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Projects/Programs

Displaying 76 - 100 of 109

Nanoscale Thermal Properties

Completed
It is known that at the nanoscale, composition and interface structure play important roles in determining the mechanical, thermal, and electrical properties of multiphase nanomaterials and nanocomposites. To probe the thermal properties of these heterogeneous nanomaterials, local thermal analysis

The Nanotechnology Xccelerator

Ongoing
The Nanotechnology Xccelerator was announced on September 13, 2022 and was officially accepted for production at Skywater Technology Foundry using the Sky130 technology in Q1 2024. Sky130, which comes in both a conventional and open-source process design kit, is a 5-metal layer process. To

Nanotube Metrology

Completed
Single-wall carbon nanotubes (SWCNTs) are a tubular form of carbon consisting of a single shell of sp2 bonded carbon with a nanometer scale diameter that have many predicted properties superior to other available materials. However, every production technique for SWCNTs produces many different

Nanotube Quality Control

Completed
Thermogravimetric analysis (TGA) is widely used to gather data on nanotube chemistry. By monitoring weight loss as a function of temperature, one can determine decomposition kinetics and use this data to closely approximate the distribution of impurities present in a few milligrams of material

Nonlinear nanophotonic control of light

Ongoing
Light-matter interactions with nonlinear materials provide a powerful tool for converting optical fields from one state to another. For example, nonlinear wavelength conversion leverages efficient scattering of photons of a single frequency to another, enabling generation of coherent sources across

Operando Measurements of Electrochemical (Charge-transfer) Processes

Ongoing
There are two ways to study a very fast process such as charge transfer. One can use very high-speed measurement that can follow the effect of the process, or one use a method that is sensitive only to the process itself. Either way has its weakness. Many fast measurements can follow the process

Optical Methods for 3-D Nanostructure Metrology (Archived)

Completed
This project develops new approaches to optical microscopy based on a high magnification optical platform that samples the full 3-D scattered field. Both the semiconductor industry and the evolving nanomanufacturing sector are facing enormous challenges measuring nanometer scale features over large

Optical and Microwave Spectroscopy of Microelectronic Systems

Ongoing
Collaborations with industry leaders have led to new understanding of magnetic damping in advanced materials and replication of our magnetic metrology tools. We investigate fundamental aspects of spin transfer in materials and structures that offer improved performance in future devices such as

Optical Probes of 2D Magnetic Phenomena

Ongoing
The unique measurement capabilities developed in this Project enable diffraction-limited, optical spectra (both Raman and photoluminescence) to be collected and analyzed as a function of laser energy, polarization, temperature, magnetic field, and device parameters such as current load and back

Particles, Tubes, and Colloids

Ongoing
Description A highlight of the PTC project is our success in purification of well-defined SWCNT populations using liquid phase separation methods. Although we use multiple techniques and methods, ion exchange chromatography, rate-zonal and isopycnic ultracentrifugation, size exclusion chromatography

Photon Drag in Metal Films

Ongoing
The photon-drag (PD) effect is the rectified electrical current in a medium generated by radiation pressure. That is, the optical force delivered to an illuminated metal results in a measurable voltage across the film (Figure, left). For decades, this effect in metals has been understood in terms of

Photonic Quantum State Imaging Metrology

Ongoing
Fundamental understanding of quantum behavior of single molecules, which is a favorable candidate for quantum information processing technologies, has advanced gradually, relying on empirical studies mostly. This requires a measurement platform to study fundamental quantum characteristics in single

Photonic Thermometry

Ongoing
Why do we need reliable temperature metrology? Temperature, the second most measured physical property after time and frequency, is indispensable to innumerable industries, military services, medicine, climate, and weather forecasts – precise, accurate, and rapid temperature metrology enables much

Point-of-Care Pharmaceutical Manufacturing & Precision Medicine

Ongoing
We are employing quality by design (QbD) and risk assessment (cause-and-effect) approaches to investigate production technologies ( e.g., drop on demand or inkjet printing platforms) and appropriate analytical control strategies for point-of-care manufacture of narrow therapeutic index drugs

Polymers for Next-Generation Lithography

Completed
We work closely with the semiconductor industry to develop and apply measurements with high-spatial and chemically-specific resolution to elucidate the critical materials properties and process kinetics at nanometer scales that are needed to advance next-generation photolithography, including both

Prototyping Platforms for Emerging Technologies

Ongoing
Emerging technologies aim to overcome traditional memory limitations with higher density, lower power consumption, faster read/write speeds, better endurance, and lower cost [2]. Many new candidate memory elements are analog or stochastic, requiring new testing infrastructure, and the context of

Quantitative Nanoscale Imaging Through Artificial Intelligence

Ongoing
This project extends optical capabilities for the characterization of nanoscale devices as they increase in complexity, with challenging new materials properties, thicknesses, and length scales that challenge simplistic applications of the fundamental equations of electromagnetism. Critical

Quantum Conductance

Ongoing
The quantum Hall effect (QHE), and devices that exhibit it, will continue to serve as the foundation of the ohm while also expanding its territory into other SI derived units. The world adopted the quantum SI in 2019, and it remains essential that the global metrology community pushes forth and

Quantum Voltage Project

Ongoing
Researchers in the Quantum Voltage Project develop and disseminate highly accurate instruments that exploit the quantum mechanical properties of superconductive devices known as Josephson junctions (JJs), as well as measurement techniques and best-practices for using these instruments. When a JJ is

Quantum Waveform Metrology

Ongoing
The recent redefinition of the SI was motivated in part by the success of quantum-based electrical standards, such as those based on the Josephson effect. Quantum standards enable the direct realization of physical quantities that are traceable to fundamental constants, invariant with respect to

Raman Metrology and Instrumentation

Ongoing
Raman spectroscopy/microscopy is a powerful optical technique for rapid, non-destructive, label-free characterization of materials. It works under ambient conditions, often without requirement of any sample preparation. Applications span microelectronics, pharmaceutical, security and fundamental

Scanning-electron microscopy

Ongoing
Nanoscale measurements provide necessary feedback for the fabrication of nanoscale structures. However, achieving subnanometer uncertainty is challenging for even the best microscope systems. The challenge is even greater for three-dimensional nanostructures, which often require measurement of