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Spin dynamics of Ce in the Noncentrosymmetric Heavy-Fermion Superconductors C...
In centrosymmetric heavy-fermion (HF) superconductors Cooper pairs have either singlet or triplet symmetry. Recently a handful of non-centrosymmetric Ce-based HF compounds have... -
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... -
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... -
Muon spin relaxation study of biskyrmions in MnNiGa
Skyrmions are chiral spin textures that exist in a variety of magnetic materials. These states are topologically non-trivial, which gives them stability expected to be useful... -
Thermal ionization of bond-centred muonium in diamond
Our previous LF-µSR measurements in natural type Ia single crystal diamond showed some evidence of the ionization of bond-centred muonium (MuBC) from around 1000K. This was... -
Muon spin relaxation investigation of hybrid perovskite solar cell materials
This dataset has no description
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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... -
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... -
Magnetic ordering in the layered oxide arsenide Sr2Cr3As2O3
This experiment will probe the evolution of magnetic ordering in Sr2Cr3As2O3, a compound containing Cr3+ moments in Cr2O square layers and Cr2+ moments in CrO2 layers. We will... -
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... -
Structural studies of thermochemical and phase-change naterials for heat storage
This proposal seeks to study three systems associated with heat-storage applications using in situ neutron powder diffraction. The first experiment will focus on a sample of... -
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... -
Insights into the dynamics of the first known purely hydride conducting oxyhy...
Oxyhydrides represent a new class of materials which is as yet poorly understood. The recent exciting discovery of the first purely hydride conducting oxyhydride is promising... -
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... -
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... -
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... -
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 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... -
Spin excitations in RbFe2F6 ¿ A possible S=5/2 Kagome lattice?
We propose to investigate the spin fluctuations in a candidate S=5/2 Kagome lattice. Previous neutron diffraction has found that RbFe2F6 maybe a good realization of a Kagome... -
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...
