Whereas structural and vibrational properties of crystalline materials can be measured in great detail by various techniques, properties of amorphous ... appearance of gap modes in the surface ...

"Unlike crystalline materials, where the vibrations become collective motions that act like sound waves, in amorphous materials, you get a different kinds of vibrations, the majority of which look ...

"Point defects, dislocations, stacking faults and grain boundaries are often found in crystalline materials ... of studying the local vibrational modes at intrinsic and non-intrinsic defects ...

Quartz and quartz crystal are members of silica. Amorphous silica is where atomic arrangement of silica is quite random. It is often denoted as a-SiO 2. (2) Vibrational energy harvester A system ...

reaching the regime reserved for strong crystalline materials and approaching levels experimentally shown in graphene nanoribbons. Amorphous SiC strings with high aspect ratios are fabricated, with ...

Additionally, several methods can differentiate between different crystalline or amorphous API forms, with Raman spectroscopy and Raman microscopy being particularly useful. When crystallization is ...

The picocavity was formed between a silver nanotip and a silver single-crystal substrate under ... spectroscopy to resolve its vibrational and rotational modes with unprecedented detail, revealing ...

Boston, with its long history and organic, disordered development, resembles an amorphous liquid, he says. New York, with its high density and regular street grid, has a crystalline structure.

"Point defects, dislocations, stacking faults and grain boundaries are often found in crystalline materials ... of studying the local vibrational modes at intrinsic and non-intrinsic defects ...

Quartz and quartz crystal are members of silica. Amorphous silica is where atomic arrangement of silica is quite random. It is often denoted as a-SiO 2. (2) Vibrational energy harvester A system ...

The Japanese research team elucidated the microscopic mechanism in which amorphous silica (1) becomes negatively charged as a vibrational energy harvester (2), which is anticipated to achieve ...