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@ARTICLE{Almeida:189411,
      author       = {Almeida, Trevor P. and Kasama, Takeshi and Muxworthy,
                      Adrian R. and Williams, Wyn and Nagy, Lesleis and
                      Dunin-Borkowski, Rafal},
      title        = {{O}bserving thermomagnetic stability of nonideal magnetite
                      particles: {G}ood paleomagnetic recorders?},
      journal      = {Geophysical research letters},
      volume       = {41},
      number       = {20},
      issn         = {0094-8276},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2015-02578},
      pages        = {7041 - 7047},
      year         = {2014},
      abstract     = {The thermomagnetic behavior of remanence-induced magnetite
                      (Fe3O4) particles in the pseudo-single-domain (PSD) size
                      range (~0.1–10 µm), which dominate the magnetic
                      signature of many rock lithologies, is investigated using
                      off-axis electron holography. Construction of magnetic
                      induction maps allowed for the visualization of the vortex
                      domain state in an individual Fe3O4 grain (~200 nm in
                      diameter) as a function of temperature. Acquisition of a
                      series of electron holograms at 100°C intervals during in
                      situ heating up to 700°C demonstrates the vortex state of
                      the Fe3O4 grain, in this instance, remains thermally stable
                      close to its unblocking temperature and exhibits a similar
                      in-plane remanent state upon cooling; i.e., the particle is
                      effectively behaving like a uniaxial single-domain particle
                      to temperatures near TC. Such particles are thought to be
                      robust magnetic recorders. It is suggested that evidence for
                      PSD behavior should therefore not preclude paleomagnetic
                      investigation},
      cin          = {PGI-5},
      ddc          = {550},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {42G - Peter Grünberg-Centre (PG-C) (POF2-42G41)},
      pid          = {G:(DE-HGF)POF2-42G41},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345343100008},
      doi          = {10.1002/2014GL061432},
      url          = {https://juser.fz-juelich.de/record/189411},
}