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A µSR stoichiometry study of TixV1-x alloys superconductivity in the presen...
This is a continuation proposal, for work carried out previously on the EMU and MuSR spectrometers. We have determined that spin fluctuations are present in this system, by... -
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... -
Charge transport in PffBT4T-2OD and in the PffBT4T-2OD:PC71BM composite: a mu...
PffBT4T-2OD is one of the most recent and most successful low bandgap conjugated polymers used in organic photovoltaics - PffBT4T-2OD based OPV devices have power conversion... -
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... -
Local Field fluctuations and Mu Dynamics in Vanadium Dioxide Compounds
This is an in depth study of magnetic fluctuations and local field dynamics leading into the low temperature magnetic phase of Vanadium Oxide compounds (VO2, VO2:W and VO2:Ti)... -
Muonium in widegap oxides
This proposal is part of a long-range program aiming at determining the stable charge-state configurations, site and impurity energy levels (donor and/or acceptor) of hydrogen... -
Li+ Diffusion Behaviour of Activated Carbon-treated Li4Ti5O12
We propose to carry out muon-spin relaxation to examine Li+ diffusion in AC-treated Li4Ti5O12 which contains a small amount of rutile TiO2. Measurements will be carried out over... -
Muon Spin Depolarization Study of Magnetism in Mn-doped ZnGeP2
We propose a MuSR study of the magnetism in Mn-doped ZnGeP2 during this round of experiments using muon spin depolarization measurements in a longitudinal magnetic field. This... -
Muon spin relaxation studies of KTCNQ and related compounds
Potassium tetracyanoquinodimenthane (KTCNQ) undergoes a spin-Peierls (SP) transition at 396K where a transformation from uniform to dimerised TCNQ- molecules in 1D columns... -
Investigating the muon radical in Sulphur
Recent muon level-crossing measurements in the stable orthorhombic alpha-phase of sulphur indicate the existence of a radical state, with an interesting temperature evolution.... -
Muon spin dynamics in ZnSe
We intend to detail the muonium dynamics and investigate the interaction with charge carriers in n-type ZnSe. A doped ZnSe sample (resistivity=10^4 Ohm.cm, n=10^13 cm^-3) is... -
An ALC study of the organic ferroelectrics TTF-CA and TTF-BA (continuation)
This dataset has no description
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Spin Frustration in Iridate Systems, and the Role of the Spin-Orbit Coupling
We propose to investigate the roles of the spin-orbit interaction and geometrical frustration in stabilising a quantum spin liquid phase (QSL) in some iridate systems. µSR is a... -
Probing time-reversal symmetry breaking superconductivity in non-centrosymmet...
SrAuSi3 crystallizes in a BaNiSn3-type structure which has no inversion symmetry in real space and also a superconductor with a Tc of 1.54 K. SrAuSi3 includes Au as a principal... -
Probing the interplay between charge density wave and superconductivity in st...
We propose to study PdxIrTe2, which evolves from a charge-orbital density wave state to a superconducting state with doping. It has a similar structural motif, doping-dependent... -
Muonium in BeO
BeO is a promising material in order to improve HfO2-based MOSFET devices, and a candidate substitute of HfO2 as high-k gate material. The electrical properties of BeO can be... -
Determining the spin gap in TiPO4
We propose to determine the spin gap in TiPO4, to do this we will carry out a zero-field temperature scan from 5 to 150 K and anticipate focusing our measurements on the region... -
Electron Spin Relaxation Measurements of P3HS
Using muon spin relaxation and ALC resonance spectroscopy the electron spin relaxation and mobility of the polymer P3HS will be measured as a function of temperature. The... -
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... -
Li diffusion in complex olivine, Li(FeMn)PO4
This is a part of our Li-diffusion study in battery materials with muSR. In order for balancing safety and energy density, a solid solution system between LiFePO4 and LiMnPO4...
