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Joel Helton, Nyrissa Rogado, Robert Cava, Jeffrey Lynn
Co3V2O8 features spin-3/2 moments arrayed on a kagome staircase lattice. A spin density wave with a continuously evolving propagation vector of ⃗k = (0, δ, 0)
Joel Helton, Nicholas P. Butch, Daniel M. Pajerowski, Sergei N. Barilo, Jeffrey W. Lynn
Time-of-flight neutron spectroscopy reveals spin waves in the ferromagnetic ground state of the kagome staircase material Co 32V 2O 8. While previous work has
Joel Helton, Yang Zhao, Dmitry A. Shulyatev, Jeffrey W. Lynn
Neutron spectroscopy is used to probe transverse acoustic phonons near the (2,2,0) Bragg position in colossal magnetoresistive La 0.7Ca 0.3MnO 3. Upon warming
Joel Helton, Susumu K. Jones, Daniel E Parshall, Matthew B. Stone, Dmitry A. Shulyatev, Jeffrey W. Lynn
While the spin dynamics of La 0.7Cad0.3MnO 3 in the ferromagnetic phase are known to be unconventional, previous measurements have yielded contradictory results
Tian-Heng Han, M. R. Norman, J.-J. Wen, Jose Rodriguez Rivera, Joel Helton, Collin L. Broholm, Young S. Lee
New low energy inelastic neutron scattering data on the kagome spin liquid ZnCu 3(OD) 6Cl 2 (Herbertsmithite) reveals diffuse spots near wavevectors (100) and