Cation Distributions and Magnetic Properties of Ferrispinel MgFeMnO.

The crystal structure and magnetic properties of the cubic spinel MgFeMnO were studied by using a series of in-house techniques along with large-scale neutron diffraction and muon spin rotation spectroscopy in the temperature range between 1.5 and 500 K. The detailed crystal structure is successfully refined by using a cubic spinel structure described by the space group 3̅.

Publisher Correction: A New Landscape of Multiple Dispersion Kinks in a High-T Cuprate Superconductor.

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

Quantum magnetisms in uniform triangular lattices LiAMoO (A = In, Sc).

Molecular based spin-1/2 triangular lattice systems such as LiZnMoO have attracted research interest. Distortions, defects, and intersite disorder are suppressed in such molecular-based magnets, and intrinsic geometrical frustration gives rise to unconventional and unexpected ground states. LiAMoO (A = In or Sc) is such a compound where spin-1/2 MoO clusters in place of Mo ions form the uniform triangular lattice.

High-energy spin fluctuation in low-T iron-based superconductor LaFePO.

Spin fluctuations are widely believed to play an important role in the superconducting mechanisms of unconventional high temperature superconductors. Spin fluctuations have been observed in iron-based superconductors as well. However, in some iron-based superconductors such as LaFePO, they have not been observed by inelastic neutron scattering (INS).

Three-Dimensional Fermi Surface of Overdoped La-Based Cuprates.

We present a soft x-ray angle-resolved photoemission spectroscopy study of overdoped high-temperature superconductors. In-plane and out-of-plane components of the Fermi surface are mapped by varying the photoemission angle and the incident photon energy. No k_{z} dispersion is observed along the nodal direction, whereas a significant antinodal k_{z} dispersion is identified for La-based cuprates.