The prospects for an electron electric dipole moment search with ferroelectric (Eu,Ba)TiO${}_3$ ceramics

Abstract

We propose to use ferroelectric (Eu,Ba)TiO${}_3$ ceramics just above their magnetic ordering temperature for a sensitive electron electric dipole moment search. We have synthesized a number of such ceramics with various Eu concentrations and measured their properties relevant for such a search: permeability, magnetization noise, and ferroelectric hysteresis loops. The results of our measurements indicate that a search for the electron electric dipole moment with Eu${}_{0.5}$Ba${}_{0.5}$TiO${}_3$ should lead to an order of magnitude improvement on the current best limit.

References in corpus (2)

• The prospects for a new search for the electron electric dipole moment in solid Gadolinium iron garnet ceramics
• Magnetic susceptibility and magnetization fluctuation measurements of mixed Gadolinium-Yttrium Iron Garnets

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