2O4; M = Zn, Mg, Ca, Sr) serve as robust platforms for designing heterojunction photocatalysts. Their stable lattices, tunable band structures, and efficient charge transport enable improved light‐driven carrier separation, significantly enhancing pollutant degradation efficiency in advanced photocatalytic systems.
Ancy Kurian, Sumathi Shanmugam
wiley   +1 more source

Application of Chiral Lanthanide-induced Shift Reagents to Optically Active Cations: the Use of Tris[3-(trifluoromethylhydroxymethylene)-( + )-camphorato]europium(III) to Determine the Enantiomeric Purity of Tris(phenanthroline)ruthenium(II) Dichloride [PDF]

open access: yes, 1984
In non-polar solvents, chiral europium complexes provide attractive n. m. r. shift reagents to resolve spectra of optically active cations, and, in particular, for tris(phenanthroline)ruthenium dichloride,^1H n. m. r. shift differences of up to 0.7 p.p.m.
Barton, Jacqueline K., Nowick, James S.
core   +1 more source

Development of Tunable Materials From Well‐Defined Alendronic Acid Functionalized Polyacrylamide: An Opportunity for Actinide Decontamination

open access: yesJournal of Polymer Science, EarlyView.
Alendronate‐based copolymers for Nd and Ce recovery. ABSTRACT Bisphosphonic acid groups are emerging as promising functionalities for actinide decontamination, due to their high density of chelating sites. However, the chemistry of bisphosphonate (in particular alendronate) materials remains complex and underexplored.
Vincent Darcos   +7 more
wiley   +1 more source

Characterization of Nanocrystals of Eu-Doped GaN Powders Obtained via Pyrolysis, Followed by Their Nitridation

open access: yesPhotonics
Nanocrystals of Eu-doped GaN powders are produced via pyrolysis of a viscous compound made from europium and gallium nitrates. Furthermore, carbohydrazide is used as a fuel and toluene as a solvent; subsequently, a crucial nitridation process is carried ...
Erick Gastellóu   +12 more
doaj   +1 more source

Luminescent glasses in art [PDF]

open access: yes
In this study the application of luminescent glasses under UV light in artworks is explored. Several lanthanide oxides were used in the glass composition to obtain different colours.
Almeida, Teresa   +4 more
core   +2 more sources

Lanthanide‐Doped NaGdF4 Nanoparticles as Versatile Luminescent Labels for Cathodoluminescence Mapping

open access: yesphysica status solidi (b), EarlyView.
This study presents a synthesis method for lanthanide‐doped NaGdF4 particles in an aqueous environment. Clearly distinct cathodoluminescence (CL) spectra were observed for europium‐ and thulium‐doped nanoparticles, stable for up to 100 s of excitation time.
Jörgen Jungclaus   +5 more
wiley   +1 more source

Dielectric relaxation studies of Eu3+ doped graphene oxide nano layers

open access: yesDiscover Materials
A bulk of graphene oxide nanosheets was prepared using the modified Hummers’ method. Rare earth materials, such as europium nitrate pentahydrate compounds, are added to graphene oxide in varying percentages to study the dielectric behavior of graphene ...
Nikhila Ann Abraham   +2 more
doaj   +1 more source

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