Young talent from LNLS awarded at international conference

Work on components for Sirius was elected best poster.

Gabriel Vinícius Claudiano, member of the Brazilian Synchrotron Light Laboratory (LNLS), was awarded the prize for best poster in the category “young engineer under 30” during the tenth edition of the MEDSI (Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation) conference, which was held in Paris, France, between June 25th and 29th.

Gabriel’s work is related to the development of components for the beamlines of the new Brazilian synchrotron light source, Sirius. These components are located at the interface between the storage ring and the beamlines, which is called front-end, and their function is to absorb part of the synchrotron light beam to protect sensitive equipment.

>Read more on the LNLS website

Picture: Gabriel Vinícius Claudiano.

Sirius ever closer to reality

Construction works are at 84% and the electron accelerator begins to be assembled in March.

The construction of Sirius, the new Brazilian synchrotron light source, is advancing. In March, the first of the three electron accelerators begins to be installed: the LINAC, or linear accelerator, which is responsible for the initial emission and acceleration of the electrons. The building, now 84% completed, will soon be in the right conditions to receive installation of the remaining electron accelerators: booster and storage ring.

Sirius is the largest and most complex scientific infrastructure ever built in Brazil. Sirius will be a state-of-the-art scientific tool, open to the research community from Brazil and abroad. The new synchrotron light source will open new perspectives for research in strategic areas such as health, agriculture, energy, biotechnology, nanotechnology, and many others.

Construction Challenges
The 68,000-square-foot Sirius building is among the most sophisticated constructions ever built in the Brazil, with unprecedented mechanical and thermal stability requirements.
In December 2017, the most critical phase of the construction was completed: the installation of the floor where the electron accelerators will be installed.

>Read more on the Brazilian Synchrotron Light Laboratory website

Image: Comparison between Sirius simulation when project (top) and photo of civil works in February 2018 (bottom).

Structure and Catalytic Activity of Copper Nanoparticles

Research investigates the addition of ceria on the activity of catalysts for the water-gas shift reaction

Catalysts are substances that promote and accelerate chemical reactions without being consumed during the process and are widely used in industrial processes to produce various chemicals.

Catalysts based on copper nanoparticles dispersed in an oxide support benefit various reactions, such as the synthesis of methanol, the alcohol dehydrogenation, or the water gas shift (WGS) reaction which is one of the main processes for hydrogen production on an industrial scale. In this reaction, carbon monoxide reacts with water to produce carbon dioxide CO2 and hydrogen gas H2.

>Read more on the LNLS website

Figure 1: Correlation between the bond length of CuO and the catalyst turnover frequency (TOF) for the catalysts analyzed under WGS conditions with different proportions of copper and ceria.