self-assembled_monolayer Spain DOE Annealed Worcester_Polytechnic_Institute Gallium SiliconCrystal Current Growing Magnetostrictive Materials self_healing GaP STO MeltingPoint dielectric_trench SolarCell Conductive AFM fluoroalkane Perovskite Domain Varistor Temasek_Lab Flake BismuthVanadate BiasMode FrictionForce EvatecAG heterojunctions NUS_Physics PrCurve Moire Yeditepe_University PolyStylene nanomechanical