Zinc oxide nanostructures: Morphology derivation and evolution

Article Abstract:

Zinc oxide nanostructures of various types, including nanobelts, nanoplatelets, nanowires and nanorods are synthesized via well-developed routes by many research groups. The finding may have an important impact on the qualitative understanding of the morphology evolution of nanostructures and the achieving of desired nanostructures controllably.

Observations, Transmission electron microscopes, Zinc oxide, Properties

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Probing electron transfer dynamics at MgO surfaces by Mg-atom desorption

Article Abstract:

A study uses femtosecond pulse-pair excitation to explore ultrafast electron transfer dynamics of low-coordinated MgO surface sites. Results indicate that ultraviolet excitation of high surface area MgO films using 4.7 eV femtosecond pulses results in neutral Mg-atom desorption with hyperthermal kinetic energies in the range 0.1-0.4 eV.

Analysis, Electron transport, Time-of-flight mass spectrometry, Kinetic energy

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Kinetics-driven growth of orthogonally branched single-crystalline magnesium oxide nanostructures

Article Abstract:

Orthogonally branched nanostructures, cubes, and straight nanowires of magnesium oxide (MgO) induced by a growth mechanism are respectively synthesized by thermal evaporation of Mg in the gas of mixture of Ar and O2. Structural characterization reveals valuable information in understanding their growth mechanism.

Functions, Orthogonal, Orthogonal functions

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