Micromotors with built-in compasses

Guanjia Zhao, Samuel Sanchez, Oliver G. Schmidt, Martin Pumera

Research output: Contribution to journalArticle

45 Citations (Scopus)


We demonstrate here that iron containing rolled-up microtubular engines can be magnetized and act as compass needles - they sense the direction of an external magnetic field from afar and align the directionalities of their movements according to the external field, in a similar fashion to magnetotactic bacteria.

Original languageEnglish
Pages (from-to)10090-10092
Number of pages3
JournalChemical Communications
Issue number81
Publication statusPublished - 2012 Sep 17

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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  • Cite this

    Zhao, G., Sanchez, S., Schmidt, O. G., & Pumera, M. (2012). Micromotors with built-in compasses. Chemical Communications, 48(81), 10090-10092. https://doi.org/10.1039/c2cc35671f