I am looking forward to have some expert opinions about mechanical methods for sample preparation on TEM grids (single hole or mesh). Ultramicrotome and simple scotch type technique are mostly used to isolate the atomic layers from bulk crystals on TEM grids. But I am looking forward to have better mechanical techniques to prepare 30 to 50 nm long flaks (0.30x0.30 mm roughly) .
Please fire me with your ideas and suggestion !