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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... -
High Temperature study of BaFe2As2
Recent unpublished data collected at MAPS by our group revealed that the spin wave dispersion of the Ba(122) parent differ significantly from Ca(122). In Ba(122) there is a... -
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... -
: Investigation of collective magnetic excitations in Kondo insulator: CeFe2Al10
: Recently the Kondo insulators CeT2Al10 (T=Fe, Ru and Os) have attracted considerable attention. T=Ru and Os order AFM below 29 K, while T=Fe remains paramagnetic. At low... -
Interplay between magnons and Weyl fermions in a magnetic Weyl semimetal
Topological Weyl semimetals, a new quantum state of matter, have attracted huge interests, owing to their exotic physics and great application potentials. Very recently, it has... -
Evolution of spin wave excitations of Mn3Sn in different magnetic ordered phases
Mn3Sn has very complex magnetic ordered phase, a clear magnetic phase transition happens at T=~280K accompanied by the vanishing of AHE.For our Mn3Sn crystal grown by flux... -
Single crystal testing of new TAV pressure cells
This dataset has no description
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Magnetic Excitations of Cobalt Oxide
Cobalt Oxide has the face centered cubic structure above the antiferromagnetic transition of 300 K. The magnetic moments are composed of both spin and orbital contributions.... -
Spin wave investigations of the electron (Si) doped CeRu2Al10
CeRu2Al10 belongs to the CeT2Al10 family (T: Ru, Os, Fe), which exhibits Kondo-insulator behavior and high magnetic ordering temperature (TN=27K), with an unusual competition of... -
Magnetic excitations in La1.2Sr0.8NiO4 and LaSrNiO4
The recent exciting observations in the magnetic excitation spectra of cobalt oxides that are isostructural to the prototypical high-temperature superconducting cuprates have... -
MAPS commissioning (short)
This dataset has no description
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Incommensurate magnetic fluctuation in KFe2As2 at high energy
We clearly observed incommensurate (IC) magnetic excitation in KFe2As2 above Tc with Ei=80 mev on ARCS at ORNL. Though we got beam time at LET, we wish to see how the IC changes... -
Spin excitations in the first magnetic Weyl semimetal Co3Sn2S2
In contrast to the extensively verified Weyl semimetals with broken inversion symmetry, magnetic Weyl semimetals, which break time reversal symmetry, were only theoretically... -
Explore the spectrum of spin excitations in non-superconducting BaFe1.8Ni0.1C...
Recently, our neutron scattering experiments on electron doped BaFe2-xNixAs2 and hole doped Ba1-xKxFe2As2 suggest that the presence of both high-energy spin excitations giving... -
Vibrational density of states for GeO2, an archetypal ¿strong¿ network glass
The object of this proposal is to measure the partial vibrational density of states (VDOS) within the incoherent approximation for the archetypal 'strong' network forming glass... -
Origin of Anomalous Thermal Expansion in Ih phase of Protonated (H2O) and Deu...
Among the all known crystalline ice phases, ice (Ih phase) exhibits anomalous thermal expansion behavior. We propose to measure phonon density of state of protonated ice (H2O)... -
Inelastic Neutron Scattering study on new tetragonal compound Ce2PdGe3
Cerium-based Kondo lattice compounds have received great attention, owing mostly to the variety of exotic ground states that they exhibit (e.g., unconventional... -
Violation of the Gaussian approximation in the incoherent spectrum of hydroge...
A well-known approach to the self-dynamics of liquids is based on the Gaussian approximation, where it is assumed that the motion of a molecule is fully determined by a unique... -
Magnetic ordering and crystal electric fields studies in the new cerium compo...
t The compound CeRh2Al10 is a new member of the 1:2:10 stoichiometry series. Previously thethree well-studied compounds CeT2Al10 (T=Fe, Ru, Os) were showed to be the first... -
Disentangling magnetism and phonons in magnetostrictive CoFe2O4:
CoFe2O4 is a highly magnetostrictive material with a very high magnetic ordering temperature near 900 K. Preliminary triple-axis work has found sharp acoustic phonons, but...