Dr. Wei-Kan Chu is an expert in the field of Ion Beam interaction with Solid. His early work on energy loss of ions in elements formed the foundation of his seminal work building Rutherford Backscattering Scattering (RBS) into a Spectrometry. RBS is one of the key instrumentation methods in material science. His research activity has great impact on ion implantation in microelectronics, Si chips fabrication, wafer bonding, and metallization of devices, as well as on proton beam radiation therapy for tumors. He co-authored a book, Backscattering Spectrometry, which is one of the most important methods of ion beam characterization of materials. He has made a unique contribution on the study of channeling to Super-lattices. He discovered a resonance effect on channeling in super-lattices which was used to measure the lattice strain at interfaces. His channeling application in High Temperature Superconductors has impact on the phase transformation of YBCO above critical temperatures. Chu and his team studied the interaction between High Temperature Superconductor and magnet, which resulted in a set of inventions including levitation bearings, non-contact clutch, linear transfer table, and vibration isolation. His recent research activities have ventured into radiation damage in polymers, Ion Beam applications in nano structures for bio-applications.
Publications/Creative Works
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