DOE molecule nanomechanical Inorganic_Compound neodymium_magnets Non-ContactMode Pzt SiliconOxide Wonseok Subhajjit Phthalocyanine MfmPhase SThM Chrome InsulatorFilm BismuthVanadate NUS_NNI_Nanocore Mosfet Christmas Fe_film Scratch UnivMaryland Wang ChemicalCompound AM_KPFM ElectroDeposition PANI Titanate FM_KPFM Liquid Plug China TungstenDeposition PUR India