Thermal Expansion of LaB6 from 298-998 K

What is it about?

Temperature calibration standard in High Temperature X-ray Diffraction and High Temperature Neutron Diffraction

Featured Image

Why is it important?

We propose LaB6 as a temperature calibration standard for high-temperature (HT) X-ray diffractometry owing to its high temperature stability. Such HT applications require a reliable HT lattice parameter or, equivalently, peak position data, which have not been readily accessible to the diffraction community to date. As such, the thermal expansion behavior of NIST SRM 660a LaB6 was assessed in the temperature range 298–998 K using HT Bragg–Brentano parafocusing θ:θ X-ray diffractometry in conjunction with Rietveld analysis. It empowers the X-ray diffraction community with a readily accessible and highly practical temperature calibration standard.

Perspectives