Strong correlations in highly electron-doped Zn(II)-DNA complexes

Aleš Omerzu, Bernarda Anželak, Iztok Turel, Janez Štrancar, Anton Potočnik, Denis Arčon, Iztok Arčon, Dragan Mihailović, Hiroshi Matsui

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


We present spectroscopic measurements on the first example of a chemically electron-doped metal-DNA complex. We show that a doping level as high as the stoichiometric limit of one electron per base pair can be achieved. The doped unpaired electrons occupy lowest unoccupied molecular orbital levels of the nucleobases as detected with electron spin resonance and x-ray absorption near edge structure measurements. Delocalization and strong correlations between the unpaired electrons are evident from a temperature-independent spin susceptibility and a microwave conductivity above 100K.

Original languageEnglish
Article number156804
JournalPhysical Review Letters
Issue number15
Publication statusPublished - 2010 Apr 15


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