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Result of the Month (ROM) August 2022

Dual topological states in the layered titanium-based oxypnictide superconductor BaTi2Sb2O

ROM

Materials Innovation Platform (MIP)

Accelerating the Pace of Discovery

MIP

News Flyer Spring 2022

Welcome to the Scienta Omicron Newsflyer for Spring 2022

Newsflyer

Service Upgrade

SXM Trade In for SCALA SPM Controllers

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Accelerating Materials Innovation 

Electron Spectroscopy

Scanning Probe Microscopy

SPM Component  | © Scienta Omicron

Thin Film Deposition

Thin Film Deposition Component  | © Scienta Omicron

Result of the Month (ROM), August 2022

Dual topological states in the layered titanium-based oxypnictide superconductor BaTi2Sb2O

In this work, Z Huang, Y F Guo, G Li & Dawei Shen et al. predict and then unveil the coexistence of topological Dirac semimetal and topological insulator states in the vicinity of Fermi energy (EF) in the titanium-based oxypnictide superconductor BaTi2Sb2O using angle-resolved photoemission spectroscopy (ARPES). Further spin-resolved measurements confirm its spin-helical surface states around EF, which are topologically protected and give an opportunity for realization of Majorana zero modes and Majorana flat bands in one material. The high-resolution and spin-resolved ARPES measurements were performed using a Scienta Omicron DA30-L electron analyser at Shanghai Synchrotron Radiation Facility (SSRF).

Research News

Scientists Emulate Nature in Quantum Leap Towards Computers of the Future

A team of quantum computer physicists at UNSW Sydney (Silicon Quantum Computing Lab) led by Professor Michelle Simmons has achieved a major milestone in the race to build the world’s first quantum computer. They have built a quantum processor in silicon to simulate an organic molecule with astounding precision. They described in their recently published Nature paper, how they were able to mimic the structure and energy states of the organic compound polyacetylene – a repeating chain of carbon and hydrogen atoms distinguished by alternating single and double bonds of carbon. They utilize the atomic-precision placement accuracy of the scanning tunnelling microscope (STM) to engineer quantum dots with large on-site energies (U ≈ 25 meV) and uniform size to realize a homogeneous linear array for reliable simulation accuracy.

Scienta Omicron Newsflyer Spring 2022

Welcome to the Scienta Omicron Newsflyer for Spring 2022 with an opening message from our new CEO Mr. Henrik Bergersen on the importance of filling customer needs and providing values to our customers. The BAR XPS for instance addresses the biggest challenge in APXPS, measuring at industrial relevant pressures. Read more about the BAR XPS break-through results at world record pressures; EVO Compact – the MBE System for 2D material research; new DFS30 analyser with unique electronic alignment capability for µARPES; successful analyser PEAK software upgrade and integration with the control system at SPring-8 synchrotron in Japan; and high resolution qPlus imaging with CO terminated Tip using the INFINITY SPM Lab at the Aix-Marseille University.

Sample Manipulators

Open and Closed Cycle Sample Manipulators

When aiming at high experimental energy resolution for ARPES measurement, it is crucial to achieve ultra-low sample temperatures to quench thermal broadening. This is possible with state-of-the-art cryo manipulators reaching sample temperatures from < 3.5 K and featuring up to 6 fully motorized axes for a large range of movements. The manipulators are available as open and closed cycle. Open cycle manipulators reach lower temperature specifications and are rapidly cooled down from room temperature to 10 K in 15 min. The low He consumption below 1 l/h at ultimate temperature and the possibility to operate with liquid nitrogen at higher temperatures ensure a low operating cost. Closed cycle manipulators have no He consumption providing unlimited holding time.

Research News

Scientists Solve the Mystery About the Active Phase in Catalytic Carbon Dioxide Reduction

An international research team led by researchers of Stockholm University has for the first time been able to study the surface of a copper-zinc catalyst when carbon dioxide is reduced to methanol. The results – obtained at DESY´s brilliant light source PETRA III – are published in the scientific journal Science. A better knowledge of the catalytic process of methanol synthesis and the possibility of finding even more efficient materials opens the door for a green transition in the chemical industry.

New Product

PEAK: Electron Spectroscopy Control and Acquisition Software

PEAK is designed to control acquisition of photoelectron spectra with Scienta Omicron analysers. With its modern software architecture, PEAK offers improved performance for data acquisition, workflow, and live visualisation of data. The modular design and the modern network-based application programming interface (API) facilitate integration of additional equipment as well as full integration of the analyser in external control systems.

Service Upgrade

SXM Trade In for SCALA SPM Controllers

The new SXM Control System comprises state-of-the-art electronics and software solutions for Scanning Probe Microscopy. The SXM hardware features low noise, large detection bandwidth, configurable A/D and D/A converters, integrated digital Lock In amplifiers. The SXM software offers standard SPM modes as well as advanced spectroscopy and manipulation experiments. A dedicated interface readily supports a variety of our established Scienta Omicron SPM products.

About Us 

Scienta Omicron is a leading innovator in Surface Science and Nanotechnology. At our technology centres in Uppsala, Sweden and Taunusstein, Germany we develop and produce high-tech instruments. Our instruments support top researchers globally and are serviced by our four regional hubs in USA, China, Japan and Germany.

We provide state of the art instruments in Electron Spectroscopy, Scanning Probe Microscopy and Thin Film Deposition. Focusing on the race for new unique materials and solutions, in areas like – smarter batteries, next generation electronics, quantum technologies, solar energy, intelligent sensors and advanced materials, Scienta Omicron enables development of tomorrow´s materials.

THE SCIENTA GROUP: One Group, Two Leading Brands

Since 1983 the combined companies, including Scienta Omicron and Scienta Envinet (former Scienta Sensor Systems and Envinet GmbH respectively) that make up the Scienta Scientific Group have been leading the development of ultra high vacuum research and analysis equipment in the fields of Surface Science, Material Physics, UHV technology and Radiation Detection, resulting in scientific breakthroughs, Nobel Prizes and outstanding industrial equipment.