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Phys. Rev. Lett. 89, 075502 (2002) [4 pages]

Structure of Intercalated Cs in Zeolite ITQ-4: An Array of Metal Ions and Correlated Electrons Confined in a Pseudo-1D Nanoporous Host

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V. Petkov1,*, S. J. L. Billinge1, T. Vogt2, A. S. Ichimura3, and J. L. Dye3
1Department of Physics and Astronomy and Center for Fundamental Materials Research, Michigan State University, East Lansing, Michigan 48824
2Physics Department, Brookhaven National Laboratory, Upton, New York 11973
3Department of Chemistry and Center for Fundamental Materials Research, Michigan State University, East Lansing, Michigan 48824

Received 12 March 2002; published 26 July 2002

See accompanying Physics Focus

The presence of Cs+ ions in the pseudo-1D nanopores of zeolite ITQ-4, Si32O64, is confirmed by x-ray diffraction and atomic pair distribution function analysis. Inside the nanopores the Cs+ ions are found to assemble in zigzag chains and thus form an extended, positively charged sublattice providing charge balance for a low-density electron gas also confined to the nanopores.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.075502
DOI:
10.1103/PhysRevLett.89.075502
PACS:
61.43.Gt, 61.72.Qq

*Present address: Department of Physics, Central Michigan University, Mt. Pleasant, MI 48859.

 
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