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A commercial time measurement system can also be used to achieve similar results by building-in a comparable GPS receiver to generate the file format compatible with TMAS service. Commercial manufacturers can sell the equipment with this option, which would be activated when customers subscribe to...

Topological Insulators

Ongoing

Dichalcogenide-Based Topological Insulators A family of TI materials can by synthesized by combining binary compounds of Bismuth (Bi) or Antimony (Sb) with Selenium (Se) and Tellurium (Te) to form Bi 2Se 3, Bi 2Te 3, and Sb 2Te 3 compounds. In these material compounds, the spin of the electron has a...

Exploded cross section diagram representing the simplified structure layers in a MOSFET transistor.

Transport Property Measurements for Semiconductors and Energy Materials

Ongoing

The image above is an exploded cross section diagram representing the simplified structure layers in a MOSFET transistor. Thermoreflectance (TR) laser-based measurement techniques, a key focus of this project, can measure the thermal properties of substrates, thin films, multilayer structures, and...

Trapped Sr+ ion clock; a secondary realization of the SI second

Ongoing

The single 88Sr + clock is attractive for both its frequency accuracy and for its relative simplicity. The 674 nm clock transition has been independently studied at several NMI’s at the 10 -17 level [1-4]. Advances in light source technology [5,6] may allow operation with just two lasers: one for...

Computer-generated image showing a cross-shaped gold metal cutout on a red mount in between two metal posts, with an inset magnifying the cutout to show blue and yellow balls at the center.

Trapped Ion Optical Clocks

Ongoing

This project uses techniques from quantum information science to enable precision metrology. We use the dipole-forbidden 1S 0 - 3P 0 transition in singly-ionized aluminum as an stable frequency reference (natural linewidth ~8 mHz), which we detect using quantum logic spectroscopy with a second ion...

Ultrafast Spectroscopy to Advance Microelectronics

Ongoing

Continued advancement in microelectronics, including analog and digital electronics, power electronics, optics and photonics, and micromechanics for memory, processing, sensing, and communications as defined by the OSTP “National Strategy on Microelectronics Research,” requires knowledge of material...

Understanding Confined Fluids using Theory, Simulation, and Data-Driven Methods

Ongoing

The most promising materials for capturing CO 2 (or other greenhouse gases like CH 4 ) from air or flue gas possess a large internal surface area per unit mass because they are composed of pores with diameters in the range of tens-to-hundreds of nanometers. Collectively referred to as mass...

Using Quantum Information for Thermodynamics

Ongoing

We re-envision thermodynamics using the mathematical and conceptual toolkit of quantum information theory. We call this research “quantum steampunk,” after the steampunk genre of art, literature, and film that juxtaposes Victorian settings with futuristic technologies. Leveraging quantum...

X-ray Testbed for Breakthrough Catalyst Measurements

Ongoing

Interested in collaborating? See below What does this project do for industry? Current measurement techniques are unable to follow the reaction pathways during catalysis and are limited to observing only the end products or looking at catalysts outside of realistic reaction conditions. Our new...

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Physics

Projects/Programs

TMAS Data Service

Topological Insulators

Transport Property Measurements for Semiconductors and Energy Materials

Trapped Sr+ ion clock; a secondary realization of the SI second

Trapped Ion Optical Clocks

Ultrafast Spectroscopy to Advance Microelectronics

Understanding Confined Fluids using Theory, Simulation, and Data-Driven Methods

Using Quantum Information for Thermodynamics

X-ray Testbed for Breakthrough Catalyst Measurements

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