SNSs - disorder and chemical bonding

SNS= strongly noncrystalline solid

https://en.wikipedia.org/wiki/Chemical_bond

2015 AMORPHOUS DIELECTRIC THIN FILMS WITH EXTREMELY LOW MECHANICAL LOSS

Our result supports the notion that a-Si can be made a “perfect glass” with “crystal-like” properties,
thus offering an encouraging opportunity to use it as a simple crystal dielectric alternative in applications, such as in modern
quantum devices where TLS are the source of dissipation, decoherence and 1/f noise.