50 citations · 147 across the 4 of their papers we have counts for
8 papers
Competing Magnetic Fluctuations in Iron Pnictide Superconductors: Role of Ferromagnetic Spin Correlations Revealed by NMR
P. Wiecki, B. Roy, D. C. Johnston +3
In the iron pnictide superconductors, theoretical calculations have consistently shown enhancements of the static magnetic susceptibility at both the stripe-type antiferromagnetic…
Antiferromagnetic spin correlations and pseudogap-like behavior in Ca(Fe1-xCox)2As2 studied by 75As nuclear magnetic resonance and anisotropic resistivity
J. Cui, B. Roy, M. A. Tanatar +5
We report As nuclear magnetic resonance (NMR) measurements of single-crystalline Ca(FeCo)As ( = 0.023, 0.028, 0.033, and 0.059) annealed at 350~$^{\ci…
Antiferromagnetism of ZnVO(PO and the dilution with Ti
A. Yogi, N. Ahmed, R. Nath +6
We report static and dynamic properties of the antiferromagnetic compound Zn(VO)(PO), and the consequences of non-magnetic Ti doping at the V site.…
Magnetic transitions in the spin S=5/2 frustrated magnet BiMn2PO6 and strong lattice softening in BiMn2PO6 and BiZn2PO6 below 200 K
R. Nath, K. M. Ranjith, B. Roy +3
The crystallographic, magnetic and thermal properties of BiMn2PO6 and BiZn2PO6 were investigated by x-ray diffraction, magnetic susceptibility χ, heat capacity Cp, and 31P NMR meas…
The suppression of electron correlations in the collapsed tetragonal phase of CaFe2As2 under ambient pressure demonstrated by 75As NMR-NQR measurements
Y. Furukawa, B. Roy, S. Ran +2
The static and the dynamic spin correlations in the low temperature collapsed tetragonal and the high temperature tetragonal phase in CaFe2As2 have been investigated by 75As nuclea…
Experimental evidence of a collinear antiferromagnetic ordering in the frustrated CoAl2O4 spinel
B. Roy, Abhishek Pandey, Q. Zhang +4
Nuclear magnetic resonance (NMR), neutron diffaction (ND), x-ray diffraction, magnetic susceptibility and specific heat measurements on the frustrated A-site spinel CoAl2O4 compoun…