Enhanced Medium Range Order in Vapor Deposited Germania Glasses at Elevated Temperatures

no code implementations • 17 Feb 2021 • Le Yang, Gabriele Vajente, Mariana Fazio, Alena Ananyeva, GariLynn Billingsley, Ashot Markosyan, Riccardo Bassiri, Kiran Prasai, Martin M. Fejer, Carmen S. Menoni

Herein, we show the atomic arrangement of strong network forming GeO2 glass is modified at medium range (< 2 nm) through vapor deposition at elevated temperatures.

Materials Science

Structural evolution of binary oxide nanolaminates with annealing and its impact on room-temperature internal friction

no code implementations • 8 Oct 2020 • Le Yang, Mariana Fazio, Gabriele Vajente, Alena Ananyeva, GariLynn Billingsley, Ashot Markosyan, Riccardo Bassiri, Martin M. Fejer, Carmen S. Menoni

Internal friction in oxide thin films imposes a critical limitation to the sensitivity and stability of ultra-high finesse optical cavities for gravitational wave detectors.

Materials Science