New heterogeneous chemical oscillators: Reduction of manganese species by hypophosphite on a Pt surface

Article Abstract:

The family of heterogeneous oscillators that does not fit into heterogeneous solid-gas and solid-liquid oscillatory chemical systems is reported. The potential of a Pt vs reference electrode pair oscillates with an amplitude of 300-400 mV, in an aqueous solution containing manganese species of higher oxidation states and sodium hypophosphite, without any imposed external current or voltage.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Sodium Hypophosphite, Analysis, Chemistry, Physical and theoretical, Physical chemistry, Oscillation, Oscillations

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Optical and surface structural properties of Mn(super 2+)-doped ZnSe nanoparticles

Article Abstract:

The method of Cumberland that can be adapted to prepare Mn(super 2+)- doped ZnSe nanoparticles is demonstrated. The results stated that a uniform and homogenous distribution of Mn(super 2+) in the nanoparticle was not achieved; consequently, the Mn(super 2+) ions lie toward the surface of the nanoparticles and possibly occupy two different sites in the nanoparticle lattice.

Ions, Particles, Optical properties, Particulate matter

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Franck-Condon modes in Sr2MnWO6 double perovskite

Article Abstract:

The polarization resonance Raman scattering data revealed two different series of Franck-Condon modes in double perovskite Sr2MnWO6 single crystals. The lattice distortion has been estimated from the observed Franck-Condon peak positions and intensities.

Science & research, Research, Raman effect, Atomic properties, Strontium

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