Nickel clusters embedded in carbon nanotubes as high performance magnets
Hidetsugu ShiozawaFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaAntonio Briones‐LeonFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaOleg DomanovFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaGeorg ZechnerFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaYuta SatoNanomaterials Research Institute, AIST, 1-1-1 Higashi, Tsukuba 305-8565, JapanKazu SuenagaNanomaterials Research Institute, AIST, 1-1-1 Higashi, Tsukuba 305-8565, JapanTakeshi SaitoNanomaterials Research Institute, AIST, 1-1-1 Higashi, Tsukuba 305-8565, JapanM. EistererAtominstitut, TU Wien, Stadionallee 2, 1020 Vienna, AustriaE. WeschkeHelmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Str. 15, 12489 Berlin, GermanyW. LangFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaHerwig PeterlikFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, AustriaThomas PichlerFaculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria
2015en
ABI
Аннотация
Ensembles of fcc nickel nanowires have been synthesized with defined mean sizes in the interior of single-wall carbon nanotubes. The method allows the intrinsic nature of single-domain magnets to emerge with large coercivity as their size becomes as small as the exchange length of nickel. By means of X-ray magnetic circular dichroism we probe electronic interactions at nickel-carbon interfaces where nickel exhibit no hysteresis and size-dependent spin magnetic moment. A manifestation of the interacting two subsystems on a bulk scale is traced in the nanotube's magnetoresistance as explained within the framework of weak localization.
Перевод пока недоступен
Идентификаторы
Цитирования и источники
Цитирований: 2Использованных источников: 0