Quantum critical point in CuGeO3 doped with magnetic impurities

S. V. Demishev, Y. Inagaki, M. M. Markina, H. Ohta, S. Okubo, Y. Oshima, A. A. Pronin, N. E. Sluchanko, N. A. Samarin, V. V. Glushkov

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Abstract

Using high frequency (up to 450 GHz) ESR and low-temperature specific heat measurements we find that insertion of 1% Fe and 2% Co damps spin-Peierls and Néel transitions and for T<30 K may give rise to onset of a quantum critical behaviour characteristic for a Griffiths phase.

Original languageEnglish
Pages (from-to)715-716
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
Issue numberII
DOIs
Publication statusPublished - May 2003
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Demishev, S. V., Inagaki, Y., Markina, M. M., Ohta, H., Okubo, S., Oshima, Y., ... Glushkov, V. V. (2003). Quantum critical point in CuGeO3 doped with magnetic impurities. Physica B: Condensed Matter, 329-333(II), 715-716. https://doi.org/10.1016/S0921-4526(02)02022-7