Pressure and subtstitution driven instabilities of non-Fermi liquid Ce3Pd4Si4тезисы доклада

Дата последнего поиска статьи во внешних источниках: 11 апреля 2017 г.

Работа с тезисами доклада


[1] Pressure and subtstitution driven instabilities of non-fermi liquid ce3pd4si4 / R. Nikolas, S. Khan, M. Ivan et al. // SCTE 2016 - 20th International Conference on Solid Compounds of Transition Elements, Zaragoza, Spain, 11-15 April 2016. — 2016. — P. 190–190. An experimental investigation of ternary Ce3Pd4Si4 evidenced non-Fermi liquid properties due to the proximity of this paramagnetic compound to a quantum critical point. The ground state observed for this Ce system appears to be a result of mutual interactions of the crystalline electric field, of the Kondo effect and of RKKY interactions. A subtle change of the balance of these interactions e.g., by pressure or by substitutions is expected to trigger some instability, presumably of magnetic origin. The aim of the present investigation is to reveal the response of the system when certain atoms in Ce3Pd4Si4 are exchanged by different other appropriate elements. Here we will show, how long range magnetic order in the substituted materials develops on a substitution of Ce/La, of Pd/Ni and of Si/Ge from a study of temperature, pressure and magnetic field dependent transport properties, of magnetization and of specific heat.

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