Happy Swiss National Holiday 2025 with Smallest Swiss Cross

by NANOSENSORS
31 July 202531 July 2025
News & Events

We are celebrating tomorrow’s Swiss National Holiday courtesy of Basel University with the Smallest Swiss Cross – Made of 20 Single Atoms ( a NANOSENSORS PointProbePlus PPP-NCL AFM probe was used for this image).

Background graphics: Swiss flags and confetti celebrating the Swiss National HolidayGraphics: istock.com/Tamara Luiza AFM image in front showing 20 bromine atoms positioned on a sodium chloride surface using the tip of an atomic force microscope at room temperature, creating a Swiss cross with the size of 5.6nm. The structure is stable at room temperature and was achieved by exchanging chlorine with bromine atoms. University of Basel, Department of Physics A NANOSENSORS PointProbePlus PPP-NCL AFM probe was used for this AFM image

Happy Birthday Switzerland with the smallest Swiss Cross:
20 bromine atoms positioned on a sodium chloride surface using the tip of an atomic force microscope at room temperature, creating a Swiss cross with the size of 5.6nm. The structure is stable at room temperature and was achieved by exchanging chlorine with bromine atoms. (Fig: University of Basel, Department of Physics)
graphics:: istock.com/Tamara Luiza