Periodically Poled Lithium Niobate (LiNbO3) PFM Test Sample
HOPG is widely used as a substrate for specimens to be examined in scanning probe microscopy. It is also used as a calibration specimen and cleaves almost like mica because of its layered structure. (HOPG 3.5 ± 1.5 Mosaic Spread)
Highly Oriented Pyrolytic Graphite (HOPG) ZYA grade sample assembly