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Phase diagram of a switchable dielectric framework near the critical point
The family of hybrid Prussian blue analogues includes many electroactive materials, where organic cations moving within the pores of the cyanide framework cause unusual and... -
Atomic and magnetic structure of multiferroic hybrid perovskites
The novel electric, magnetic and multiferroic properties of the metal formate perovskites have resulted in substantial scientific attention over the past fifteen years. Their... -
Ferroelectric transitions in potentially multiferroic Mn-formate frameworks
The perovskite-like family of ammonium formate frameworks AB(HCO2)3, where A is a divalent metal ion and B is an (alkyl)ammonium or guanadinium, is of great interest for its... -
Direct measurement of the nuclear momentum distribution in a switchable diele...
The family of hybrid Prussian blue analogues includes many electroactive materials, where organic cations moving within the pores of the cyanide framework cause unusual and... -
Local structure of Sr-doped multiferroic bismuth ferrite
Bismuth ferrite, BiFeO3, is a much-studied ceramic showing both dielectric and magnetic ordering at relatively high temperatures. In order to improve its properties there has... -
Ferroelectric phase transition in Rochelle salt
We propose to measure total scattering from Rochelle Salt in order to provide new insights into the re-entrant phase transitions in this material. Rochelle Salt is an old... -
Structural correlations in ferroelectric triglycine sulfate at high temperatures
Triglycine sulfate is one of the few genuinely second-order ferroelectric phase transitions. As for many ferroelectric phase transitions in complex and molecular systems, there... -
Towards understanding hydrogen defects in perdeuterated systems
The use of deuteration to overcome the difficulties associated with the incoherent scattering from hydrogen, is a well established technique. However, there are increasing... -
Local structure of deuterated perovskite methylammonium lead iodide CD3ND3PbI3
Methylammonium lead iodide has recently been recognised as an excellent photovoltaic material, with energy conversion efficient of up to 15% with the prospect of gaining higher... -
Lattice dynamics in the giant barocaloric Ammonium Sulfate
Given the challenges in providing efficient and non-harmful refrigeration, it is timely to study barocaloric systems, which offer cooling power via the application of pressure,... -
Exploring lattice dynamics in giant barocaloric (NH4)2SO4 under pressure
Cooling is at the heart of modern technology, from storing and transporting food and medicine to computing. Yet current refrigeration technologies rely heavily on... -
Total scattering from multiferroic bismuth ferrite
Bismuth Ferrite (BiFeO3) is the archetypal multiferroic material and as such has been copiously studied using a wide variety of techniques. Despite this, new structural and... -
Cation reorientation dynamics in a hybrid Prussian blue analogue
The cubic pores in many Prussian blue analogues are big enough to contain organic cations. In the material (HIm)2K[Fe(CN)6], the imidazolate guest cation is free to rotate in... -
Spin dynamics in CP*-Ho-COT
Single-Molecular Magnets (SMMs) provide access to the mesoscopic world. They possess slow magnetization relaxation due to an energy barrier induced by axial magnetic anisotropy,... -
Local field orientation and correlation length in the metal-organic perovskit...
In the metal-organic perovskite copper guanidinium formate, correlated Jahn-Teller distortion gives rise to a 1D magnetic structure made up of Heisenberg antiferromagnetic... -
Intermolecular correlations in crystalline adamantane derivatives
Our understanding of disordered materials relies on us quantifying both the nature of the disorder and the correlations between neighbouring atoms and molecules that acts as... -
Rotational dynamics in the ferroelectric and giant barocaloric (NH4)2SO4
Barocaloric materials, in which a large isothermal entropy change is associated with a pressure induced phase transition, offer an alternative to vapour-compression technologies... -
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... -
Total scattering from multiferroic bismuth ferrite at high temperatures
Bismuth ferrite (BiFeO3) is the archetypal multiferroic material and as such has been copiously studied using a wide variety of techniques. Despite this, new structural and... -
Pressure induced softening in ScF3
Recently we have suggested that negative thermal expansion materials will also show an effect called pressure-induced softening, where shown that the elastic stiffness is...