Effects of chemical disorder in the itinerant antiferromagnet Ti1-xVxAu

C. L. Huang, J. M. Santiago, E. Svanidze, T. Besara, T. Siegrist, E. Morosan

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

The fragile nature of itinerant magnetism can be exploited using non-thermal parameters to study quantum criticality. The recently discovered quantum critical point (QCP) in the Sc-doped (hole-like doping) itinerant antiferromagnet TiAu (Ti1-xScxAu) raised questions about the effects of the crystal and electronic structures on the overall magnetic behavior. In this study, doping with V (electron-like doping) in Ti1-xVxAu introduces chemical disorder which suppresses antiferromagnetic order from TN = 36 K for x = 0 down to 10 K for x = 0.15, whereupon a solubility limit is reached. Signatures of non-Fermi-liquid behavior are observed in transport and specific heat measurements similar to Ti1-xScxAu, even though Ti1-xVxAu is far from a QCP for the accessible compositions x ≤ 0.15.

原文English
文章編號365602
期刊Journal of Physics Condensed Matter
30
發行號36
DOIs
出版狀態Published - 2018 八月 17

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學

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