“…Some other methods include the ribbon against drop (RAD) method [152], where silicon is deposited as aligned grains on a carbon substrate, and the silicon on ceramic process [153], which is similar to the RAD process except that the substrate is a ceramic material. Some other methods include the ribbon against drop (RAD) method [152], where silicon is deposited as aligned grains on a carbon substrate, and the silicon on ceramic process [153], which is similar to the RAD process except that the substrate is a ceramic material.…”