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Unravelling spin fluctuation components in a stripe-ordered cuprate
In previous experiments at ILL we observed a gap in the magnetic excitation spectrum of the stripe-ordered superconductor (La,Nd)2-xSrxCuO4, x=0.12. We observed a spin gap of... -
Anomalous lattice dynamics of the elemental superconductor niobium
Phonon lifetimes in BCS superconductors provide information on the details of the electron-phonon coupling mechanism. In 2008 high-resolution neutron inelastic scattering... -
The coupling of spin and charge correlations in La2-xSrxCuO4
Charge density wave (CDW) order has recently been established as a generic feature of high-temperature cuprate superconductors. It occurs near 1/8 doping and has been observed... -
Determining Microscopic Origins of the Thermal Hall Effect in Tb2Ti2O7
Studies of thermal Hall effects in insulating materials ascribe its microscopic origins to charge-neutral bosonic carriers generated by non-zero Berry curvature in the... -
Investigation of the relevant thermodynamic parameters for the production of ...
With fantastic flux gains over its liquid conterpart, a solid methane moderator is essential to the newly built Second Target Station at ISIS. Unfortunately, it is notoriously... -
Spin excitations in the single layer half doped manganite Pr0.5Ca1.5MnO4 abov...
The ground state of the single layer half-doped manganite Pr0.5Ca1.5MnO4 has the canonical CE antiferromagnetic charge- and orbitally-ordered (CO-OO) structure characteristic of... -
Proton diffusion in zirconate perovskites investigated by QENS
The growth in both global demand for energy and fossil-fuel related environmental issues drive research on alternative fuel sources. Solid oxide fuel cells, which can operate on... -
Nearly ferromagnetic fluctuations in CeRhSi3? A high resolution study at lo...
The proposal requests time on OSIRIS to measure the low-energy magnetic fluctuations in CeRhSi3. This compound is a noncentrosymmetric superconductor under pressures of ~10... -
Determination of the magnetic field-temperature phase diagram in metal-organi...
Metal-organic magnets are of interest primarily due to the synthetic versatility enabled by the vast array of organic complexes which can be used to coordinate magnetic ions and... -
Investigation of a new three-dimensional frustrated quantum magnet
Interesting behaviour in Heisenberg spin systems originates from networks of triangles or tetrahedra, where spins interact via antiferromagnetic interactions. In 3D there are... -
Binary colloidal mixtures - SANS contrast variation to study high concentrati...
Mixtures of colloidal particles of essentially two different sizes are commonly used in technological applications such as film formation on surfaces, paper coatings, etc.... -
High energy dependence of countable spin excitations in CaFe2O4 using backsca...
Recent high resolution spectroscopy has found countable and discrete excitations in the two dimensional magnet CaFe2O4. This work aims to track these excitations to higher... -
Investigation of the low temperature magnetic order in azurite.
Both a natural mineral and quantum magnet, azurite is a candidate model of the so-called Distorted Diamond Chain system. Such a system should theoretically exhibit spin-1/3... -
Quantum criticality in the Kitaev system alpha-RuCl3
The experimental realization of a Kitaev model on the honeycomb lattice has been a major topic in a condensed matter physics because the model uniquely provides exactly solvable... -
Field dependence of Magnetic Excitations in the Hyperkagome Spin Liquid Candi...
We are proposing to characterize the short range magnetic correlations and dynamics in a single crystal of Yb3Ga5O12, a geometrically frustrated spin liquid candidate. We have... -
Zero field splitting and quasiparticle breakdown in the two-dimensional quant...
In our recent NRSE experiment on the quasi two-dimensional quantum spin liquid PHCC at TRISP at FRM-II, we have found a zero field splitting (ZFS) of the magnon line of about 50... -
In-gap excitons in CaFe2O4
The proposal requests time to measure the low-energy excitations in CaFe2O4 as a function of temperature. Previous experiments have observed a series of in-gap states at high... -
Full reciprocal space mapping of the relaxational dynamics in CH3NH3PbCl3:
The organic-inorganic perovskites with chemical formula CH3NH3PbB(Br,Cl,I)3 have been implicated as being efficient photovoltaic materials. Theoretical calculations and... -
Nearly ferromagnetic fluctuations in CeRhSi3? A high resolution study at lo...
The proposal requests time on OSIRIS to measure the low-energy magnetic fluctuations in CeRhSi3. This compound is a noncentrosymmetric superconductor under pressures of ~10... -
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+)....