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@ARTICLE{Wang:15732,
      author       = {Wang, L.M. and Sou, U.C. and Yang, H.C.Ü and Chang, L.J.
                      and Cheng, C.M. and Tsuei, K.D. and Su, Y. and Wolf, Th. and
                      Adelmann, P.},
      title        = {{M}ixed-state {H}all effect and flux pinning in {B}a
                      ({F}e1-x{C}ox) 2{A}s2 single crystals (x = 0.08 and 0.10)},
      journal      = {Physical review / B},
      volume       = {83},
      number       = {13},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-15732},
      pages        = {134506},
      year         = {2011},
      note         = {The authors thank the National Science Council of Taiwan
                      for financial support under Grants No. NSC
                      98-2112-M-212-001-MY3 (L. M. W.), No. NSC 96-2739-M-213-001,
                      and No. NSC 96-2112-M-007-012 (L.J.C.). T. W. and P. A.
                      acknowledge financial support through the Deutsche
                      Forschungsgemeinschaft (SPP 1458).},
      abstract     = {Longitudinal and Hall resistivities, scaling behavior, and
                      magnetizations are examined to study the effect of flux
                      pinning in Ba(Fe1-xCox)(2)As-2 (BFCA) single crystals with x
                      = 0.08 and 0.01. Larger values of activation energy,
                      critical current density, and pinning force are obtained in
                      BFCA with x = 0.10, indicating relatively strong pinning.
                      The sign reversal of Hall resistivities is clearly observed
                      in BFCA with x = 0.10. The correlation between longitudinal
                      and Hall resistivities shows the scaling behavior of rho(xy)
                      proportional to (rho(xx))(beta) with exponents beta =
                      3.0-3.4 and 2.0+/-0.2 for BFCA crystals with x = 0.08 and
                      0.10, respectively. Furthermore, the normal-state Hall angle
                      is also observed to follow cot theta(H) = Lambda T-2 + C in
                      BFCA crystals, and is explained by the Anderson theory. The
                      relatively large C/Lambda value for BFCA with x = 0.10 also
                      implies a larger contribution of impurity scattering due to
                      more Co atoms, which may cause stronger pinning of flux
                      lines. The results are analyzed and coincide with theory,
                      including the pinning-induced backflow effect and plastic
                      flow mechanism in vortex dynamics.},
      keywords     = {J (WoSType)},
      cin          = {PGI-4 / JCNS (München) ; Jülich Centre for Neutron
                      Science JCNS (München) ; JCNS-FRM-II / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-4-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000289228800008},
      doi          = {10.1103/PhysRevB.83.134506},
      url          = {https://juser.fz-juelich.de/record/15732},
}