Magnetic anisotropy of vertically aligned α- Fe2O 3 nanowire array

Chang Hyun Kim, Hye Jin Chun, Dae Sung Kim, Shin Young Kim, Jeunghee Park, Je Yong Moon, Gangho Lee, Jungbum Yoon, Younghun Jo, Myung Hwa Jung, Seung Il Jung, Cheol Jin Lee

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)


Vertically aligned Fe2 O3 nanowire arrays were synthesized by the thermal oxidation of Fe foil. They consist of single-crystalline rhombohedral α- Fe2 O3 nanocrystals grown along the [11 2- 0] direction. Most of the nanowires have a sharp tip (diameter=50 nm) and beltlike base. The magnetization measurement reveals a Morin temperature of 125 K and unique magnetic anisotropy due to the easy axis of the magnetocrystalline anisotropy perpendicular to the nanowire axis.

Original languageEnglish
Article number223103
JournalApplied Physics Letters
Issue number22
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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