Synthesis and growth mechanism of titanate and titania one-dimensional nanostructures self-assembled into hollow micrometer-scale spherical aggregates

Article Abstract:

Three-dimensional, dendritic micrometer-scale spheres of alkali metal hydrogen titanate ID nanostructures is generated using a modified hydrothermal technique in the presence of hydrogen peroxide and an alkali metal hydroxide solution. A proposed two-stage growth mechanism of these hollow micrometer-scale spheres is supported by time-dependent scanning electron microscopy, atomic force microscopy, and inductively coupled plasma atomic emission spectrometry data.

Analysis, Atomic force microscopy

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Formation of well-ordered step structures on Si(111) by a combination of chemical etching and surface scratching for producing macrosized patterns

Article Abstract:

The investigation shows a combination of macrosized patterning by surface scratching and NH4F etching for H-terminated Si(111) surfaces, which leads to the formation of well ordered patterns of monohydride (Si-H)steps. The present work thus, provides a new promising approach to nanostructuring since, surface steps can be used as active sites for further surface modification.

Silicon

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Quantum chemistry studies of glycine-H2O2 complexes

Article Abstract:

The DFT-B3LYP/6-31++G(d,p) level of theory, natural bond orbital (NBO) and atoms in molecules (AIM) analysis are employed to report glycine-H2O2 complexes. The distinct cooperative effect and the typical resonance-assisted hydrogen-bonding mechanism are exhibited in these six-membered rings of complexes.

Hydrogen bonding, Hydrogen bonds, Quantum chemistry, Glycine

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