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Nuclear and magnetic structure analysis of Pb2Mn1-xCoxWO6 solid solution (WIS...
Within the framework of multifunctional materials showing the presence of both magnetic and electrical properties, the lead¿based double perovskites Pb2BB¿O6 are recognized as... -
The magnetic structures of RMn7O12 (R = Nd, Sm, Dy, Y)
Materials with the perovskite crystal structure are ubiquitous in condensed matter physics. Despite being known for several years, the quadruple perovskites, which afford... -
Neutron diffraction study of Ga and Al doped MnNiGe alloys
Magnetic equiatomic alloys (MEAs) of the general formula MM'X (M, M' = transition metals, X = Si, Ge, Sn) undergo martensitic transition on cooling from high temperature.... -
Magnetic ordering in new multi-anion solids: Sr2Fe3Se2O3 and Sr2Cr3As2O2
We have identified new multi-anion solids with transition metals in unusual coordination environments and with apparently complex magnetic ordering. This experiment proposed for... -
Possible new magnetic structure for pure Tb and its Y alloys at low temperature
Our previous study indicates the possible existence of a new modulated magnetic structure in pure Tb and its diluted Y alloys. Here we plan to take advantage of the capability... -
Magnetic Structure of Low Temperature Phase of UAu2
UAu2 has an exceedingly simple crystalline structure comprised of columns of U arranged in a triangular lattice, raising the prospect of magnetic frustration. There is a clear... -
Low temperature magnetic properties of the mineral gaudefroyite
The mineral gaudefroyite contains parallel chains of linked MnO6 octahedra. The Mn magnetic moments order with parallel spins within a given chain at low temperature, but the... -
Magnetism, structural distortion and metal-insulator transition in two novel ...
We are interested in a family of double perovskites which have remarkable properties. One member of this family, Pb2CaOsO6, transitions from behaving like a metal to being... -
The phase diagram of the spin-density-wave metamagnet Sr3Ru2O7
Sr3Ru2O7 is an unusual layered oxide metamagnetic metal. It has been know for some time that the application of a large magnetic field (~8 T) perpendicular to the RuO2 planes... -
Neutron diffraction characterization of gallium ferrite thin films
Ga2-xFexO3 (GFO) is a ferrimagnetic magnetoelectric material presenting a Curie temperature above room temperature for x>1.3. It is therefore an interesting candidate for the... -
Dipolar Ordering of a High Spin Molecular Nanomagnet
Systems with antiferromagnetic ordering that is driven predominantly by dipolar interactions are very rare, as the dipolar interaction is inherently weak compared to the... -
Probing the Effect of Applied Field on Magnetocaloric TbOHCO3
There is a growing need to reduce dependence on liquid He for cooling applications below 20 K. Magnetocalorics, which exhibit an entropically driven cooling effect in a cycled... -
Magnetic ordering in the layered oxide chalcogenides A2FeO3CuCh (A = Ca, Sr; ...
This proposal is to measure the evolution of the magnetic structures of a series of iron oxide chalcogenides and compare the structures as a function of cation sizes and with... -
Magnetic Phase Diagram of Geometrically Frustrated BaDy2O4
In BaDy2O4, the magnetic Dy3+ ions are arranged in a network of triangles and hexagons, and coupled with antiferromagnetic exchange interactions, which gives rise to geometric... -
Competing Antiferromagnetic and Ferromagnetic Ground States in CaFe3Ti4O12
Using high-temperature high-pressure synthetic methods we have recently prepared the new quadruple perovskite CaFe3Ti4O12. Curie-Weiss magnetic susceptibility and Mossbauer data... -
Neutron diffraction study of the buckled kagome-lattice Cu3R(SeO3)2O2Cl (R=Yb...
The experimental realization of a S=1/2 kagome lattice has been one of the holy grail of frustrated magnetism because when all antiferromagnetic exchanges cannot be satisfied, a... -
Melting the long-range magnetic order in SrEr2O4 with an applied magnetic field
We have observed an interesting phenomenon of the destruction of long-range magnetic order in SrEr2O4 by a relatively modest applied magnetic field. For a field applied along... -
Magnetic order in a three-dimensional honeycomb iridate
Oxides of 5d elements such as Ir and Os have been attracting much attention as candidates to realize novel types of electronic ground states stabilized by the strong spin orbit... -
Magnetic ordering in the layered oxide arsenide Sr2Cr3As2O3
This experiment will probe the evolution of magnetic ordering in Sr2Cr3As2O3, a compound containing Cr3+ moments in Cr2O square layers and Cr2+ moments in CrO2 layers. We will... -
Textured magnetic phases at a ferromagnetic quantum phase transition
Quantum critically is a unifying theme across correlated electron physics. Classical or thermal phase transitions occur at nonzero temperature and are driven by thermal...