Thermal properties

News and Updates

Microwave Detectors and Multiplexing: NIST Researchers Help Astronomers Examine the Early Universe

January 24, 2024

Perched atop a high plateau in Chile’s Atacama Desert, a long-awaited observatory is beginning to take shape: the largest suite of ground-based telescopes

A man in safety goggles crouches at the back of an open air-conditioning unit, looking at a handheld tester.

Spotlight: Overhauling the Refrigeration Industry to Fight Global Warming

June 26, 2022

NIST researchers are tackling the question of alternative refrigerant fluids.

A New Harmony: NIST Researchers Develop a Universal Method for Calculating the Resonances of Oscillators

September 15, 2021

The natural, or resonance, frequency at which a simple harmonic oscillator vibrates reveals with exquisite sensitivity the essential properties of the physical

Projects and Programs

NCNR DAC and CCUS efforts

Ongoing

Overview Capture of carbon dioxide from the air (direct air capture; DAC) combined with energy efficiency and carbon capture, utilization and storage (CCUS)

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Ongoing

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Ab initio theoretical modeling for predicting structure and properties in advanced materials

Ongoing

We develop first-principles-based methods for prediction of atomic arrangements and properties in advanced materials and develop tools for the prediction and

Metrology for Multi-Physics AM Model Validation

Ongoing

Multi-physics models are necessary to simulate, study, and optimize metal additive manufacturing (AM) processes, such as powder bed fusion (PBF) and directed

Publications

Impact of Additive Manufacturing Materials on Thermal Performance of Silicon Reference Cells

January 20, 2024

Author(s)

Andrew Shore, Jae Hyun Kim, Behrang Hamadani

Additive manufacturing, or 3D printing, is quickly becoming a widespread manufacturing method offering timely and cost-effective build times for unique part

Expansivity of fused quartz glass measured within 6 x 10^-10 /K

December 20, 2023

Author(s)

Patrick Egan

Thermal expansion sometimes dominates uncertainty in a precision measurement. A cell-based refractometer has been designed at NIST which targets 10^-6 relative

Unintended consequences: Assessing thermo-mechanical changes in vinyl nitrile foam due to micro-computed X-ray tomographic imaging

October 5, 2023

Author(s)

Alexander Landauer, Zois Tsinas, Orion Kafka, Newell Moser, Jack Leigh Glover, Aaron M. Forster

Micro-computed X-ray tomography (μCT) is a volumetric imaging tool used to quantify the internal structure of materials. μCT imaging with mechanical testing (in

Electrostatic modulation of thermoelectric transport properties of 2H-MoTe2

September 6, 2023

Author(s)

Tianhui Zhu, Sree Sourav Das, Safoura Nayebsadeghi, Fajana Tonni, Sergiy Krylyuk, Costel Constantin, Keivan Esfarjani, Albert Davydov, Mona Zebarjadi

Two-dimensional layered transition metal dichalcogenides are potential thermoelectric candidates with application in on-chip integrated nanoscale cooling and

Tools and Instruments

Nanocalorimeter Measurement System

This Nanocalorimeter Measurement System is used for nanocalorimetry measurements at fast heating rates (100 °C/s to 100,000 °C/s) and measurements of samples

Nanocalorimeter Calibration System

The Nanocalorimeter Calibration System is used to calibrate each individual nanocalorimeter sensor chip used in the nanocalorimetry measurements project. The

Awards

Ian Bell and Monika Thol Named “Emerging Investigators” by Journal of Chemical and Engineering Data

Ian Bell of MML's Applied Chemicals and Materials Division was named as an Emerging Investigator in the field of chemical thermodynamics by