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A High-Pressure Study of TNT
This proposal will explore the effect of elevated pressure on the widely used civil and military explosive TNT (trinitrotoluene). We are proposing a careful high-pressure... -
Simultaneous Microwave Dielectric Spectroscopy and Neutron Diffraction to Mon...
With appropriate storage materials, ammonia has great potential as a fuel. We propose to use a novel piece of equipment, which combines microwave and neutron diffraction... -
Structural phase transitions in Li doped AgNbO3.
The aims of the present proposal are twofold. Firstly to use very high resolution neutron diffraction data to establish accurate and precise structures of the novel... -
Crystal and magnetic structures of the anionogenic ferromagnet Ba0.85K0.15O2
We propose to use GEM to study the evolution of both the crystal and magnetic structures of Ba0.85K0.15O2 between room temperature and 2 K. Ba0.85K0.15O2 is a novel phase not... -
Effects of external and chemical pressure on the magnetovolume effects in Ba3...
Ba3BiIr2O9 and Ba3BiRu2O9 undergo very unusual structural transitions at 74 and 176 K respectively, with instantaneous negative thermal expansion of up to 1% in the Ir compound.... -
Kinetics of Hydrogen Abstraction by Mu Reactivity with Propane studied by RF ...
Hydrogen abstraction reactions are key steps in free radical mechanisms that dominate the combustion and atmospheric chemistry of the alkane hydrocarbons and, as such, merit... -
High pressure charge transitions in PbCoO3
PbCoO3 used to be the missing link in the PbMO3 perovskite series. PbCoO3 was recently synthesized by the Azuma group using high-pressure synthesis at 12 GPa. NPD at JPARC... -
Texture memory and variant selection for steel and titanium and zirconium alloys
The proposed experiment will focus on determining the level of texture memory and variant selection on both heating and cooling for steel and titanium and zirconium alloys with... -
The crystal structure and thermal expansion of orthorhombic NiSi
NiSi is a technologically important material that is also of interest to Earth Scientists because of the possible role of Ni and Si in the Earth¿s core. It crystallises in the... -
Structural distortions and partial order in the selenate and chromate analogu...
The mineral mirabilite (di-sodium sulfate decahydrate) has been extensively studied by X-ray and neutron powder and single-crystal diffraction methods. The structure contains an... -
Structure and Phase Transitions of XNbOP2O7, with X = ND4 and Rb
In this proposal we request 3 days of beam time on HRPD to study the structure and phase transitions of XNbOP2O7 (X = Rb and ND4). These materials have been shown to undergo... -
In Situ High Pressure NMR study of the Direct Synthesis of NaAlH4
NaAlH4 has been a model system for metal hydride hydrogen storage materials since the reaction was identified to be reversible. The decomposition pathway has been described by a... -
Pressure-induced proton migration in an energetic co-crystal
The results of these studies will provide valuable information on the effects of extreme conditions on the structures of an energetic salt and co-crystal formed between... -
Ionic disorder studies of lightweight hydrides by VESUVIO
We ask for 8 days on VESUVIO to study the momentum distribution of LiBH4, Li2NH and Li1+xNH2-x as a function of temperature from 10K-653K (depending on sample). Li2NH and... -
Molecular Mechanisms of Enhanced Thermal Conductivity in Copper-based Nanofluids
The combination of the transport properties of liquids with the high thermal conductivity of metals is a promising way of improving heat transfer efficiency and thus reduce... -
Deuteration-induced phase transition in a multiferroic framework material
The hybrid organic-inorganic perovskites are of great interest as functional materials, because they combine the well-established perovskite topology with new physics and... -
Unpicking the signal of partial order from thermal motion in diffuse scatteri...
Orientationally-disordered water molecules in ice adopt a degree of partial order upon cooling, a process that is halted by kinetics at ~100 K in pure ice and ~60 K in KOH-doped... -
Understanding the decomposition of ammonia by lithium-calcium imide
Among light metal amide-imide catalysts for ammonia decomposition, lithium-calcium imide is the most promising candidate for practical application. Ex situ diffraction data... -
High-Pressure Investigation of the Ferroelectric ND4IO3
We propose a high-pressure neutron powder diffraction study of the crystal structure of deuterated ammonium iodate, ND4IO3, which is known to undergo a ferroelectric phase... -
Thermal expansion of persubstituited aromatics I: benzene.
Benzene is probably the most studied compound in the history of organic chemistry. Whenever a new experimental technique or theoretical method is being developed most of the...
