MechanicalProperties HexacontaneFilm BlockCopolymer silicon_oxide Piezoresponse molecular_beam Holes Silver SoftSample epitaxy SiWafer RedBloodCell Current aluminum_nitride HexagonalBN Sadowski Praseodymium atomic_layer Ni-FeAlloy organic_polymer MechanicalProperty EFMAmplitude Calcite GaAs block_copolymer doped Zhi Lattice C_AFM Phase conductive GaP SrO EvatecAG Temasek_Lab