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Single‐Crystalline AlGaN:Mn Nanotubes and Their Magnetism
Author(s) -
Seong H.K.,
Lee Y.,
Kim J.Y.,
Byeun Y.K.,
Han K.S.,
Park J.G.,
Choi H.J.
Publication year - 2006
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200600933
Subject(s) - materials science , magnetism , ferromagnetism , chemical vapor deposition , nanostructure , magnetic semiconductor , semiconductor , nanotechnology , condensed matter physics , optoelectronics , physics
Single‐crystalline AlGaN:Mn nanotubes (see figure) with a an outer diameter less than 200 nm and a length of a few micrometers are prepared by a chloride‐based chemical vapor deposition process. The nanotubes exhibit room‐temperature ferromagnetism without evidence of a ferromagnetic transition, showing that the structural and compositional modulation of 1D nanostructures could open up a way of exploring new classes of diluted magnetic semiconductors.