Concentration of small ring structures in vitreous silica from a first-principles analysis of the Raman spectrum

Umari, P.; Gonze, X.; Pasquarello, Alfredo

doi:10.1103/PhysRevLett.90.027401

research article

Concentration of small ring structures in vitreous silica from a first-principles analysis of the Raman spectrum

Umari, P.

•

Gonze, X.

•

Pasquarello, Alfredo

2003

Physical Review Letters

A density-functional scheme for the calculation of Raman spectra of disordered materials was developed. Applied to vitreous silica, it was found that the HH Raman spectrum is strongly sensitive to intermediate range order.

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