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6 papers
Experimental and theoretical demonstration of negative magnetization induced by particle size reduction in nano-form GdCaMnO
Papri Dasgupta, Sanjukta Paul, S. Kumar +2
We report a pervasive phenomenon of gradual emergence of negative magnetization in typical MnO orthorhombic perovskite manganites in nano form (with being…
Instability and evolution of the magnetic ground state in metallic perovskites GdRhCB
Abhishek Pandey, A. K. Singh, Shovan Dan +7
We report investigations of the structural, magnetic, electrical transport and thermal properties of five compositions of the metallic perovskite GdRhCB ($0.00 \le…
Physical properties of RIr3 (R = Gd, Tb, Ho) compounds with coexisting polymorphic phases
Binita Mondal, Shovan Dan, Sudipta Mondal +3
The binary compounds GdIr3, TbIr3 and HoIr3 are synthesized successfully and found to form in macroscopic co-existence of two polymorphic phases: C15b and AuCu3-type. The dc magnet…
Ferromagnetically correlated clusters in semi-metallic Ru2NbAl Heusler alloy
Sanchayita Mondal, Chandan Mazumdar, R. Ranganathan +4
In this work, we report the structural, magnetic and electrical and thermal transport properties of the Heusler-type alloy Ru2NbAl. From the detailed analysis of magnetization data…
Evidence of structural phase transition in superconducting SmFeAsO_(1-x)F_x from 19^F NMR
M. Majumder, K. Ghoshray, C. Mazumdar +4
We report the resistivity, magnetization and 19^F NMR results in polycrystalline sample of SmFeAsO_(0.86)F_(0.14). The resistivity and the magnetization data show a sharp drop at 4…
Metal-insulator Crossover Behavior at the Surface of NiS_2
D. D. Sarma, S. R. Krishnakumar, E. Weschke +8
We have performed a detailed high-resolution electron spectroscopic investigation of NiS and related Se-substituted compounds NiSSe, which are known to be gapped in…