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Can lasers really refrigerate CdS nanobelts?

Nature volume 570, pages E60–E61 (2019)Cite this article

Matters Arising to this article was published on 26 June 2019

The Original Article was published on 23 January 2013

ARISING FROM Zhang, J. et al. Nature https://www.nature.com/articles/nature11721 (2013)

Five years ago, Xiong and co-workers reported the net laser cooling of a CdS nanobelt1, which seemed to be the remarkable conclusion to a 16-year search for ways to successfully cool a semiconductor using light2,3. However, as we describe below, there are questions and concerns about this study that cast doubts on its validity.

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Fig. 1: Experimental and simulation results for CdS nanobelt laser cooling.

Data availability

All data are available from the corresponding authors upon reasonable request.

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Acknowledgements

Sandia National Laboratories is a multi-mission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the US Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525. The Pacific Northwest National Laboratory is a multiprogramme national laboratory operated for the US Department of Energy by Battelle under contract number DE-AC05-76RL01830. Y.V.M., S.Z., A.P., P.J.P. and M.K. acknowledge financial support from the MURI:MARBLe project under the auspices of the Air Force Office of Scientific Research (award number FA9550-16-1-0362).

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Author notes

  1. These authors contributed equally: Yurii V. Morozov, Shubin Zhang, Anupum Pant

Authors and Affiliations

  1. Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN, USA

    Yurii V. Morozov & Masaru Kuno

  2. Department of Physics, University of Notre Dame, Notre Dame, IN, USA

    Shubin Zhang, Boldizsár Jankó & Masaru Kuno

  3. Department of Materials Science, University of Washington, Seattle, WA, USA

    Anupum Pant & Peter J. Pauzauskie

  4. Sandia National Laboratories, Albuquerque, NM, USA

    Seth D. Melgaard & Daniel A. Bender

  5. Pacific Northwest National Laboratory, Richland, WA, USA

    Peter J. Pauzauskie

Authors
  1. Yurii V. Morozov
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  7. Peter J. Pauzauskie
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  8. Masaru Kuno
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Contributions

Y.V.M., S.Z., B.J., S.D.M., D.A.B., P.J.P. and M.K. analysed the original study. M.K., Y.V.M., J.B., A.P. and P.J.P. wrote the manuscript. All authors discussed the results and contributed to the final manuscript.

Corresponding authors

Correspondence to Daniel A. Bender, Peter J. Pauzauskie or Masaru Kuno.

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The authors declare no competing interests.

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Morozov, Y.V., Zhang, S., Pant, A. et al. Can lasers really refrigerate CdS nanobelts?. Nature 570, E60–E61 (2019). https://doi.org/10.1038/s41586-019-1269-1

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