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4 papers · 2 filters
Quantum Phase Transition from a Spin-liquid State to a Spin-glass State in the Quasi-1D Spin-1 System Sr1-xCaxNi2V2O8
A. K. Bera, S. M. Yusuf
We report a quantum phase transition from a spin-liquid state to a spin-glass state in the quasi-one dimensional (1D) spin-1 system Sr1-xCaxNi2V2O8, induced by a small amount of Ca…
119Sn solid state NMR and Mössbauer spectroscopic studies of the intermediate-valent stannide CeRuSn
F. M. Schappacher, P. Khuntia, A. K. Rajarajan +5
The ternary stannide CeRuSn is a static mixed-valent cerium compound with an or-dering of trivalent and intermediate-valent cerium on two distinct crystallographic sites. 119Sn Mös…
Effect of electron doping on the magnetic correlations in the bilayered brownmillerite compound Ca_{2.5-x}La_{x}Sr_{0.5}GaMn_{2}O_{8}: a neutron diffraction study
A. K. Bera, S. M. Yusuf, I. Mirebeau
The effect of electron doping on the magnetic properties of the Brownmillerite-type bilayered compounds has been investigated by neutron powder diffraction in La substituted Ca2.5-…
Magnetic behavior of Ba_{3}Cu_{3}Sc_{4}O_{12}
B. Koteswararao, A. V. Mahajan, F. Bert +8
The chain-like system Ba_{3}Cu_{3}Sc_4O_{12} has potentially interesting magnetic properties due to the presence of Cu^{2+} and a structure-suggested low-dimensionality. We present…