KAVLI PRIZE in NANOSCIENCE 2020 the Norwegian Academy of Science and Letters Has Decided to Award the Kavli Prize in Nanoscience for 2020 To

KAVLI PRIZE IN NANOSCIENCE 2020 The Norwegian Academy of Science and Letters has decided to award the Kavli Prize in Nanoscience for 2020 to

HARALD ROSE Universität Ulm, Germany

MAXIMILIAN HAIDER CEOS GmbH, Germany

KNUT URBAN Forschungszentrum Jülich, Germany

ONDREJ L. KRIVANEK Nion Co., US

“for sub-ångström resolution imaging and chemical analysis using electron beams”

Seeing leads to scientific advancement, invention of the electron microscope in The 2020 Kavli Prize Laureates in Nano- understanding and engineering. The 2020 1931. However, making ideal lenses for science are Kavli Prize in Nanoscience honours four electrons turns out to be a big theoretical pioneers who enabled humanity to see the and experimental problem because lens Harald Rose, for proposing a novel lens structure and chemical composition of aberrations limit the resolution. For more design, the Rose corrector, enabling aber- materials in three dimensions on unprec- than 60 years people struggled! Through ration correction in transmission electron edentedly short length scales. persistence, ingenuity and exploitation of microscopy that can be applied to both the increase in computational power in the conventional and scanning microscopes. A major goal of nanoscience is to create 1990s the Laureates constructed aberra- Maximilian Haider, for the realization of materials and devices assembled with tion corrected lenses and made sub-ång- the first sextupole corrector, based on atomic scale precision to obtain novel func- ström imaging and chemical analysis in Rose’s design, and for his role in the imple- tionalities. The size of an atom is around three dimensions a standard characteriza- mentation of the first aberration corrected one ångström (0.1 nanometer). Therefore, tion method. conventional transmission electron imaging and analysis of materials and microscope. devices at the sub-ångström scale is crucial. Three of the Laureates co-founded two Knut Urban, for his role in the implementa- The resolution of a classical microscope is companies and commercialized their tion of the first aberration corrected con- limited by the wavelength of the probe lenses contributing further to the major ventional transmission electron used for imaging. Because visible light has impact of their scientific work. Since then microscope. a wavelength around 5000 times larger their microscopes have played an enor- Ondrej L Krivanek, for the realization of the than an atom, optical lenses cannot image mous role both in fundamental science and first aberration corrected scanning trans- atoms. In the early part of the 20th century technology, where they are used, among mission electron microscope with sub- beams of electrons with atomic scale wave- others, by semiconductor, chemical and ångström resolution, well suited for length became available, leading to the automotive industries. spatially resolved chemical analysis. This The Norwegian Academy of Science and Letters Drammensveien 78, 0271 Oslo, Norway Phone +47 22 84 15 00 www.dnva.no