A2. SOW 461513 Specs.pdf
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- Solicitation number
- RFQ_461513
- Issued by
-
Department of Energy Office of Science
About this file
This Statement of Work (SOW) details the procurement of two specialized microscopy research instruments for Brookhaven National Laboratory. Item 1 is a Liquid Nitrogen (LN2) cooling Transmission Electron Microscope (TEM) holder with electrical feedthroughs, featuring simultaneous heating and biasing control from -100K to 800°C, double-tilt capability, compatibility with MEMS chips and 3mm TEM grids, and a removable 4-hour liquid nitrogen dewar. Item 2 is a Scanning Electron Microscopy (SEM) stage with high-frequency capabilities, including RF cable integration for in situ biasing experiments, a flippable head stage, and compatibility with the same MEMS chip used in the TEM holder.
The deliverables have specific timelines: Item 1 (TEM holder) is due 150 days after contract award, while Item 2 (SEM stage) is due 360 days after contract award. The procurement is part of a pre-solicitation notice under RFQ_461513 by the Department of Energy Office of Science, with Brookhaven Science Associates, LLC expecting to make a single Firm Fixed Price contract award. The instruments are designed for advanced research applications, emphasizing precise temperature control, electrical biasing, and compatibility across different microscopy platforms.
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Statement of Work
Brief description of the items:
The TEM sample holder is used to mount thin research samples for insertion into the transmission electron microscope (TEM). The item to be purchased has special capabilities that allows apply electric bias to the thin TEM samples at variable temperatures from LN2 (~ 100 K) to 1000 K (or 800 oC). The item should have MEMS chip that allows heating without significant sample drift. Additionally, this purchase includes the co-development of an SEM stage for high-frequency excitation of samples.
Specifications:
Item1: Liquid nitrogen (LN2) cooling TEM holder with electrical feedthroughs
-Simultaneous and precise heating and biasing control during cooling, with temperatures ranging from LN2 to 800°C.
-Double-tilt capability (range depends on pole-piece type).
-Compatibility with both MEMS chips and 3mm TEM grids.
-Removable, large liquid nitrogen dewar with at least 4 hours of operation time.
-Integrated heater and sensor inside the holder shaft for enhanced stability.
-Specialized MEMS chip design, including: 4-contact microheater for temperature stability in the mK regime, and capability to combine high E-field with 800°C without reaching breakdown voltage.
Item2: Scanning electron microscopy (SEM) stage with high-frequency capabilities
-Integration of RF cables for high-frequency in situ biasing experiments with temperature-controlled heating.
-Flippable and removable head stage for switching between in situ SEM (sample facing up) and in situ TKD (sample facing down).
-Compatibility with the same MEMS chip for both the Lightning Arctic TEM holder and SEM stage.
Deliverables:
Item 1: Liquid nitrogen (LN2) cooling TEM holder with electrical feedthroughs – 150 days after contract award.
Item 2: Scanning electron microscopy (SEM) stage with high-frequency capabilities – 360 days after contract award.
X Myung-Geun Han
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