B1 SAM_Sol BSA475591 Amendment 4 QA.pdf

This is a Questions and Answers document (Amendment 4) for federal contract opportunity BSA475591. The document addresses two technical inquiries related to equipment specifications required under the contract.

The first question pertains to the cryostat model, with the answer specifying the Cryo Vac Cryostat 5-04-4417B as the required equipment. The second question addresses the multiprobe system, identifying the UHV-MultiProbe Surface Analysis System as the specified instrument. This system integrates multiple surface-sensitive analysis capabilities including Ultra-High Vacuum Scanning Tunneling Microscopy (UHV-STM), X-ray Photoelectron Spectroscopy (XPS), Ultraviolet Photoelectron Spectroscopy (UPS), Ion Scattering Spectroscopy (ISS), Low-Energy Electron Diffraction (LEED), and Temperature-Programmed Desorption (TPD). These responses provide clarification on the specific technical equipment and analytical instrumentation required for performance under contract BSA475591.