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Spin Waves in Detwinned SrFe2As2
We propose to measure spin waves in detwinned SrFe2As2, combined with our data on detwinned BaFe2As2 this allows us to understand if magnetic excitations in the two systems can... -
High energy spin excitations in SrCo2As2
the correlation degree in 122 iron pnictides mainly depends on the electronoccupancy of each orbital and that by doping electrons the correlation decreases monotonically. This... -
Magnetic Fluctuations in BaCo2As2
ACo2As2 (A=Ba, Sr, Ca) are end members of Co doped Ba-122 family. Understanding the magnetic behavior of these end members can help us to understand the magnetic properties of... -
Temperature dependence of the high-energy spin excitations in the newly disco...
Understanding the magnetism in iron pnictides is one of the most important steps to reveal the mechanism of superconductivity in these novel materials. In the extensively... -
Magnetic excitations of heavily electron overdoped BaFe0.8Ni1.2As2
We have devoted much efforts to investigating the doping evolution of the magnetic excitations in electron doped BaFe2-xNixAs2 (x=0-0.6). Spin excitations for x=0-0.6 have been... -
Investigation of the role of functionalization in the catalytic activity of A...
In the last few years functionalised carbon nanotubes and carbon nanofibers have shown promising results in the area of heterogeneous catalysis due to the ability to tune the... -
Spin excitations in overdoped BaFe1.82Ni0.18As2
The relationship between spin fluctuations and superconductivity is an important issue in condensed matter physics. Part of evidence suggesting direct correlation between spin... -
Search for magnetic correlations in Fe phosphide superconductors
We propose to use inelastic neutron scattering to search for the existence of spin fluctuations in two iron phosphide superconductors, LaFePO and Sr2ScFePO3. The objective is to... -
Magnetic excitation in triangular latticce antiferromagnet alpha-CaCr2O4
The triangular Heisenberg antiferromagnet is the classic example of the frustrated magnet, here the ground state forms a non-collinear 120° structure. A number of different... -
Copy of: High Energy Electronic Excitations in CoO
following on the success of measuring the electronic excitation in NiO using MAPS, we wish to make similar but more extended measurements of the electronic excitations in CoO... -
Effect of electron doping on the magnetic dynamics of the d^4 Mott insulator ...
Oxides containing heavy transition-metal ions with four d electrons (d^4) surrounded by an octahedron of oxygen ions have recently been predicted to display a novel type of... -
Mapping magnetic excitations in insulating phase of NaFe0.52Cu0.48As
Magnetism is believed to be linked to superconductivity in cuprates and iron pnictides. However while the parent compounds of cuprates are Mott insulators, the parent compounds... -
Magnetic Excitations in 50% Cu substituted BaFe2-xCuxAs2
We find unusual antiferromagnetic order in Cu heavily overdoped BaFeCuAs2 with the order wave vector at (0.5 0.5 1). This anitiferromagnetic signal cannot come from the parent... -
Direct search for high-energy excitations in ferrimagnetic CrCl2(pyz-d4)2
Although previous INS experiments on CrCl2(pyz)2 confirmed the magnetic origin of a weak dispersive low-energy mode below 1 meV, two major problems remain: (i) its energy scale... -
Magnetic Excitations in 50% Cu substituted BaFe2-xCuxAs2
We find unusual antiferromagnetic order in Cu heavily overdoped BaFeCuAs2 with the order wave vector at (0.5 0.5 1). This anitiferromagnetic signal cannot come from the parent... -
Test of FERNS CCR at low temperatures on MERLIN
This dataset has no description
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The mechanism of cuprate superconductivity investigated in CLBLCO single crys...
Although high quality single crystals of cuprate superconductors have been available for quite some time, comparing the properties of different crystals often raised more... -
Search for magnetic fluctuations and a spin resonance in FeSe intercalated wi...
Very recently, bulk superconductivity has been found at Tc = 43 K in the layered compound FeSe intercalated with Li ions and amide and ammonia molecular groups. We propose to... -
The application of INS to investigate the active phase of methane steam refor...
A previous allocation of beamtime on MAPS [RB720354] revealed the vibrational fingerprint of methane reforming catalysts operating under so-called ¿dry¿ reforming conditions.... -
Magnetic excitations in mesoporous hematite
We have recently prepared mesoporous forms of various metals oxides. In some cases the imposition of a mesostructure changes other properties of the material significantly. One...
