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Alpha-CaCr2O4: magnetic study of a new case of triangulaire Cr-lattice
We propose to study a layered oxide in which chromium cations describe a triangular array. Itseems us that no magnetic data are reported up to now for this alpha-CaCr2O4... -
Proton dynamics in novel organic ferroelectric materials
The vast majority of known ferroelectrics are inorganic compounds such as barium titanate and potassium dihydrogen phosphate. Contrary to naïve expectation, ferroelectricity in... -
Probing the magnetic structure of transition metal pyrovanadate Fe2V2O7
We have synthesized and characterized a new member, namely Fe2V2O7 in the family of 3d transition metal pyrovanadate M2V2O7 (M =Mn, Fe, Co, Ni, Cu). M2V2O7 exist with a great... -
Structure and cation ordering in A2Sn3Q7-type phases (A=In, Cr; Q= S, Se)
We wish to exploit the contrast afforded by neutrons to study the ordering of In and Sn cations in indium tin chalcogenides. Cation ordering has been inferred from spectroscopic... -
Spin waves in ferromagnetic YbNiSn
YbNiSn is a Yb analogue of ferromagnetic superconductors URhGe and UCoGe. All materials share the same crystal structure, have similar Curie temperatures and a similar... -
Weyl Points in the Magnetic Excitations of Er2Ti2O7
In the condensed matter community the last ten years have seen a revolution in our understanding of how topology influences the properties of solids. A famous example from the... -
Magnetic structure of a new quantum magnet
SrCuTe2O6 is a quantum magnet featuring spin-1/2 magnetic ions that are coupled intoantiferromagnetic chains with frustrated interchain coupling. An ideal... -
Magnetic order in the quantum critical phase of Sr3Ru2O7
Many novel electronic ground states form in close proximity to quantum critical points (QCPs), that is, the point where a continuous phase transition occurs at zero temperature.... -
INS studies of copper sulphate pentahydrate - two birds with one stone.
Copper sulphate pentahydrate is one of the iconic substances of chemistry. The characteristic dark blue colour is the result of the water present: four molecules are coordinated... -
INS studies of molecular hydrogen in K-doped electrospun graphite nanofibres
The physisorptive capacity of graphite-based nanomaterials for hydrogen is strongly dependent on their internal surface areas and pore dimensions. We have made electrospun... -
Multiferroic (Ferroelastic/Magnetic) Phase Transitions in KMnF3
KMnF3 perovskite undergoes 3 structural, and two magnetic phase transitions on cooling from 300 K to 2 K. Above 185 K the compound is in the aristotype structure, on cooling... -
Investigation of activated carbon materials as a catalyst support
The direct synthesis of hydrogen peroxide from hydrogen and oxygen offers a cleaner more atom efficient alternative to the current commercial production process for this... -
Magnetic excitations in 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... -
Low-energy excitations of the quantum critical S=1/2 ladder material Ba2CuTeO6
Ba2CuTeO6 is a newly discovered S=1/2 spin ladder material thought to be uniquely close to the theoretically predicted quantum critical point of the coupled two-leg spin ladder... -
Optimising the Haupt effect: the route toward application
The implementation of quick temperature cycles over the temperature range 2-40K in g-picoline has lead to the first observation of a redistribution of scattered intensity in... -
Spin waves in lightly doped LiGa1-xInxCr4O8
Magnetic frustration - the inability to mutually satisfy all magnetic interactions in a system - is the source of many interesting phenomena, including spin liquids and ices. In... -
In-situ hydrogen decomposition studies of ammonia borane and the diammoniate ...
Ammonia borane (AB) is one of the most promising hydrogen storage materials. We have extensively studied the low temperature behaviour of this material This proposal asks for 3... -
Looking for potential diffuse scattering in a large crystal of green dioptase
This dataset has no description
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Cation-Exchanged Layered Polar Perovskite Oxides (Magnetic)
Multiferroic materials - those which exhibit spontaneous and switchable electrical and magnetic polarizations - have a wide range of applications. However preparing new... -
H_2 dynamics in filled ices prepared between 3 and 7 kbar
The proposing team has a well established experience in the use of INS on samples containing H_2. Our recent experimental results on sII and sH H_2-filled clathrate hydrates,...
