ChemPhysChem

Cover image for Vol. 17 Issue 18

Editor: Greta Heydenrych; Editorial Board Chairs: Christian Amatore, Michael Grätzel, Michel Orrit

Impact Factor: 3.138

ISI Journal Citation Reports © Ranking: 2015: 8/35 (Physics Atomic Molecular & Chemical); 50/144 (Chemistry Physical)

Online ISSN: 1439-7641

Associated Title(s): Advanced Materials, ChemBioChem, ChemCatChem, ChemElectroChem, ChemPhotoChem, ChemSusChem, Small

12_10/2011Cover Picture: Driving Rotational Transitions in Molecules on a Chip (ChemPhysChem 10/2011)

Polar molecules in selected quantum states can be guided, decelerated, and trapped using electric fields created by microstructured electrodes on a chip, as shown on p. 1799 by G. Santambrogio et al. Transitions between two of these quantum states can be induced while the molecules are on the chip. CO (a3Π1, v=0) molecules, prepared at the J=1 rotational level, are trapped and guided to the center of the chip. There, they undergo the J=2[LEFTWARDS ARROW]J=1 rotational transition driven by narrow-band sub-THz (mm-wave) radiation and, after being guided off the chip, are state-selectively detected.

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