  Owing to their unique tunable optical properties, chalcogenide phase change
materials are increasingly being investigated for optics and photonics
applications. However, in situ characterization of their phase transition
characteristics is a capability that remains inaccessible to many researchers.
In this article, we introduce a multi-functional silicon microheater platform
capable of in situ measurement of structural, kinetic, optical, and thermal
properties of these materials. The platform can be fabricated leveraging
industry-standard silicon foundry manufacturing processes. We fully
open-sourced this platform, including complete hardware design and associated
software codes.
