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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... -
Polyamorphism in Glassy GeO2
The object of this proposal is to determine, by using neutron diffraction, the nature of the polyamorphic phase transition that occurs in glassy GeO2 with increasing pressure.... -
High and Low Temp Comissioning on PEARL
This dataset has no description
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Non-uniform elastic deformation of layered crystal structures
The experiment will resolve a discrepancy between earlier experiments carried out very recently by us and work elsewhere on the hydrostatic compression of a series of 211... -
Network compression and pressure-induced amorphisation in Zn(CN)2
Zn(CN)2 is an important material because it shows isotropic NTE over a large temperature range and to an extent more than double that of ZrW2O8. This unusual behaviour... -
Investigation into the “1/8 anomaly” in superconducting cuprates: La2-xBaxCuO...
The superconducting material La2-xBaxCuO4 (LBCO) exhibits an anomalous dip in Tc at the x = 0.125 composition at low temperature (>30 K). This is at odds with other... -
PT-phase diagram of ammonium bromide
Ammonium bromide is a fundamental ionic solid that finds practical use, industrially, as a highly-effective flame retardant and also as an intermediary source of bromide in...