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The adsorption of methyl proprionate on silica catalysts.
Commercial routes for the manufacture of methyl methacrylate monomer have recently been developed that involve the reaction of esters over modified silicas, which are amphoteric... -
Magnetic excitations of the model one-dimensional metal K0.3MnO3
Understanding the electronic properties of low-dimensional systems remains one of the central challenges of condensed matter physics. Although great progress has been made in... -
Investigation of magnon dynamics of rare-earth garnet Ho3Fe5O12
Rare-earth Iron garnets (RE3Fe5O12) have been in the focus of active research for the last five decades due to their fascinating properties, such as large magnetostriction,... -
Investigation of the temperature dependence of Q-dependent vibrational modes ...
This proposal seeks to measure the poly-CINS (polycrystalline coherent inelastic neutron scattering) spectrum from magnesium deuteride (MgD2); a powder sample on the MARI... -
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... -
Magnon dispersion in the polar ferrimagnet BaCaFe4O7
Polar or non-centrosymmetric ferri(-o)magnets offer a plethora of potential technological devices;the inherent magnetoelectric effect can underpin both pyroelectric or... -
Spin wave excitations in the 2D honeycomb ferromagnets
Graphene is the single layer of honeycomb-shaped carbon network, for which 2010 Nobel Prize in Physics was awarded thanks to its novel electronic properties. One of such... -
Local structure and proton sites in proton conducting brownmillerites
This proposal requests 3 days on Maps to investigate the nature of local structure and proton sites in the proton conducting brownmillerite system Ba2In1.85M0.15O6H2 (M = In,... -
Temperature dependence of spin dynamics near quantum criticality in an Ising ...
This proposal is part of our research programme to explore the interplay of thermal and quantum fluctuations near zero-temperature quantum phase transitions. Here we apply for a... -
Determination of the Spinon Confining Potential in a 1D, Spin-1/2 XXZ Antifer...
SrCo2V2O8 is a quasi-1D, S-1/2 antiferromagnet with XXZ anisotropy. Weak interchains coupling result in long-range magnetic order at a finite temperature TN. A spinon continuum... -
Fractionalized Spin Excitation in Ce2Zr2O7 Pyrochlore
In recent years, there has been a great interest in quantum spin liquid (QSL). The QSL state is characterized by no conventional order parameter associated with a broken... -
Exploration of possible spin-charge ordered phases in La2-xBaxCoO4 (x=1/3 and...
This is a proposal to measure the magnetic spectrum of single crystal La2-xBaxCoO4 for the first time. The isostructural layered cobaltates with Sr and Ca instead of Ba have... -
Fractionalized magnetic excitations in a quantum spin liquid candidate NaYbSe2
Quantum spin liquid (QSL) is a long-sought goal of condensed matter physics because of its connection to the microscopic mechanism of high-Tc superconductivity and non-trivial... -
The Structure of the High-Energy ¿Paramagnon¿ Excitations in La2-xSrxCuO4
A major problem in physics is the identification of the mechanism of high-temperature superconductivity. Many theories purport to explain the high-Tc phenomenon. In most... -
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... -
Origin of the magnetism in heavily electron-doped iron-selenide superconductor
Elucidating the nature of magnetism in a high temperature superconductor is important. Our previous neutron measurements at low temperature revealed a resonance mode at Q = (pi,... -
z-plus test on Ho2Ti2O7
This dataset has no description
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Magnetic excitations in single crystal BaFe2Se3
In this proposal, we propose to investigate the spin dynamics in the complex material BaFe2Se3. This material presents low dimensional magnetisme below 250K, combined with... -
The exploration of spin waves and magnetic interactions in BaFe12O19
As a member of the large hexagonal ferrite families, M-type barium ferrite BaFe12O19 has been largely investigated by the researchers owing to its rich properties. Recently, a... -
Field-induced z=2 quantum criticality of a 1D quantum magnet
During recent years, the study of T=0 quantum phase transitions (QPT), the emergent scaling properties and their profound influence on physical properties at T>0 has...
