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A High pressure investigation of the Manganese Carbonyls Mn(CO)5(CH3) and Mn(...
Organometallic compounds play an important role in catalysis, and compounds with metal carbonyl groups have been studied at elevated pressure by vibrational spectroscopy, but... -
A high pressure diffraction study of the formation of symmetric hydrogen bond...
The imidazole ring is important in both biologically important molecules and materials chemistry. That imidazole derivatives can function in such diverse roles is due in part to... -
The structure evolution of C6F6-C6D6 under high pressure
Pressure induced polymerization of simple molecules is evidenced to be a novel method to construct functional carbon materials. Recently, by controlling the decompression rate,... -
The pressure dependence of the decomposition temperature of methane hydrate i...
The properties of methane ammonia water mixtures are crucial for models of how the outer planets evolved and yet have not been much studied. This proposal is for beamtime to... -
Understanding the structure-propagated compression and decompression of zeoli...
Zeolites are incredibly useful porous aluminosilicate materials. We use them both domestically (pool water purification, washing powders, pet litter, odor removal, water... -
Pressure-Tuning Interactions in Spin-Crossover Metal-Organic Frameworks
The magnetism of spin-crossover (SCO) materials containing Fe(II) can be switched by changing conditions. The low-spin state existing at low temperature or high pressure can be... -
Towards the Calibration of Chemical Pressure
The application of hydrostatic pressure allows the precise tuning of atomic separations, which control electronic structure and virtually all the interatomic interactions that... -
A high pressure study of the novel hybrid improper ferroelectric HgMn7O12
We have recently discovered how a novel type of hybrid improper ferroelectricity can arise in the perovskite HgMn3Mn412. This ferroelectricity is driven by a highly unusual... -
High pressure phase transitions in metal-formate perovskites
The family of guanidinium metal formates has the perovskite structure and, like many perovskites, is of interest for these materials' magnetic and electric properties, in... -
Pressure Tuning of Sodium Battery Materials: PART II
This is a continuation proposal to the previous study (RB. 1720418) of NaCoO2. Even if the data analysis is still under process, the result could indicate that the transition... -
Behaviour of hexamethylenetetramine hexahydrate to 5 GPa
The title compound, more succinctly referred to as HMT-hydrate, is a rare example of a water-framework zeolite structure with an organic guest molecule hydrogen bonded to the... -
High-pressure studies of energetic co-crystals and salts
This proposal will explore the effects of elevated pressures and temperatures on the structures of an energetic co-crystal [CL-20:0.5 HMX] and an energetic salt containing... -
Unravelling the temperature-pressure phase diagram for the multiferroic, BiFeO3
Bismuth ferrite is arguably the most widely studied multiferroic material due to room temperature magnetic and ferroelectric ordering. However, despite extensive research the... -
Phase evolution in the transition from epsilon to gamma glycine
Glycine, the simplest naturally-occurring amino acid, exhibits unusually extensive phase diversity. Three polymorphs are known under ambient conditions. Each shows different... -
Pressure-induced structural and magnetic transitions in honeycomb ruthenate A...
Honeycomb ruthenates (Ru4+, 4d4) with strong spin-orbit coupling are expected to host unconventional magnetic ground state owing to a spin-orbital-entangled Jeff = 0 state. The... -
High and Low Temp Comissioning on PEARL
This dataset has no description
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Anvil Tests
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High-pressure studies of energetic co-crystals
This proposal will explore the effects of elevated pressures and temperatures on the structures of two energetic co-crystals - [CL-20:TNT] and nitroguanidine:nitropyridone.... -
High Pressure Neutron Diffraction of Croconic Acid
Croconic acid (Cacid) possesses a well-defined hysteresis in polarization at room temp and the highest spontaneous polarization observed in organic ferroelectrics to date. The... -
Understanding the Pressure Response in Amines: Weak hydrogen-bonding vs Non-b...
Methylamines are an ideal chemical system to study in order to understand the effects of steric bulk and competing non-bonding interactions on hydrogen bonding at the networks...