Momentum-resolved observations of the phonon instability driving geometric improper ferroelectricity in yttrium manganite

par Dipanshu Bansal, Jennifer L. Niedziela, Ryan Sinclair, V. Ovidiu Garlea, Douglas L. Abernathy, Songxue Chi, Yang Ren, Haidong Zhou, Olivier Delaire
Publié 2018

Magnetic Field Effect on Topological Spin Excitations in CrI_{3}

par Lebing Chen, Jae-Ho Chung, Matthew B. Stone, Alexander I. Kolesnikov, Barry Winn, V. Ovidiu Garlea, Douglas L. Abernathy, Bin Gao, Mathias Augustin, Elton J. G. Santos, Pengcheng Dai
Publié 2021

Decay and renormalization of a longitudinal mode in a quasi-two-dimensional antiferromagnet

par Seung-Hwan Do, Hao Zhang, Travis J. Williams, Tao Hong, V. Ovidiu Garlea, J. A. Rodriguez-Rivera, Tae-Hwan Jang, Sang-Wook Cheong, Jae-Hoon Park, Cristian D. Batista, Andrew D. Christianson
Publié 2021