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Studies of magnetic polaron formation in EuS via RF-µSR
Experiment is proposed to identify magnetic polaron bound to the muon using RF-muSR. In recent experiment at TRIUMF magnetic polaron was found in transverse field and its... -
Magnetic Excitations of Isolated and Pairs of Co Ions and in MgO
The magnetic excitations will be studied in a powdered sample of 3% CoO in 97% MgO in order to to study the excitations of isolated Co ions and of isolated pairs of Co ions.... -
Na+ diffusion and magnetic behaviour of P2 and O3-type Na2/3Fe2/3Mn1/3O2 laye...
NaxMO2 layered oxides are being investigated as potential cathodes for Na-ion batteries. These systems present a variety of structures that are classified in terms of the Na... -
Magnetic properties of photomagnetic molecular square complexes
This experiment aims at studying the magnetic behaviour of the molecular square complex {[Fe{B(pz)_4}(CN)_3]_2[Co(bik)_2]_2}(ClO_4)_2 . 3H_2O [B(pz)_4 = tetrapyrazolylborate,... -
Muons for Energy Nanonics
In order to improve the performance of future energy devices, nano-structuring materials is one of the most promising routes. LiFePO4 is a commercial battery cathode material... -
Characterization of Li-diffusion in ordered and disordered cathode materials ...
Lithium-excess cathode materials can deliver high capacity and lead to high energy density. Lithium-excess cathode materials are categorized as ordered and disordered on the... -
Muon Investigation of sodium super ionic conductors for sustainable and safe ...
With increasing demands for high performance/capacity rechargeable batteries the materials science community is currently facing two severe issues. First of all there is from a... -
The role of Ti-doping on hydrogen desorption temperature in LiAlH4 and NaAlH4
Fuel-cell cars are expected to be an ultimate solution for accommodating clean environments with convenient personal transport system. In order to make fuel-cell cars more... -
Muon spin rotation studies in Ni-Mn-Sn based metamagnetic shape memory alloys...
Ni2Mn1+pZ1-p (Z= In, Sn, Sb and < p 1) based ferromagnetic shape memory alloys (FSMAs) with Heusler type structure are fascinating materials as far as the magneto-functional... -
Li-diffusion dynamics in high voltage fluoride-containing cathodes
Research on positive insertion electrodes for high performance batteries has seen immense interest in fluoride containing compounds, since higher operating potentials can be... -
Muonium Defect Levels in 4H Silicon Carbide
We propose to obtain the temperature dependence of the diamagnetic spin-precession amplitudes up to 1100 K for the three electrical types of 4H-SiC in order to extract the Mu... -
Microscopic conduction study on phenylacetylene capped silicon nanoparticles ...
In order to reduce global greenhouse gas emissions, and to meet the UK's commitment of a reduction of 80% by 2050, it is necessary to make major advances in efficient, clean and... -
Disorder and ion mobility in Li4BH4(NH2)3 and Li2BH4NH2
Hydrogen storage is a significant area of energy materials research and there have been extensive efforts into the discovery and development of lightweight materials. Although... -
Investigation of Li diffusion in Li-ion battery materials by muSR
We would like to propose a continuation experiment on Li-ion battery cathode material, Li(Ni,Co)O2. In previous experiments in 2013 and 2014, we attempted muSR technique to... -
Hydrogen impurity in solar cell materials CIGS and CZTS
In this proposal we intend to complete the characterization of the hydrogen impurity in solar cell materials Cu2ZnSnS4 (CZTS) and Cu(In,Ga)Se2 (CIGS), by using the positive... -
Na-Ion Dynamics in the Solid Solution Battery Compound Ca[1-x]Na[x]Cr2O4
Here we propose a u+SR investigation on the solid solution Cax-1NaxCr2O4, a Q1D zigzag chain compound where Na+ ions are allocated in the hexagonal one-dimensional channels... -
Diffusive behavior in battery materials under electric field
Lithium diffusion in magnetic materials is found to be well detected by muon-spin spectroscopy. However, such a diffusive behavior has been measured without potential gradient,... -
Exploring local ion diffusion dynamics in hydrated LiRAPs by muSR
Many of the devices currently used for energy storage (e.g., batteries, solar cells) use liquid electrolytes that are known to pose a serious fire and safety risk. In recent... -
The role of spin fluctuations, disorder and non-colinearity in the INVAR effect
The origin of the Invar effect, whereby certain ferromagnetic alloys exhibit near zero thermal expansion around room temperature is still not properly understood. Although the... -
Study of Magnetic Features in WQeakly Mn-Doped ZnGeP2
Continued investigation of magnetic fluctuations in the Mn-doiped chalcopyrite semiconductor ZnGeP2 is proposed using LF-MuSR depolarization rates. Due to ferromagnetism above...