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Spin-Driven Multiferroics CdMn7O12 and SrMn7O12
We propose to perform neutron diffraction experiments on powder samples of possible spin-induced multiferroic materials, 114CdMn7O12 and SrMn7O12, at ambient pressure and low... -
Magnetic and structural transition in tetrahedrite Cu12Sb4S13
Tetrahedrites are minerals which consist largely of earth-abundant and environmentally-friendly elements (copper and sulfur). This family of materials is attracting much... -
Magnetoelastic Coupling and for Competing Ground States in (Ba1-xAx)Fe2As2 (A...
Unconventional superconductivity has recently been suggested in the new class of iron-based superconductors in which unusual gap symmetries have been observed together with... -
Magnetic Structure of the double charge ordered multiferroic perovskites HgMn...
Understanding the magnetic structure of the perovskite manganites has been a significant field of research over the past 20 year due of their numerous technologically relevant... -
Anomalously slow magnetic relaxation in a multi-q helimagnetic phase of SrFeO3
Non-coplanar magnetic orders in metallic helimagnets have been of great interest since the discovery of a vortex-like spin-swirling object called "skyrmion" and the resulting... -
Investigations of some potentially multiferroic/magnetoelectric rare earth ta...
Multiferroics - where ferroelectric and magnetic orders co-exist - continue to be of technological and scientific importance, and of particular interest are the improper... -
Origin of giant ferroelectricity in perovskite-type Mn2O3
Perovskite-type compounds can be both very simple and tremendously complex. Remarkably, even binary perovskite-type compounds may exhibit high level of complexity that leads to... -
Determination of the magnetic structure in the coupled trimer spin system Ba4...
When isolated spin clusters are weakly coupled to each other, zero-dimensional quantum and three-dimensional collective magnetism concomitantly occur. This is envisioned in the... -
Exotic phase coexistence in magnetic and superconducting LaFe(As1-xPx)(O1-yFy)
The proposed 1111 system whose structures are largely underinvestigated exhibits properties with a strong potential for novel properties that complement our knowledge of the... -
Entangled superconductivity and magnetic and charge density waves in A1-xA'xF...
We aim to study select samples of hole and electron doped (A,A')(Fe,B)2As2 (A=Ba, Sr, or Ca; A'=Na, K and B=Co, Ni, or Pt) iron pnictides. These materials exhibit robust...