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Investigation of Jahn-Teller assisted polaron collapse beyond the percolation...
Polaron-mediated colossal magneto-resistance (CMR) was predicted decades ago but never been experimentally established unambigously, despite the 'universal' existence of... -
Probing the nuclear and magnetic structure of a complex ferromagnetic semicon...
Understanding the structures of complex materials is key understanding their properties. Here we wish to determine the structure, both atomic and magnetic, of a complex... -
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... -
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... -
Determination of successive magnetic orders of a new honeycomb-based multifer...
Novel functionality in condensed matter physics is one of fastest developing fields, aiming for possible future applications including quantum computing, electronic devices and... -
Magnetic structures of antiferromagnetic heavy fermion CeAuAl3 and CeCuAl3 co...
CeAuAl3 and CeCuAl3 compounds crystallize in the tetragonal I4mm, BaNiSn3-type and display interesting bulk properties. Here we propose to investigate the magnetic structures of... -
Spin-Lattice coupling in Frustrated Triangular Lattice Antiferromagnet AFeO2 ...
In this proposal, we would like to propose to perform neutron diffraction experiments on the powder samples of the frustrated antiferromagnets AFeO2 (A=Cu and Ag) using WISH. In... -
Magnetic structure of pyrochlore irridate Y2Ir2O7
We propose to study by powder neutron diffraction the ordered magnetic state of the pyrochlore compound Y2Ir2O7. There is currently an increasing interest in the condensed... -
Are La3Ni2NbO9 and La3Ni2TaO9 relaxor ferromagnets?
A relaxor ferroelectric exhibits a net polarisation only in an applied electric field due to the co-alignment of polar nanoregions. In La3Ni2SbO9 we found the magnetic... -
Magnetically Driven Ferroelectric Order in the 2D Antiferromagnet b-NaMnO2.
Incommensurate magnetic phases generated by frustrated magnetic exchange interactions can stabilise novel induced magnetoelectrics. We have recently found that the... -
Tuning B-B exchange in the R2MnMn(Mn4-xTix)O12 quadruple perovskite manganites
For the RMn3O6 manganites, we have shown that tuning A-B exchange, by choice of A-site cation or by doping magnetic impurities, gives rise to dramatically different magnetic... -
Possible Magnetic new Fermions in Materials with the Pyrite Crystal Structure
In oder to understand our universe, we built large research facilities such as the LHC in Switzerland, which can be used to find new particles. In the solid state, such... -
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... -
Fishing for a new magnetic phase in the Pr1-xCaxMnO3 manganites phase diagram
Based on old data and the recent litterature, we suspect the existence of a poorly documented low temperature magnetic phase transition (T<30K) in colossal magnetoresitve... -
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... -
High-pressure effect on the magnetic ordering in frustrated antiferromagnet C...
Test of the NIMS low temperature pressure cell on WISH. -
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... -
Neutron diffraction study of some Mn-Ni-Ge based magnetic equiatomic alloys
Magnetic equiatomic alloys (MEAs) of the general formula MM'X (M, M' = transition metals, X = Si, Ge, Sn) undergo magnetostructural transition of martensitic type on cooling... -
Magnetic structure of new manganite TlMnO3
Recently synthesized new perovskite TlMnO3 is distinct in respect of crystal structure (space group) and orbital ordering from those of the previously known trivalent perovskite... -
Reentrant Structural Transitions and Collapse of Charge and Orbital Orders in...
A-site ordered quadruple perovskites, AA3B4O12, show many interesting physical and chemical properties, for example, inter-site charge transfer and disproportionation, giant...