About
The focused ion beam (FIB) instrument is used particularly in the semiconductor and materials science fields for site-specific analysis, deposition, and ablation of materials. The FIB instrument uses a focused beam of ions, e.g., Ga ions, and is incorporated in a system with both electron and ion beam columns, allowing the same feature to be investigated using either or both beams. Source ions are then accelerated to an energy of 5-30 keV (kiloelectronvolts), and focused onto the sample by electrostatic lenses. When the high-energy gallium ions strike the sample, they will sputter atoms from the surface. Because of the sputtering capability, the FIB is used as a micro-machining tool, to modify or machine materials at the micro- and nanoscale. The common smallest beam size is 2.5-6 nm.
Fees
FIB usage is $60/hour. The users must log into the log book and the individual Excel sheet prior to using the FIB for billing purposes. The log book comments will help in assessing a possible malfunction which may occur during the user’s time.
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