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Spectroscopy of muon centres in n-type silicon carbide
We propose to continue laser spectroscopy measurements of the muonium (Mu-) centres in n-type doped silicon carbide. Scanning a wide wavelength range, and changing the relative... -
HIGH RESOLUTION NEUTRON DIFFRACTION STUDIES ON NEW POLYMORPHS OF MAGENSIUM TE...
The development of high energy density and high efficiency hydrogen storage materials is widely considered to be one of the most challenging barriers to the adoption of fuel... -
The Frustrated Magnetic Order of Ba3BIr2O9, B = Y or Sc.
Studies of iridium-based compounds are at the forefront of solid state physics research. In these materials the electronic configurations are driven by strong spin-orbit... -
Dynamics of the quasi-two dimensional XXZ honeycomb antiferromagnet BaNi2V2O8
We propose to perform zero-field muon spin rotation studies of S=1 honeycomb antiferromagnet BaNi2V2O8 which is an ideal physical realization of the quasi-2D magnetic system.... -
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... -
Pressure effect on high-temperature multiferroic CuO studied by a single crys...
We propose to perform neutron diffraction experiment under high pressure condition, using a single crystal of CuO on WISH beamline. This monoxide is known as a multiferroic... -
Superconductivity and the FμF state in ACa2Fe4As4F2
Materials with a layered structure have been the subject of great interest as potential candidates for high-temperature superconductors. The ACa2Fe4As4F2 family of materials... -
Magnetic Properties of Functionalized Graphene
Recently, we have shown that if the graphene lattice is doped with sulphur, ferromagnetism can emerge once the doping threshold level is overcome [10]. In particular, graphenes... -
Probing superconductivity, static magnetism and light ion diffusion in molecu...
In 2012 we demonstrated that molecular spacer layers could be intercalated in between FeSe layers resulting in a dramatic enhancement of the critical temperature: FeSe is itself... -
Soft chemistry tuning between magnetism and superconductivity in K{1-x}Fe{2-y...
Traditional high-temperature synthesis techniques can be used to vary the composition of K{1-x}Fe{2-y}Se2 up to certain limits. We have found a way to extend the limits on the K... -
Using muons to investigate the excitation spectrum in low-dimensional molecul...
We propose to use longitudinal field muon-spin relaxation to investigate the excitation spectrum of the most successful realizations of one- and two-dimensional antiferromagnets... -
A survey of skyrmions
Skyrmions are topological excitations that exist in a variety of magnetic insulators. Here we propose to complete our previous experiment (RB1320198) with the aim of producing a... -
Chemical control of structures and properties of layered oxide chalcogenides
The crystal structures and magnetic ordering of layered compounds that have been modified by low temperature chemical methods will be probed using neutrons. The systems... -
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... -
A MuSR study of the superconductivity in ACa2Fe4As4F2 (A = K, Rb, Cs)
The iron pnictide (Fe-Pn) superconductors were the second family of high temperature superconductors to be discovered and have a number of different crystal structures. We... -
Probing glassy magnetic transitions in structurally disordered (defect fluori...
Cubic A2B2O7 oxides with A standing for a rare-earth element and B for a transition or main block metal have been systematically studied for their frequently exotic... -
Magnetism in RT2Zn20: below and beyond the Stoner limit
Spontaneous ferromagnetism occurs when exceeding the "Stoner limit", a condition requiring the potential (Coulomb) energy to exceed the kinetic energy cost of splitting the... -
Muon-spin rotation study of the in-plane magnetic penetration depth of REFe_(...
We propose a TF-muSR investigation of the superconducting properties of the REFe_(1-y)Ru_yAsO_{1-x}F_x compound (RE=La, Sm). In this system the substitution of Fe by the... -
Structure and magnetic properties of Sr4Fe6O12
Despite many previous attempts, Sr4Fe6O12 (the expected fully reduced composition for Sr4Fe6O13-x) has not been synthesised. It is of interest because it is believed to contain... -
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...