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An in situ study of structural and magnetic order in LaSrCoFeO6-x
LaSrCoFeO6 is a rhombohedral perovskite, and can be reduced to the orthorhombic brownmillerite LaSrCoFeO5 in reducing atmospheres at around 600 deg C. This material is air... -
Study of Co- and Fe-doped and undoped hafnium oxide tunnel barrier structures
We propose to investigate with polarized neutron reflection (PNR) measurements the magnetic moment and interface properties of Co- and Fe-doped HfO2 thin films and undoped HfO2... -
Incommensurate magnetic fluctuation in KFe2As2
The debate whether interband or intraband scattering is crucial for Fe-based superconductors is not settled down yet. Investigation a system with completely missing electron... -
Evolution of the magnetic order in Yb(Rh(1-x)Cox)2Si2
In this proposal we want to clarify the magnetic structure on Yb(Rh(1-x)Cox)2Si2 by means of single neutron diffraction on SXD. In previous experiments we identified the... -
Structural and magnetic studies of the alkali sesquioxides Rb4O6 and Cs4O6
The mixed-valence sesquioxides A4O6 (A = alkali metal) are particularly intriguing magneticmaterials comprising of non-magnetic (O2)2- and magnetic (O2)- anions. Recent... -
Study of the multi-gap phenomena in SrTiO$_3$
We intend to perform the magnetic field penetration depth \lambda measurements on theoxygen reduced and Nb-doped SrTiO_3 -- the first oxide superconductors where two-gap... -
Investigation of magnetic orderings in multiferroic PbFe12O19
We propose to perform neutron diffraction experiments on a powder sample of a multiferroic hexaferrite PbFe12O19. A recent paper has reported room temperature multiferroic... -
The relationship between the pseudogap and magnetic excitations in La2-xSrxCuO4
This proposal is part of an ongoing project to relate the magnetic excitations to other electronic properties of the cuprate superconductors. We have recently proposed that the... -
Coexistence of Superconductivity and Magnetism in Thin Films
We have recently used a combination of PNR and low energy muon spin rotation (LEM) to detect the coexistence of an induced SDW and superconductivity in the superconducting layer... -
Magnetoelastic coupling effect on multiferroic behaviors in different types o...
We propose to perform high resolution neutron diffraction on powder samples of the frustrated antiferromagnets Ag1-xCuxFe1-yGayO2 using HRPD. CuFe1-yGayO2 and AgFeO2 have... -
Quasi two-dimensional molecular layers separated by magnetic and non-magnetic...
One goal of our research into the nanoengineering of molecular magnets is a detailed understanding of the relationship between the structure and composition of a system and its... -
Investigation of magnetic phase coexistence and determination of magnetic pha...
The solid solution Mn(1-x)Fe(x)WO4 exhibits complex antiferromagnetic order with coexistence of commensurate and incommensurate magnetic structures. Furthermore, the MnWO4 end... -
The electronic structure and magnetic properties of metal nanoparticles stabi...
In recent years, nanoparticles have been a major source of interest in a wide range of fields. Our long term objectives are tuning the free radical reactivity on the surface of... -
MUSR studies in the spin ferromagnetic Nd0.75Gd0.25Rh3B2 and Nd0.8Tb0.2Al2 al...
We propose to characterize the two magnetic transitions in Nd0.75Gd0.25Rh3B2 and study the spin dynamics and field induced domain rotation via zero field (ZF) and longitudinal... -
Investigation of magnetic order in topological insulators induced by the prox...
The breaking of time-reversal symmetry via ferromagnetic (FM) doping is crucial for enabling many interesting phenomena in topological insulators (TIs) such as the Quantum... -
4f electronic states of the filled skutterudite compound PrFe4Sb12 synthesize...
Crystals of the filled skutterudite PrFe4Sb12 with the 73~87% Pr-site filling fractions prepared under ambient pressure show some magnetic ordering around 5 K and their... -
Magnetic Properties of Rare-Earth Carbonates
We have prepared a new family of rare-earth carbonates, R4(CO3)6(H2O)2en (R=Dy-Lu). With the exception of R=Er, all materials exhibit a steadily decreasing meff below 70K. The... -
Search for Antiferromagnetic order in ZrMn2
Today, about seventy years after Laves, there exists a fairly good knowledge about the basic structural principles of Laves phases but many questions still remain. AMn-type... -
High Temperature Spin Transition in LaCoO3
We aim to continue our investigation of the high temperature magnetic interactions in LaCoO3. Our previous experiment has confirmed magnetic susceptibility data, with a change... -
MuSR study to investigation a small moment magnetic ordering in Ce(Os1-xFex)2...
Our recent musr studies on CeT 2Al10 (T=Os and Ru) reveal a clear sign of long range magnetic ordering below 28 K in both the compounds. More interestingly the frequency...