PHYSIKKOLLOQUIUM Fachbereich für Physik Johannes-Kepler-Universität Linz / Auhof Im Rahmen des Physikkolloquiums spricht Herr Prof. Dr. Michael Farle Fakultät für Physik, Universität Duisburg-Essen über “Nanomagnets: „Miracle“ building blocks for innovations in medicine and energy saving“ Abstract: Magnetism in structures with dimensions on the few - nanometer scale have been the center of many investigations ranging from topics in spin-torque and spin-injection dynamics and interactions in biomedical applications to the creation of new types of hard, soft or multi-functionalized materials. Such nanostructured “building blocks” offer new exciting possibilities to create new artificial materials. In biological and medical technologies magnetic hybrid or functionalized particles find applications in site-targeted therapy, diagnosis, cell separation and water purification. For innovations in electromobility and wind harvesting new lightweight motors and generators are needed which require the design of new types of permanent magnets – again based on magnetic nanoscale building blocks. The talk will give an introduction to the state of the art and address the challenges for tailoring the properties of such building blocks. New functionalities can be obtained based on the intelligent combination of magnetic and non-magnetic materials. Work performed within EU- networks SyntOrbMag, REFreePerMag, IMAGINE and DFG, SFB 445. H. Zabel and M. Farle (eds.) Magnetic Nanostructures, Springer Tracts in Modern Physics 246 (2013) Muhammad Arshad Kamran et al., Tunable emission properties by ferromagnetic coupling Mn(II) aggregates in Mn-doped CdS microbelts/nanowires, Nanotechnology 25 (2014) 385201 Zi-An Li et al., Chemically-ordered decahedral FePt nanocrystals, Phys. Rev. B 89 (2014) 161406(R) Zi-An Li, et al., Electrostatic doping as a source for robust ferromagnetism at the interface between antiferromagnetic cobalt oxides , Scientific Reports 5 (2015) 7997 Chr. Kurts, et al. Splenic red pulp macrophages are intrinsically superparamagnetic and contaminate magnetic cell isolates" Scientific Reports (2015) accepted Datum: Do, 18.06.2015 Zeit: 17:15 Uhr Ort: HS 8