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Spin wave investigation in brownmillerite oxygen deficient perovskite Ca2Fe2O5
The Dzyaloshinskii-Moriya interaction is thought to be responsible for the stabilization of weak ferromagnetism or magnetic spiral states in a number of diverse systems. An... -
Inelastic neutron scattering investigations to study Ru-trimer and molecular ...
The orthorhombic compound Ba4Ru3O10 having Ru3O12 timers coupled via corner-shared oxygens in the crystal structure exhibits very interesting magnetic and transport properties.... -
Spin anisotropy in the isovalent doped iron pnictides Ba0.9Sr0.1Fe2As2
Understanding the electronic anisotropic state at a temperature associated with the nematic phase is unresolved problems in iron pnictides. Although many experiments focus on... -
Assignment of higher-order transitions in the vibrational spectrum of the nov...
This proposal requests 2 days on MERLIN to measure the INS spectrum of the novel perovskite type oxyhydride BaTiO3-xHx (x = 0.4). Prevision INS measurements, on TOSCA, have... -
Spin gap opening associated with an extraordinary magnetovolume effect in som...
We have discovered an unusual magnetovolume effect in the 6H-perovskite oxides Ba3BiIr2O9 and Ba3BiRu2O9. These compounds contain isolated face-sharing bi-octahedral dimers... -
Magnetic interactions in honeycomb iridates Na2IrO3
We propose to study the magnetic excitation spectrum of Na2IrO3 with inelastic neutron scattering. Na2IrO3 is a promising candidate to realize Kitaev interaction. By mapping out... -
Magnetic fluctuations at the QCP of Mn1-xFexFe
This dataset has no description
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Investigating the excitation spectrum of a single-band Hubbard model compound...
The single band Hubbard model is considerably the simplest effective model that includes both the delocalizing/hopping energy and the on-site interaction for describing strongly... -
Inelastic Neutron Scattering Study to Understand Magnetism of Ca3Cu1-xMn1+xO6...
This dataset has no description
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Single crystal study of spin gap formation in CeT2Al10 (T=Ru and Os)
Our recent inelastic neutron scattering (INS) study using MARI clearly reveals the presence of a sharp inelastic excitation near 8 meV and 11 meV in CeT2Al10 (T=Ru and Os)... -
Investigation of a Potential realization of the Nersesyan-Tsvelik Model in (N...
We propose to investigate the highly one-dimensional (1D) S=1/2 Heisenberg antiferromagnet (NO)[Cu(NO3)3] which is a potential realization of the Nersesyan-Tsvelik model. The... -
Determination of the on-top vibrational mode of the surface hydride in PdH.
Finely divided supported palladium particles are used as catalysts in many technical processes. Using MAPS we have recently investigated the interaction of hydrogen with the... -
Novel state of matter in the site-ordered double perovskites Ba2YWO6
In solids, spins and orbitals are usually not coupled to each other. This may be not true any more in the rocksalt ordered double perovskites having spin-orbit coupling.... -
Ligand-field characterization and U-Pt bonding in uranium-based heterometalli...
We propose to investigate the magnetic excitation spectra of tetravalent uranium ions in two isostructural, one-dimesional chains made up by aligned UM2 units, with M = Pt and... -
Effect of electron and hole doping on the spin gap formation in Kondo insulat...
CeFe2Al10 belongs to the CeT2Al10 family (T: Ru, Os, Fe), which exhibits Kondo-insulator properties, with an unusual competition of strongly anisotropic crystal-field and... -
Magnetic excitations in the new S = 1/2 kagome antiferromagnet and quantum sp...
Materials which display exotic electronic states are of great interest to fundamental science, such as quantum spin-liquids (QSL) which are theorised to underpin the transition... -
Spin anisotropy of Seff=1/2 triangular rare-earth based antiferromagnets
The rise of quantum materials observed in the past decades has been a source of great excitement for condensed matter scientists, with the flourishing of new concepts and... -
magnetic excitation in square lattice 2D heisenberg antiferromagnet Sr3Fe2O6.5
Oxygen doping in Sr3Fe2O7-x is of special interest because it allows us to continuously tunethe magnetic interactions and dimensionality in a strongly correlated system.... -
Temperature dependence of the magnetic excitations in the near perfect S = 1/...
Quantum spin liquids (QSL) are novel states of matter that display exotic ground states and fractionalized excitations. In two dimensions, the most promising model system is the... -
Crystal field excitations of Co ions in the ideal triangular lattice antiferr...
We propose to measure crystal field transitions of Co ions in Ba3CoSb2O9, proposed to be a unique experimental realization of the S=1/2 antiferromagnet on the triangular...
