mfm_amplitude PtfeFilter SiliconCrystal MfmPhase StyreneBeads Styrene C_AFM CP-AFM PhaseTransition molecular_beam FuelCell IcelandSpar SKPM CNT Mfm PtfeMembrane BismuthVanadate #Materials CeNSE_IISc cross section Alloy Strontium LDPE Modulus Silver University_of_Regensburg TyphimuriumBiofilm C36H74 HBN Nanofiber Step Chrome Polyimide Ecoli LaAlO3