Ferromagnetism induced in UCoAl under uniaxial pressure

Y. Ishii, M. Kosaka, Y. Uwatoko, A. V. Andreev, V. Sechovský

研究成果: Article

21 引用 (Scopus)


We present the temperature and magnetic-field dependencies of the c-axis magnetization of a UCoAl single crystal under various uniaxial pressures exerted along the c-axis. The main result obtained is the uniaxial-pressure-induced reduction of the critical field of the metamagnetic transition followed by the formation of ferromagnetism at higher uniaxial-pressures. These and other associated results are discussed in comparison with corresponding data obtained by applying hydrostatic pressure on the same material. A scenario considering a variation of the anisotropic 5f-ligand hybridization and its consequences induced by the two different types of applied pressure is an important base for the discussion. The pressure-induced variations of the 5f-3d hybridization within the basal plane of the ZrNiAl-type hexagonal structure seem to be the underlying aspect of the evolution of the magnetism in UCoAl.

ジャーナルPhysica B: Condensed Matter
出版物ステータスPublished - 2003 1 1

ASJC Scopus subject areas

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

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    Ishii, Y., Kosaka, M., Uwatoko, Y., Andreev, A. V., & Sechovský, V. (2003). Ferromagnetism induced in UCoAl under uniaxial pressure. Physica B: Condensed Matter, 334(1-2), 160-166. https://doi.org/10.1016/S0921-4526(03)00041-3