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Spin density wave behaviour in the (Cr98.4Al1.6)100-yMoy and (Cr100-xAlx)95Mo5 alloy series

Conference Paper


Abstract


  • Neutron diffraction studies of the spin-density-wave (SDW) behaviour in antiferromagnetic (Cr98.4Al1.6)100-yMoy with y = 0, 3.7 and 4.2, as well as (Cr100-xAlx)95Mo5 with x = 0 and 4.6 alloy systems are reported. The results confirm an incommensurate (I) SDW to paramagnetic (P) phase transition at the quantum critical point of the (Cr98.4Al1.6)100-yMoy series. In addition two further quantum critical magnetic phase transitions are proposed for the (Cr100-xAlx)95Mo5 series, one from ISDW to P and the other from P to commensurate (C) SDW.

Publication Date


  • 2017

Citation


  • Muchono, B., Prinsloo, A. R. E., Sheppard, C. J., Venter, A. M., & Liss, K. D. (2017). Spin density wave behaviour in the (Cr98.4Al1.6)100-yMoy and (Cr100-xAlx)95Mo5 alloy series. In Journal of Physics: Conference Series Vol. 903. doi:10.1088/1742-6596/903/1/012028

Scopus Eid


  • 2-s2.0-85034273976

Volume


  • 903

Issue


  • 1

Abstract


  • Neutron diffraction studies of the spin-density-wave (SDW) behaviour in antiferromagnetic (Cr98.4Al1.6)100-yMoy with y = 0, 3.7 and 4.2, as well as (Cr100-xAlx)95Mo5 with x = 0 and 4.6 alloy systems are reported. The results confirm an incommensurate (I) SDW to paramagnetic (P) phase transition at the quantum critical point of the (Cr98.4Al1.6)100-yMoy series. In addition two further quantum critical magnetic phase transitions are proposed for the (Cr100-xAlx)95Mo5 series, one from ISDW to P and the other from P to commensurate (C) SDW.

Publication Date


  • 2017

Citation


  • Muchono, B., Prinsloo, A. R. E., Sheppard, C. J., Venter, A. M., & Liss, K. D. (2017). Spin density wave behaviour in the (Cr98.4Al1.6)100-yMoy and (Cr100-xAlx)95Mo5 alloy series. In Journal of Physics: Conference Series Vol. 903. doi:10.1088/1742-6596/903/1/012028

Scopus Eid


  • 2-s2.0-85034273976

Volume


  • 903

Issue


  • 1