{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T06:07:16Z","timestamp":1785737236560,"version":"3.56.0"},"reference-count":53,"publisher":"Wiley","issue":"19","license":[{"start":{"date-parts":[[2008,4,24]],"date-time":"2008-04-24T00:00:00Z","timestamp":1208995200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2008,6,27]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Flute\u2010like porous \u03b1\u2010Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> nanorods and branched nanostructures such as pentapods and hexapods were prepared through dehydration and recrystallisation of hydrothermally synthesised \u03b2\u2010FeOOH precursor. Transmission electron microscopy (TEM), high\u2010resolution TEM and selected area electron diffraction analyses reveal that the nanorods, which grow along the [110] direction, have nearly hollow cavities and porous walls with a pore size of 20\u201350\u2005nm. The hexapods have six symmetric arms with a diameter of 60\u201380\u2005nm and length of 400\u2013900\u2005nm. The growth direction of the arms in the hexapod\u2010like nanostructure is also along the [110] direction, and there is a dihedral angle of 69.5<jats:sup>o<\/jats:sup> between adjacent arms. These unique iron oxide nanostructures offer the first opportunity to investigate their magnetic and gas sensing properties. The nanostructures exhibited unusual magnetic behaviour, with two different Morin temperatures under field\u2010cooled and zero\u2010field\u2010cooled conditions, owing to their shape anisotropy and magnetocrystalline anisotropy. Furthermore, the \u03b1\u2010Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> nanostructures show much better sensing performance towards ethanol than that of the previously reported polycrystalline nanotubes. In addition, the \u03b1\u2010Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> nanostructure based sensor can selectively detect formaldehyde and acetic acid among other toxic, corrosive and irritant vapours at a low working temperature with rapid response, high sensitivity and good stability.<\/jats:p>","DOI":"10.1002\/chem.200701705","type":"journal-article","created":{"date-parts":[[2008,4,24]],"date-time":"2008-04-24T14:21:29Z","timestamp":1209046889000},"page":"5996-6002","source":"Crossref","is-referenced-by-count":147,"title":["Flutelike Porous Hematite Nanorods and Branched Nanostructures: Synthesis, Characterisation and Application for 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