Observation of Anomalous Phonons in E-Type Orthorhombic REMnO3

P. Gao, H. Y. Chen, T. A. Tyson +5

We observe the appearance of a phonon near the lock-in temperature in orthorhombic REMnO3 (RE: Lu and Ho) and anomalous phonon hardening in orthorhombic LuMnO3. The anomalous phono…