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Crossing point phenomena (T* = 2.7 K) in specific heat curves of superconducting ferromagnets RuSr2Gd1.4Ce0.6Cu2O10-δ
Anuj Kumar, R. P. Tandon, Jianli Wang +2
Crossing point phenomena are one of the interesting and still puzzling effects in strongly correlated electron systems. We have synthesized RuSr2Gd1.4Ce0.6Cu2O10-δ (GdRu-1222) magn…
Study of spin glass and cluster ferromagnetism in RuSr2Eu1.4Ce0.6Cu2O10-δ magneto Superconductor
Anuj Kumar, R. P. Tandon, V. P. S. Awana
We report DC magnetization, detailed systematic linear and nonlinear AC magnetic susceptibility and transport for a single phase RuSr2Eu1.4Ce0.6Cu2O10-δ (EuRu-1222) magneto-superco…
The role of Ca in superconducting and magnetic properties of Y1-xCaxBa2Cu3O7 (x = 0.0-0.30)
N. P. Liyanawaduge, Anuj Kumar, Shiva Kumar +2
We report the structural, superconducting, magnetic and granular properties of Y1-xCaxBa2Cu3O7; x = 0.0, 0.1, 0.2 and 0.3. Rietveld fitted X-ray diffraction data confirms the singl…
Physical property and electronic structure characterization of bulk superconducting Bi3Ni
Jagdish Kumar, Anuj Kumar, Arpita Vajpayee +5
We report the experimental and theoretical study on magnetic nature of Bi3Ni system. The structure is found to be orthorhombic (Pnma) with lattice parameters a = 8.879Å b = 4.0998Å…
Superconductivity in the vicinity of ferromagnetism in oxygen free perovskite MgCNi3: An experimental and DFT (Density Functional Theory) study
Anuj Kumar, Rajveer Jha, Shiva Kumar +4
We report synthesis, structural, magnetic, specific heat and Density Functional Theory (DFT) studies on MgCNi3 superconductor. Polycrystalline MgCNi3 samples are synthesized throug…