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Science 1 November 2002:
Vol. 298. no. 5595, p. 961
DOI: 10.1126/science.298.5595.961b
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Letters

Retraction

We are writing as coauthors on the following manuscripts published in Science, which were, in part, the subject of an independent investigation conducted at the behest of Bell Laboratories, Lucent Technologies. The independent committee reviewed concerns related to the validity of data associated with the device measurements described in the papers.

1) J. H. Schön, S. Berg, Ch. Kloc, B. Batlogg, Ambipolar pentacene field-effect transistors and inverters, Science 287, 1022 (2000).

2) J. H. Schön, Ch. Kloc, R. C. Haddon, B. Batlogg, A superconducting field-effect switch, Science 288, 656 (2000).

3) J. H. Schön, Ch. Kloc, B. Batlogg, Fractional quantum Hall effect in organic molecular semiconductors, Science 288, 2338 (2000).

4) J. H. Schön, Ch. Kloc, A. Dodabalapur, B. Batlogg, An organic solid state injection laser, Science 289, 599 (2000).

5) J. H. Schön, A. Dodabalapur, Ch. Kloc, B. Batlogg, A light-emitting field-effect transistor, Science 290, 963 (2000).

6) J. H. Schön, Ch. Kloc, H. Y. Hwang, B. Batlogg, Josephson junctions with tunable weak links, Science 292, 252 (2001).

7) J. H. Schön, Ch. Kloc, B. Batlogg, High-temperature superconductivity in lattice-expanded C60, Science 293, 2432 (2001).

8) J. H. Schön, H. Meng, Z. Bao, Field-effect modulation of the conductance of single molecules, Science 294, 2138 (2001).

As a result of the committee's findings, we feel obligated to the scientific community to issue a retraction of the above articles. We note that although these papers may contain some legitimate ideas and contributions, we think it best to make a complete retraction.

Zhenan Bao,
Bell Laboratories,
Lucent Technologies,
600 Mountain Avenue,
Murray Hill, NJ 07974,
USA.

Bertram Batlogg,
Solid State Physics Laboratory,
Eidgenössische Technische Hochschule,
CH-8093 Zurich,
Switzerland.

Steffen Berg,
Max-Planck-Institut für Polymerforschung,
D-55021 Mainz,
Germany.

Ananth Dodabalapur,
Microelectronics Research Center,
University of Texas,
Austin, TX 78758,
USA.

Robert C. Haddon,
Department of Chemistry,
University of California, Riverside,
900 University Avenue,
Riverside, CA 92521-0403,
USA.

Harold Hwang,
Bell Laboratories,
Lucent Technologies,
600 Mountain Avenue,
Murray Hill, NJ 07974,
USA.

Christian Kloc,
Bell Laboratories,
Lucent Technologies,
600 Mountain Avenue,
Murray Hill, NJ 07974,
USA.

Hong Meng,
Department of Chemistry and Biochemistry,
University of California, Los Angeles,
607 Charles E. Young Drive East,
Los Angeles, CA 90095-1569,
US

J. Hendrik Schön
Summit, NJ,
USA.

Editor's Note: For more information on the investigation, please see the summary and full report of the committee, which are available at www.lucent.com/news_events/researchreview.html.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)