Browsing by Subject "Antiferromagnetic materials"

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    • Article  

      Electron spin filtering in ferromagnet/semiconductor heterostructures 

      Bland, J. A. C.; Steinmuller, S. J.; Hirohata, A.; Cho, W. S.; Xu, Y. B.; Guertler, C. M.; Wastlbauer, G.; Ionescu, A.; Trypiniotis, Theodossis; Holmes, S. N. (2003)
      Circularly polarized light was used to generate spin-polarized electrons at room temperature in ferromagnet (FM)/GaAs Schottky diode structures. A change in the helicity-dependent photocurrent was obtained when the ...
    • Article  

      Spin-gap and antiferromagnetic correlations in low-dimensional PbNi2-xAxV2O8 compounds (A = Mg, Co) 

      Mastoraki, I.; Lappas, A.; Schneider, R.; Giapintzakis, John (2002)
      The effect of the impurity doping in the quantum-spin chains of the PbNi2V2O8 Haldane-gap compound is studied. We report elastic neutron scattering and bulk magnetic susceptibility measurements on the quasi-one-dimensional ...