-
Magnon decay below the critical field in the S=1/2 Heisenberg antiferromagnet...
The two dimensional Heisenberg antiferromagnet on a square lattice is one of the most studied model quantum magnets. This is in part due to its intrinsic interest but also to... -
Test of FERNS CCR at low temperatures on MERLIN
This dataset has no description
-
Temperature dependence of spin dynamics near quantum criticality in an Ising ...
This proposal is part of our research programme to explore the interplay of thermal and quantum fluctuations near zero-temperature quantum phase transitions. Here we apply for a... -
Fractionalized spin excitation and crystal electric field study in the rare-e...
A new rare-earth triangular quantum spin liquid (QSL) candidate, YbMgGaO4, has an odd number of electrons per unit cell and spin-orbit entangled effective spin-1/2 (Yb3+).... -
Quantum spin excitations of Cr-jarosite
Within the field of condensed matter physics, the study of frustrated antiferromagnets is at the forefront of current research. In frustrated antiferromagnets, the geometry of... -
Magnetic Excitations in Chromium
Chromium is unique amongst the d-band elemental metals in that it has a spin density wave ground state. The spin density wave is caused by Fermi surface nesting between electron... -
Doping Dependence of the Resonant Spin Excitation in Ba1-xKxFe2As2
We recently observed a resonant spin excitation in Ba0.6K0.4Fe2As2, one of the newly discovered iron arsenide superconductors with Tc=38K, on MERLIN. This demonstrates that the... -
Excitation spectrum of the quantum critical S=1/2 ladder material Ba2CuTeO6
Ba2CuTeO6 is a recently discovered S=1/2 spin ladder system containing Cu2+ ladders. Our experiments indicate that it is extremely close to the theoretically predicted quantum... -
Mapping magnetic excitations in insulating phase of NaFe0.52Cu0.48As
Magnetism is believed to be linked to superconductivity in cuprates and iron pnictides. However while the parent compounds of cuprates are Mott insulators, the parent compounds... -
Quartz data for PACE
This dataset has no description
-
Towards understanding the radical-bridged 4f complexes featuring the highest ...
The discovery of slow relaxation of the magnetization and quantum effects in the single-molecule magnet (SMM) Mn12-ac in 1993 has inspired both physicist and chemist alike. A... -
Study of spin wave and crystal field effect in R2RuO5 (R = Pr, Nd, Tb
R2RuO5 (R = Pr, Nd, Sm, Gd, Tb) are known to exhibit interesting physical properties. They all show magnetic ordering between 8 ¿ 24 K. They also show large Sommerfeld... -
Copy of: High Energy Electronic Excitations in CoO
following on the success of measuring the electronic excitation in NiO using MAPS, we wish to make similar but more extended measurements of the electronic excitations in CoO... -
INS study to explore the spin gap and spin wave in the A-site ordered spinel ...
LiFeCr4O8 (LFCO) crystallizes in a cubic spinel structure with a noncentrosymmetric space group (F4 ̅3m), where Li+ and Fe3+ ions are ordered in zinc-blend type manner at... -
Spin-orbit transitions of Co3+ in LaCoO3
In our first measurement of the high energy spectrum of LaCoO3 we observed a signal which is a promising candidate for an electronic transition from the low spin ground state of... -
Electronic state of Co3+ in LaCoO3
We will search for spin-orbit transitions of the Co3+ ions in LaCoO3. The ground state is a non-magnetic singlet, but there continues to be a debate about the nature of the... -
Inelastic neutron scattering study on double perovskite Sr2TIrO6 (T = Ca, Sc,...
Recent observation of AFM transition at 1.3 K in Sr2YIrO6 with Ir in 5+ valence state has motivated research interests in the double perovskite Sr2TIrO6. Usually Ir5+ with a... -
Inelastic neutron scattering and µSR studies for the tetragonal layered compo...
Recently discovered tetragonal compounds CeRu2M2X (M=Al and Ga, X=B and C) provide new opportunity to investigate ferromagnetic and antiferromagnetic ordering in the same... -
Superconductivity and critical spin fluctuations
In a successful recent experiment on IN5 (ILL), we have been able to show that in contrast to commonly accepted wisdom, the excitation gap in nearly optimally doped... -
Magnetic fluctuations and ordering in two-dimensional and ferromagnetic Cr2Ge...
The proposal requests time to measure the magnetic fluctuations in a 2 dimensional ferromagnet where the dimensionality is set by weak van der Waals forces. We have previously...