Amorphous materials
, , , and . "Controlled synthesis and size-dependent polarization domain structure of colloidal germanium telluride nanocrystals." Journal of the American Chemical Society 133 (2011) 2044–2047.
, , , , , , , , and . "Low-temperature integration of lead-based ferroelectric capacitors on Si with diffusion barrier layer." Applied Physics Letters 80 (2002) 3599–3601.