THeMAC News

Chapter on Phonon Properties published in book Gallium Oxide

In this chapter, written by members of our team we present and discuss the complete set of infrared-active phonon modes in monoclinic-symmetry crystal modification gallium oxide. This chapter attempts to summarise the current state of knowledge about the optical phonon mode propoerties and their coupling with free charge carriers in gallium oxide with monoclinic crystal structure.

You can find the book at springer.com.

The 2nd Swedish Terahertz workshop

The 2nd Swedish Terahertz workshop was held on the 28th of March 2019 at Linköping University. It was organized by the members of the Terahertz Materials Analysis Center (THeMAC).

During the event participants could listen to the presentations given by scientists from Sweden, USA and Italy working in the area of terahertz technologies and materials. In addition, participants had a chance to join the guided tour to the lab facilities of the THeMAC.

THz frequency-domain ellipsometer and OHE instrument

2018 May: The OHE instrument was integrated into the THz frequency-domain ellipsometer. The instrument has been re-configured to accommodate the superconducting magnet with VTI providing magnetic fields up to 8 Tesla and samples temperatures in range of 2.5 – 400 Kelvin. In addition, the accessible spectra range was extended into the far-infrared range by installing the Bruker Vertex 70 FIR spectrometer-based source.

Data storage and analysis lab

2018 May: The analysis and data storage server has been set up. The server has 1 CPU with 12 physical cores (24 virtual) and 64 GB RAM, and thus can handle multiple heavy analysis tasks. Another CPU and more RAM can be added if needs arises.

The server has been set up to allow connection of external users. So far we succesfully connected from Windows and Linux OSs, and we testing with Mac OS.

The  analysis software has also been istalled and is ready to use. Currently the databses have been prepared.

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