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- Centre National de la Recherche ScientifiqueFR212 papers
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7 papers · 2 filters
Paramagnetic spin excitations in insulating RbFeSe
Miaoyin Wang, Xingye Lu, R. A. Ewings +6
We use neutron scattering to study temperature dependent spin excitations in insulating antiferromagnetic (AF) RbFeSe. In the low-temperature AF state, spin wav…
Temperature dependence of the paramagnetic spin excitations in BaFeAs
Leland W. Harriger, Mengshu Liu, Huiqian Luo +4
We use inelastic neutron scattering to study temperature dependence of the paramagnetic spin excitations in iron pnictide BaFeAs throughout the Brillouin zone. In contrast…
Spin-wave excitations and superconducting resonant mode in Cs(x)Fe(2-y)Se2
A. E. Taylor, R. A. Ewings, T. G. Perring +6
We report neutron inelastic scattering measurements on the normal and superconducting states of single-crystalline Cs0.8Fe1.9Se2. Consistent with previous measurements on Rb(x)Fe(2…
Electron doping evolution of the anisotropic spin excitations in BaFe2-xNixAs2
Huiqian Luo, Zahra Yamani, Yanchao Chen +7
We use inelastic neutron scattering to systematically investigate the Ni-doping evolution of the low-energy spin excitations in BaFe2-xNixAs2 spanning from underdoped antiferromagn…
Phase Diagram of Ba1-xKxFe2As2
Sevda Avci, Omar Chmaissem, Duck-Young Chung +10
We report the results of a systematic investigation of the phase diagram of the iron-based superconductor, Ba1-xKxFe2As2, from x = 0 to x = 1.0 using high resolution neutron and x-…
Comparative study of the centrosymmetric and non-centrosymmetric superconducting phases of Re3W using muon-spin spectroscopy and heat capacity measurements
P. K. Biswas, A. D. Hillier, M. R. Lees +1
We compare the low-temperature electronic properties of the centrosymmetric (CS) and non-centrosymmetric (NCS) phases of Re3W using muon-spin spectroscopy and heat capacity measure…