Boson Peak and Superstructural Groups in Na<sub>2</sub>O-B<sub>2</sub>O<sub>3</sub> Glasses

<div>Schematic illustration of the B<sub>3</sub>O<sub>3</sub>⌀<sub>3</sub> boroxol ring.</div>

Advances in Condensed Matter Physics

Figure 5: Boson Peak and Superstructural Groups in Na<sub>2</sub>O-B<sub>2</sub>O<sub>3</sub> Glasses 