-
The magnetic excitation spectrum in Fe1.07Te
We propose to investigate the high energy magnetic spectrum in Fe1.07Te. We have previously investigated the fluctuations in Fe1.14Te in the incommensurate phase and have found... -
Spin excitations in Na0.44MnO2
We propose to measure the spin fluctuations in Na0.44MnO2 using the MARI chopper spectrometer. Na0.44MnO2 is derived from alpha-NaMnO2 and is a tunnelled structure. Preliminary... -
Magnetic fluctuations in the presence of charge order RbFe2+Fe3+F6
We propose to investigate the magnetic fluctuations in a charge ordered magnet. Rb(Fe2+Fe3+)F6 is loosely based on a distorted Kagome framework with alternating chains of... -
Dynamic antiphase boundaries and exciton states in CaFe2O4
We propose to measure possible exciton states below the anisotropy gap in CaFe2O4. Recent diffraction work by ourselves has shown that this structure has two competing magnetic... -
Dynamical Perovskites
Hybrid perovskites, composed of an organic cation, inside a post transition metal halide framework, have emerged as simple, low cost solar cell materials, with power conversion... -
Magnetic and Nuclear Structures of Low-dimensional Antiferromagnet K(1-δ...
In 2010 several groups showed that iron selenide, already a superconductor at 8 K, could be charged with alkali cations leading to higher critical temperatures. These compounds... -
Dynamic antiphase boundaries and exciton states in CaFe2O4
We propose to measure possible exciton states below the anisotropy gap in CaFe2O4. Recent diffraction work by ourselves has shown that this structure has two competing magnetic... -
Spin excitations in La2O2Fe2OSe2 ¿ A Mott insulator candidate
We propose to map out the spin excitations in La2O2FeOSe2 using the MARI chopper spectrometer on a powder sample. Although the structure of La2O2FeOSe2 has some similarities to... -
Maximum Entropy Study of Photovoltaic Materials CsPbI3
This dataset has no description
-
Stabilizing antiphase boundaries in de-intercalated CaFe2O4:
We wish to map out the spin excitations in Calcium de-intercalated CaFe2O4 with the goal of understanding how the exchange interactions change in the stabilization of the high... -
Completing the magnetic ordering-crystal structure phase diagram of supercond...
We would like to complete the phase diagram by measuring one more sample of Fe1+xTe for x = 14 %, which represents a point at one extreme of the phase diagram. The simple binary... -
Magnetically Driven Ferroelectric Order in the 2D Antiferromagnet b-NaMnO2.
Incommensurate magnetic phases generated by frustrated magnetic exchange interactions can stabilise novel induced magnetoelectrics. We have recently found that the... -
Completing the Magnetic Ordering-Crystal Structure Phase Diagram of Supercond...
The key objective is to measure three samples of composition Fe(1.05)Te, Fe(1.12)Te, and Fe(1.14)Te as a function of temperature (base to 80 K) through their magnetic ordering... -
Spin excitations in RbFe2F6 and CsFe2F6 A possible S=5/2 Kagome lattice?
Geometrically frustrated spin systems are important owing to the fact that the geometry often suppresses conventional mean field ground states in favor of more unconventional... -
Spin Glass to Canted Antiferromagnetism in Pseudo-dipolar Pyrochlores
Magnetic frustration is of topical interest due to the functional applications within the next generation of electronics. Pyrochlores have contributed significantly within this... -
Magnetic excitations in a pure Fe3+ pyrochlore lattice (FeF3) ¿ A classic spi...
We propose to study the powder averaged spin fluctuations in a S=5/2 pryochlore - FeF3. Previous studies, corroborated by our own diffraction work on WISH, have measured that... -
Magnetic fluctuations in the presence of charge order RbFe2+Fe3+F6
We propose to investigate the magnetic fluctuations in a charge ordered magnet. Rb(Fe2+Fe3+)F6 is loosely based on a distorted Kagome framework with alternating chains of... -
Magnetic fluctuations in the presence of charge order RbFe2+Fe3+F6
We propose to investigate the magnetic fluctuations in a charge ordered magnet. Rb(Fe2+Fe3+)F6 is loosely based on a distorted Kagome framework with alternating chains of... -
Dynamics Of New Photovoltaic Hybrid Perovskite Stabilized in Cubic Symmetry
Hybrid perovskites, composed of an organic cation, inside a post transition metal halide framework, have emerged since 2009 as simple, low cost solar cell materials, with power... -
Spin excitations in RbFe2F6 and CsFe2F6 A possible S=5/2 Kagome lattice?
Geometrically frustrated spin systems are important owing to the fact that the geometry often suppresses conventional mean field ground states in favor of more unconventional...
