Droghetti, Andrea published the article 《Oxygen doping and polaron magnetic coupling in Alq3 films》. Keywords: oxygen doping aluminum film polaron magnetic coupling property.They researched the compound: Aluminum triquinolin-8-olate( cas:2085-33-8 ).Safety of Aluminum triquinolin-8-olate. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:2085-33-8) here.
The understanding of the Physics underlying the performances of spin-valve devices comprising organic semiconductors is still incomplete. According to some recent models, spin transport takes place in an impurity band inside the fundamental gap of the organic semiconductor. This seems to be confirmed by recent experiments performed with La0.7Sr0.3MnO3/Alq3/AlOx/Co devices. The reported results suggest a possible correlation between the magnetoresistance and the variable oxygen doping in the Alq3 spacer. In this paper we investigate the electronic and magnetic properties of O2 mols. and ions in Alq3 films by means of first-principles calculations to establish whether oxygen plays any important role for spin transport in La0.7Sr0.3MnO3/Alq3/AlOx/Co devices. The conclusion is that it does not. In fact, we show that O2 mols. do not form an impurity band and there is no magnetic interaction between them. In contrast, we suggest that spin-transport may be enabled by the direct exchange coupling between Alq-3 ions.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”