chemical_compound PetruPoni_Institute temp Magnetic Modulus PMNPT H-BN FuelCell UnivCollegeLondon nanobar TiO2 Ni81Fe19 Hexylthiophene Microchannel sputter PvdfBead BismuthVanadate Metal CalciumHydroxide CP-AFM Organic piezoelectric force microscopy Tin sulfide MLCC mechanical property AtomicSteps ThermalProperties Pzt blended polymers Ptfe Molybdenum Collagen PolyStylene MechanicalProperties Chloroform