Description: Magnetic-Speed-Limit
Magnetism is one of the first phenomenon known by civilisation, yet one of the most poorly understood. While the origin of magnetism in materials is in atomic interactions of characteristic ultrashort time scales (millionth of a billionth of a second), it has been long believed that magnetism could only be manipulated at relatively slower nanosecond rates, exploiting external magnetic fields. However, in the past decade researchers have been able to observe ultrafast magnetic dynamics at these intrinsic ult
As the environment and a responsible energy use are growing concerns for society, an often forgotten source of energy consumption is the large data volumes used across the internet. Large data centres, where information is still stored in the form of tiny magnetic bits, are wasting most of their energy in form of heat, and compression and transmission of the data requires much computing power to deliver content on demand. Addressing how to store and manipulate information not only at higher rate (ideally in
The overall objective of the project is hence to better understand the puzzling phenomenon of ultrafast magnetism using new experimental tools (intense terahertz radiation and X-ray free electron lasers ), which could be used to design the future of data storage. In the specific, we outlined three main research objectives: