-
Abundance (raw counts) of pollen, non-pollen palynomorphs and dinoflagellate ...
This dataset has no description
-
Structure determination of solution aggregation of single alkyl chain PC surf...
We have synthesised alkyl phosphorylcholine (CnPC) surfactants in hydrogenated and deuterated form and have determined their solution aggregation using SANS. In this part of... -
Neutron diffraction investigation of magnetic correlations in the S= 1/2 trim...
Spin-trimer chain systems are of current interest due to unconventional properties arising from the strong quantum fluctuations and topology, such as the occurrence of the... -
Quantum spin liquids in a frustrated spin chain
LiCuSbO4 is a new 1D S =1/2 frustrated chain compound. Chains with frustrated ferromagnetic J1 and antiferromagnetic J2 interactions are of significant interest due to the rich... -
Micelle curvature effects on polyelectrolyte-surfactant film structures
This proposal continues our investigations into polyelectrolyte-surfactant thin films which form at the air-solution interface. Our previous work investigated structure... -
Magnetism in a charge doped cuprate chain
We have recently succeeded in measuring the excitation spectrum of charge doped cuprate chains with a 90 degree Cu-O-Cu bonding geometry. This study resolved a long standing... -
Temperature dependence of spin dynamics near quantum criticality in an Ising ...
This proposal is part of our research programme to explore the interplay of thermal and quantum fluctuations near zero-temperature quantum phase transitions. Here we plan to use... -
An S = 1/2 chiral staggered chain in a magnetic field
The molecule-based chiral spin chain, [Cu(pyrimidine)(H2O)4]SiF6·H2O exhibits staggered g-tensors, a rich low-temperature excitation spectrum and a spin gap that opens on... -
Polystrene chain conformations in good solvents and electrospun fibres
This proposal is centered on the preparation of nanoscale fibres prepared by electrospinning and is the focus of the final year PhD programme of Saeed Mohan. These experiments... -
Curvature effects in polyelectrolyte-surfactant solution interactions
This proposal continues our investigations into polyelectrolyte-surfactant solutions which form thin films at the air-solution interface. Our previous work has investigated the... -
Surfactant chain length effects on styrene incorporation in PEI/surfactant films
We have been studying the formation of solid polymer-surfactant films at the air-solution interface formed from cationic surfactants with PEI. We wish to use the highly... -
The effect of alcohol chain length on the interaction between PS-PEO copolyme...
In many applications, surfactants are formulated with a variety of additives to achieve a desired range of properties; polymers and cosurfactants/cosolvents (such as alcohols)... -
Investigation of the excitation spectrum in the 1D distorted diamond chain Az...
We propose to investigate the excitation spectrum of azurite in both zero field and applied fields up to 7T. Using inelastic neutrons on OSIRIS we hope to clearly resolve the... -
Doping-induced energy gap in a quantum spin chain
SrCuO2 is a prototypical S = 1/2 antiferromagnetic (AF) Heisenberg 1D spin chain system. High-resolution neutron scattering studies has already successfully revealed the gapless... -
The calcuim mediation interaction of DNA with monolayers of DSPC and DOPE
The main objective of the present work is to complete some work aimed at gaining an understanding of the interaction of phospholipid membranes containing the neutral helper... -
The magnetic structure of a perovskite like coordination polymer {[Cu(HCOO)3]...
This study is designed to identify relationships between structure and magnetic properties characteristic of coordination polymers (CPs). By determining the ground state 3D... -
The role of zero-point fluctuations in a quantum-disordered spin-dimer compound
Recently a great deal of theoretical and experimental interest has been directed at a class of magnetic materials which undergo phase transitions at zero temperature. These... -
Dynamic ferromagnetic domains in a frustrated 1-d chain system
We propose to carry out a small angle scattering experiment on LOQ or SANS2D on a frustrated Ising chain system. SrHoCrO6 is based on ferromagnetic chains arranged on a... -
Effect of alkyl chain length on the adsorption of n-alkyl phosphocholine surf...
This proposal relates to the study of adsorption of n-dodecyl phosphocholine (C12PC) at the oil-water interface. The thickness of the adsorbed monolayers measured for dC12hPC... -
Tuning B-B exchange in the R2MnMn(Mn4-xTix)O12 quadruple perovskite manganites
For the RMn3O6 manganites, we have shown that tuning A-B exchange, by choice of A-site cation or by doping magnetic impurities, gives rise to dramatically different magnetic...