Dresden 2017 – scientific programme

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O: Fachverband Oberflächenphysik

O 14: Electronic Structure of Surfaces: Magnetism and Spin Phenomena II

O 14.6: Talk

Monday, March 20, 2017, 16:15–16:30, WIL C107

Spin crossover molecules on ferromagnetic FeN layer — •Jinjie Chen and Wulf Wulfhekel — Physikalisches Institut, Karlsruhe Institute of Technology (KIT)

Organic spintronics has become an attractive research field combining spin-based functional devices with the benefits of organic materials. A promising candidate to build organic electronic switches at nanoscale are spin crossover molecules, which display a transition between a low- and a high-spin state upon various external stimuli. Unlike a frozen spin state when deposited on metallic surfaces (Cu(111), Cu(100), Au(111), Ag(111) and Co/Cu(111)), Fe-(phenanthroline)2-(NCS)2 complexes (short Fe-phen) deposited on single ferromagnetic layer of FeN on Cu(100) can be switched between the two spin states at low temperatures. By switching the spin states, also the exchange interaction between individual Fe-phen molecule and FeN layer can be tuned. This work indicates a potential route to manipulating the magnetic properties of a hybrid system.