Thermal properties

News and Updates

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

As Good as it Gets: NIST Develops Its Fourth Generation Wire Micrometer that Rivals Best in the World

March 11, 2021

Researchers at the National Institute of Standards and Technology (NIST) have developed a dramatically improved laser-based instrument that measures the

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

Material Qualification

Ongoing

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

AM Machine and Process Control Methods for Additive Manufacturing

Ongoing

Part quality in additive manufacturing (AM) is highly dependent on the process control, but there is a lack of adequate AM control methods and standards. In

Publications

Phase-transition-induced Thermal Hysteresis in Type-II Weyl Semimetals MoTe2 and Mo(1-x)W(x)Te2

November 19, 2022

Author(s)

Md Sabbir Akhanda, Sergiy Krylyuk, Diane Dickie, Albert Davydov, Fei Han, Mingda Li, Mona Zebarjadi

The resistivity versus temperature measurement is commonly used for identifying temperature-induced phase change and the resulting hysteresis loop. While the

Status and Gaps in Thermodynamic Metrology of Materials in Extreme Environments

October 6, 2022

Author(s)

Elizabeth Rasmussen

Relative effects of polymer composition and sample preparation on glass dynamics

August 17, 2022

Author(s)

Christopher Soles, Amanda L. Forster, Katherine Evans, Madhusudan (Madhu) Tyagi, Robert M. Elder, Timothy Sirk, Joseph Dennis, Kanae Ito, Osama Yamamuro, Hiroshi Akiba

Modern design of common adhesives, composites and polymeric parts makes use of polymer glasses that are stiff enough to maintain their shape under a high stress

Synthesis, structure, electronic and thermal properties of sphalerite CuZn2InS4

October 12, 2021

Author(s)

Oluwagbemiga P. Ojo, Wilarachchige D. C. B. Gunatilleke, Hagen Poddig, Hsin Wang, Joshua B. Martin, Dylan J. Kirsch, George S. Nolas

Quaternary chalcogenides continue to be of interest due to the variety of physical properties they possess, as well as their potential for different

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