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Proposal to determine the origin of the effects of electric fields on the muo...
In the previous proposal we examined the ALC response of components of the complex dielectric under externally applied electric fields (EEF). We saw a shift in the asymmetry at... -
Local Structure of Bi6WO12 and Bi28Re2O49 Oxide Ion Conductors: Role of Varia...
Oxide ion conductors are technologically important materials with applications in solid oxide fuel cells, oxygen sensors /pumps and membranes for oxygen separation. Two types of... -
Motion of Positevely Charged Muonium Centres in Transparent Conducting Oxides
We propose zero-field depolarization measurements to investigate the motional dynamics of diamagnetic muonium centers in hafnium oxide (HfO2), tungsten oxide (WO3) and zirconium... -
Investigating Lead Halide Perovskite Solar cells
Lead Halide perovskite solar cells are the next generation of solar cells, likely to over take silicon and organic solar cells in applications within the next 5-10 years. Lead... -
Motion of Positevely Charged Muonium Centres in Transparent Conducting Oxides
A continued study of muonium diffusion in transparent conducting oxides (TCO) are proposed. We have ZF depolarization measurements conducted up to room temperatures for SnO2 and... -
Investigation of Magnetic Ground State of Hexagonal Rare-Earth Ferrites by µSR
This experiment is focused on exploring and harnessing magnetic ground state of the multiferroic materials, with particular emphasis on the hexagonal (h), rare-earth ferrites... -
Observation of hydrogen diffusion in hydrogen storage materials with muSR
This is a continuation proposal describing an "in situ" muSR experiment on hydrogen storage materials. For the two previous beam-time allocated for RB1510262 and RB1520259, we... -
Probing lithium diffusion in olivine materials LiMPO4 using muSR
We can trace the history of electrochemical cells just over two hundred years back to Luigi Galvani and Alessandro Volta¿s inventions, and perhaps more than a millennium further... -
Diffusive behavior in novel anode material, LixY2Ti2O5S2
This proposal describes a muSR experiment for studying a diffusive nature of Li ions in novel anode material for Li-ion batteries. The target compound, LixY2Ti2O5S2 (LxYTOS,... -
Muon Study of Ion-diffusion in a Novel Sodium Battery Material
Lithium (Li) ion batteries is the most common battery technology but lately also sodium (Na) batteries are being considered. One reason is that the Li-reserves are limited and... -
Investigating Lead Halide Perovskite Solar cells
Lead Halide perovskite solar cells are the next generation of solar cells, likely to over take silicon and organic solar cells in applications within the next 5-10 years. Lead... -
Na-Ion Dynamics in the Solid Solution Battery Compound Ca1-xNaxM2O4 with M = ...
The compounds belonging to the series of TMOs NaM2O4 (M = Ti, V, Mn, Cr) share the same interesting properties: they are all Q1D metallic antiferromagnets with the Na ions... -
Spin exchange interactions and fractionalized spin excitations in the geometr...
The recently discovered new triangular lattice QSL candidate YbMgGaO4 has attracted great interest on rare earth frustrated magnets. Another triangular lattice rare earth... -
Exploring Divalent Ion Mass Transport in Polar Solids with μSR
Batteries are ubiquitous in everday applications but making them cheaper, safer, and able to store more energy could widen their use still further. Many rechargeable batteries... -
Identification and spin dynamics of state III in phthalocyanines
This experiment proposes to measure the MuSR signal in undoped phthalocyanine (Pc) samples of NiPc, PbPc, FePc and TiOPc, in order to clarify the existence of the paramagnetic... -
Ionic disorder and phase transition studies of Lightweight Hydrides LiBH4 and...
We ask for 3 days on EMU to study the Muon spectroscopy of both LiBH4 and Ca(BH4)2 as a function of temperature from 90K-650K. These materials have been extensively... -
Local Li-diffusion behaviour in high nickel content electrodes for future EV ...
The development of high energy density electrode materials is increasingly important for EV applications. Chief amongst these are the layered oxide materials LiNixMnyCozO2,... -
Muon Spin Relaxation studies of Ni2TCNQ, Ni(TCNQ)2 and related materials
Amorphous molecular magnetic materials Ni2(OA) (OA:organic acceptor) were reported to exhibit ferromagnetism with Curie temperatures >400K. This work is controversial as it... -
Ion dynamics in Sodium and Potassium Cobalt Dioxides
We found that muSR detects Li-diffusion in LixCoO2, LiNiO2, Lix(NiCoMn)O2 and LiFePO4 through a dynamic behavior of nuclear field relaxation. Very recently, we have also found... -
Using muons to examine lithium diffusion behaviour in olivine nanoparticles
The constant global demand on energy resources, coupled to a diminishing supply of fossil fuels, has pushed Li-ion battery cathode development to the research forefront....