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2D vs. 3D ordering in CrCl3, a Heisenberg antiferromagnet on a honeycomb lattice
Van der Waals solids containing two-dimensional lattices of magnetic moments with only weak interlayer coupling have attracted significant scientific interest due to their... -
A hidden spin liquid state in strongly correlated FeCrAs
In this continuation proposal we will conclude our muon study of FeCrAs, a recently re-examined material that displays many of the above characteristics, suggesting that it is a... -
Investigation of Magnetic Fields in ZnGeP2:Mn
We propose an investigation of the magnitude and fluctuations of internal magnetic fields in Mn-doped ZnGeP2. This chalcopyrite structured semiconductor has a ferromagnetic (FM)... -
Motional Dynamics of Positively Charged Muonium in Anatase, Brookite and Ruti...
We propose a series of measurements on anatase and brookite Titanium Dioxide (TiO2) to investigate the motional dynamics of positively charged Mu centres and their transition... -
Probing the glass transition in polymers using LF muSR
Nearly all polymers form glasses and the glass transition at temperature Tg dominates many physical properties of polymers that are relevant for their applications. The most... -
LF and RF muSR Studies of Polymer Dynamics in Polydimethylsiloxane
Muon spin relaxation will be used to study the dynamical properties of the polymer polydimethylsiloxane. This has emerged as an excellent model system for the study of polymer... -
Lithium-Methylamine: using muons to finally tell us what is going on with the...
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An ALC study of the organic ferroelectrics TTF-CA and TTF-BA (continuation)
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The nature of excitations in a molecular Haldane system
It is well known that an S = 1 antiferromagnetic spin chain is predicted to have a quantum disordered ground state and a gap in its excitation spectrum. This so-called Haldane... -
Field-induced low-temperature magnetic phase in alkali-metal sesquioxides
Open p-shell anionic compounds are model systems where the interplay between charge, lattice, orbital, and spin degrees of freedom leads to complex magnetic behavior. In the... -
Muon Spin Resonance investigations on two quantum critical points in CeFeAs1-...
Recently, it has been reported that CeFeAsO belongs to orthorhombic structure where both Fe and Ce moments order antiferromagnetically around 140K and 4K, respectively, whereas... -
Magnetic correlations in the Heavy Fermion Ce3Co4Sn13
Ce3Co4Sn13 is a cubic heavy Fermion system which resides close to a magnetic instability.Under ambient conditions Ce3Co4Sn13 exhibits an extremely large (4 J/mol Ce K2) peak in... -
Spectroscopy of muon centres in n-type silicon carbide
We propose a series of measurements to complete the previous direct spectroscopic measurements of the Muonium defect energy levels in Silicon Carbide (SiC; RB110134). We will... -
MuSR Studies of the Proton Conducting Polymer Nafion
The fluorinated ionomer Nafion is a material that provides efficient proton conducting membranes for application in important technological areas such as hydrogen fuel cells.... -
µSR studies of the superconducting and magnetic properties of FeSe1-xSx
FeSe1-xSx is an important model system for investigating the relationship between superconductivity and nematicity. The nematicity can be suppressed systematically by the... -
Multiferroic properties of organic ferroelectrics revealed using muons
The study of organic ferroelectrics based on mixed-stack charge-transfer salts is currently a rapidly developing research field. These materials attract interest as highly... -
Continuation: A Study of AuMu^+ Final States by Dia RF Resonance
Small-sized metal nanoparticles (NPs) are of long standing interest to both magnetism and heterogeneous catalysis. Recent muSR studies of Au NPs encapsulated in mesoporous... -
Anti-ferromagnetic ordering in the super-oxygenated (La,Sr)2CuO4+y supercondu...
We have obtained a LSCOO x = 0.06 single crystal where neutron diffraction shows field induced anti-ferromagnetic order with an onset field in the range 0-1T and increasing... -
Novel ground states and spin ordering in iridate pyrochlores
We request four days of beam time to conduct zero and longitudinal field measurements on iridate pyrochlores A2Ir2O7 (A = Y, Lu, Nd) in the temperature range 200 K to 2 K and in... -
Structure and Magnetism in 2D and 3D Ln2O2MxSe2 Materials
We have recently been able to prepare an exciting new family of infinitely adaptive layered Ln2O2MSe2 phases with controllable transition metal architectures that determine...
