Magneto-Elastic Coupling in the Layered Manganite La${}_{1.2}$Sr${}_{1.8}$Mn${}_2$O${}_7$

C. N. Brosseau, M. Poirier, R. Suryanarayanan +2

We have studied the magneto-elastic coupling in the double layered Mn perovskite La${}_{1.2}$Sr${}_{1.8}$Mn${}_2$O${}_7$ with an ultrasonic velocity technique. The temperature profile of b…