Mechanism of ZnO nanotube growth by hydrothermal method on ZnO film-coated Si substrates

Article Abstract:

ZnO nanorods (NRs) and nanotubes (NTs) are synthesized by a hydrothermal method on Si substrates that was precoated by pulsed laser decomposition (PLD) with a thin ZnO film. High-resolution transmission electron microscopy and selected area electron diffraction analysis confirms that the NTs are ZnO single crystals and that their growth direction is along [0001], the c-axis.

Zinc oxide, Thermal analysis, Chemical properties, Nanotubes

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Diffusionless crystal growth from glass has precursor in equilibrium liquid

Article Abstract:

The glass-crystal (GC) growth is studied by growing multiple crystal polymorphs from the liquid of ROY (5-methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile). The results have highlighted that the GC growth is enabled by molecular motions that are native to the glass but still persist in the viscous liquid.

Science & research, Research, Observations, Molecular rotation, Polymorphism (Crystallography), Crystal glass, Structure

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Optical control of coherent lattice motions probed by femtosecond electron diffraction

Article Abstract:

The study on laser-induced coherent lattice motions using femtosecond electron diffraction is reported. The successful control of coherent lattice motions is demonstrated by using a pair of optical excitation pulses and varying their time delay and relative pulse intensities.

Lattice dynamics, Optical properties, Crystal lattices

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