Colossal positive magnetoresistance in a doped nearly magnetic semiconductor

Rongwei Hu^1,2, K. J. Thomas^1,*, Y. Lee³, T. Vogt^1,†, E. S. Choi⁴, V. F. Mitrović², R. P. Hermann^5,‡, F. Grandjean⁵, P. C. Canfield⁶, J. W. Kim⁶, A. I. Goldman⁶, and C. Petrovic^1
1Condensed Matter Physics, Brookhaven National Laboratory, Upton, New York 11973, USA
²Physics Department, Brown University, Providence, Rhode Island 02912, USA
³Department of Earth System Sciences, Yonsei University, Seoul 120749, Korea
⁴NHMFL/Physics, Florida State University, Tallahassee, Florida 32310, USA
⁵Department of Physics, Université de Liège, B-4000 Liège, Belgium
⁶Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

^*Present address: Nature Publishing Group, London, UK.

^†Present address: Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA.

^‡Present address: Institut für Festkörperforschung, Forschungzentrum Jülich GmbH, D-52425 Jülich, Germany.