Magnetic and hysteretic properties of Fe-filled nanotubes

C. Prados, P. Crespo, J. M. González, A. Hernando, J. F. Marco, R. Gancedo, N. Grobert, M. Terrones, R. M. Walton, H. W. Kroto

Research output: Contribution to journalConference articlepeer-review

23 Scopus citations

Abstract

The hysteretic properties of Fe-filled carbon nanotubes samples are presented and related to their magnetic phase distribution obtained by Mössbauer spectroscopy. The most relevant result corresponds to the observation of a high anisotropy γ-Fe phase getting magnetically ordered at 100 K. Below this temperature, irreversibility in the high feild zero field cooling (ZFC)-field cooling (FC) curves, as well as shifted hysteresis loops are observed. These results are explained in terms of the blocking of the high anisotropy phase and the development of exchange anisotropy.

Original languageEnglish (US)
Pages (from-to)2117-2119
Number of pages3
JournalIEEE Transactions on Magnetics
Volume37
Issue number4 I
DOIs
StatePublished - Jul 2001
Event8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States
Duration: Jan 7 2001Jan 11 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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