Biennial Report 2005-2007 - Saha Institute of Nuclear Physics

122 Biennial Report 2005-07' (emu/mol)12108642 Ca 2Fe 0.9Co 0.1MoO 600 100 200 300Temperature (K)0.30.20.10.0'' (emu/mol)Fig.4.1.1.34: Temperature dependence of χ ′ (T) and χ ′′ (T) for Ca 2 Fe 0.9 Co 0.1 MoO 6 at 1,10, 100 & 1000Hz. Arrows denote increasing direction of frequencyincreasing Co concentration, while reentrant spin glass transition temperatures increase.Chandan Mazumdar, Asok PoddarECMP4.1.1.35 Study of crystalline electric field levels in Pr 1−x Y x Ni 2 B 2 CPrNi 2 B 2 C exhibit magnetic ground state at low temperatures. However, it was reported earlierFig.4.1.1.35: Inelastic neutron scattering spectrum of PrNi 2 B 2 C at 2K: a colour map ofthe neutron intensity vs. energy and momentum transfer