SFAs strontiu_titanate HBN Ucl Etch Bismuth SiliconeOxide DOE PS_PVAC Aluminum CHRYSALIS_INC self_assembly Zhi conductive Cobalt FrictionalForce GalliumPhosphide ForceVolumeMapping WWafer HexagonalBoronNitride SmalScan Kevlar Pinpoint PFM Yeditepe_University Iron Conduct MoirePattern Terrace ShenYang TungstenDeposition flakes Dental cooling neodymium_magnets temperature controller AFM