https://www.draeger.com/id_id/Substances/1450
Beryllium oxide | BeO | 1304-56-9
Beryllium oxide | BeO
beryllium oxidebeo1304569
https://www.nist.gov/publications/complex-permittivity-beryllium-oxide-between-100-and-300kelvins-93-gigahertz
Complex Permittivity of Beryllium Oxide Between 100 and 300Kelvins at 9.3 Gigahertz | NIST