Method of forming crystal array

A method for forming an array of single crystalline seed crystals separated by an insulator, the seed crystals being formed from a single crystalline first substrate having first and second surfaces, the method comprising:

• (a) forming an array of grooves in the first surface of the single crystalline first substrate, the array of grooves defining a plurality of protrusions upon the first surface of the single crystalline first substrate;
• (b) forming a conductive layer within the grooves formed in the first surface of the single crystalline substrate;
• (c) filling the grooves with the insulator:
• and
• (d) removing a sufficient portion of the second surface of the first substrate to expose the insulator disposed within the grooves;
• (e) wherein the step of removing a portion of the second surface results in the formation of an array of single crystalline seed crystals separated by the insulator, the single crystalline seed crystals and the insulator being exposed upon both the first and second surfaces of the array.