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Materials

Materials characterization

Projects/Programs

Keyword

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Synthesis and longevity of candidate direct air capture (DAC) materials

Ongoing

We have been working on the identification and development of repeatable synthesis techniques for DAC materials for the purposes of generating repeatable samples for evaluating DAC characterization techniques. We have initially focused on impregnated and grafted aminosilane-silica materials. We are...

Thermal Desorption Ambient Mass Spectrometry

Ongoing

The Surface and Trace Chemical Analysis Group is involved in a number of research avenues for the rapid screening of wipe-collected samples for the security and forensic chemistry fields. Similar to the widely-deploy ion mobility spectrometry (IMS) systems for screening, this is accomplished through...

Thermoelectric Measurements

Ongoing

Thermoelectric effects enable the inter-conversion of thermal and electrical energy, with applications that include solid-state waste heat recovery in engines for automotive and industrial manufacturing; power generation for aerospace, non-terrestrial exploration, and remote sensing; and...

Time-of-Flight Secondary Ion Mass Spectrometry

Ongoing

ToF-SIMS is an imaging mass spectrometry (MS) technique that allows us to obtain isotopic, elemental, and molecular information from the surface of solid samples. A pulsed, energetic “primary” ion beam bombards the surface and induces a collision cascade, liberating “secondary” ions that are then...

Tissue Engineering

Ongoing

Tissue Engineering Measurands: Tissue engineering measurands are confusing to discuss and a charting method to improve communication is demonstrated. Measurement Assurance Strategies for Regenerative Medicine: Reliable methods for assessing product consistency and quality. Regenerative Medicine...

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...

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...

X-Ray Computed Microtomography

Ongoing

Impact XCT gives information that cannot be obtained any other way from opaque materials and objects. It gives us an “eye inside” so that features, of a certain size range, can be seen. The Division’s XCT instruments can reconstruct 3D images with a voxel size down to about 0.5 micrometers, at the...

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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