Colossal Magnetoresistance and Phonon Driven Exchange Dynamics in Eu${}_5$Sn${}_2$As${}_6$

Luke Pritchard Cairns, Kohtaro Yamakawa, Shengzhi Zhang +9

The emergence of colossal magnetoresistance in a new generation of Eu${}^{2+}$-based antiferromagnets is intriguing given stark contrasts to the archetypal perovskite manganites and…