Nanocrystalline textured EuO thin films are prepared by an oxygen loss process from a pure Eu2O3 bulk ceramic target through pulsed laser deposition in vacuum at room temperature. X-ray...

2024年8月1日 · XPS is a useful technique to quantify the chemical compositions and analyse the valence states of Eu 4d and O 1 s in Eu 2 O 3 nanoparticles. The core level electronic nature and chemical state of Eu is determined by Eu 4d region of the XPS spectra.

2018年10月31日 · The stoichiometry of the EuO films has been assessed by x-ray photoelectron spectroscopy (XPS) measurements, using a Theta Probe XPS system from Themofisher with a monochromatic 1486.6 eV Al-Kα X-rays operated at 15 kV and emission current of 6.7 mA.

2020年6月16日 · The stoichiometry of the EuO x nanocrystals has been assessed by X-ray photoemission spectroscopy (XPS) measurements using a Theta Probe XPS system from Thermo Fisher Scientific with monochromatic 1486.6 eV Al-Kα X-rays operated at 15 kV and an emission current of 6.7 mA.

2022年4月11日 · XPS spectra of the Eu core level taken from a stoichiometric EuO film, i.e., pure (green) and an film, i.e., pure (red). Vertical dashed lines display the binding energy values used for constructing the Shirley-type background.

The Basic XPS Information Section provides fundamental XPS spectra, BE values, FWHM values, BE tables, overlays of key spectra, histograms and a table of XPS parameters. The Advanced XPS Information Section is a collection of additional spectra, overlays of spectra, peak-fit advice, data collection guidance, material info,

We report an inverted and multilayer quantum dot light emitting diode (QLED) which boosts high efficiency by tuning energy band alignment between charge transport and light emitting layers.

2024年8月1日 · Eu 2 O 3 nanoparticles shows red-luminescence with increase in luminous colour purity. XPS core level spectra report the valence states of Eu cation as 3 + and 2 + and formation of oxygen vacancies. FM ordering (higher for 800 °C annealed temperature) in the Eu 2 O 3 nanoparticles is improved with formation of oxygen vacancies.

2019年9月9日 · Using a combination of density functional theory and in situ x-ray photoelectron spectroscopy, we study the atomic and electronic structure of the Eu/EuO interface. Calculations predict that electrons transfer from Eu metal into EuO and induce an unexpected downward band bending at the interface.

2009年5月21日 · We have succeeded in growing epitaxial and highly stoichiometric films of EuO on yttria-stabilized cubic zirconia (YSZ) (001). The use of the Eu-distillation process during the molecular beam epitaxy assisted growth enables the consistent achievement of stoichiometry.