Hole-doped cuprate high temperature superconductors have ushered in the modern era of
high temperature superconductivity (HTS) and have continued to be at center stage in the …

The most relevant aspects of thermodynamics, preparation, crystal structure and
superconducting properties under ambient and high pressure of HgBa 2 Ca n− 1 Cu n O …

Most of the known cuprate superconductors are shown to belong structurally to a single
family and are closely related to each other. The relationships between the structures of …

Superconductivity was observed at 117 K in the Ba Ca Cu O samples synthesized at
950° C under 5.0 GPa for 1 h. The samples were multiphase. Electrical resistivity and DC …

High-pressure methods have been used to synthesize multiphase compositions in the Hg
12 {n− 1} n homologous series. The phase assemblages were examined by optical, electron …

There have been major advances in solid state and materials chemistry in the last two
decades and the subject is growing rapidly. In this account, a few of the important aspects of …

Powder neutron-diffraction profile refinement techniques have been used to investigate the
oxygen dependence of the crystal structure and its effect on the superconducting phase …

The crystal structure of the superconductor HgBa 2 Ca 4 Cu 5 O 12+ δ has been analyzed
by neutron powder diffraction at room temperature and at 10 K. The compound crystallizes …

Copper oxide superconductors possess multi-layered structures with a layer sequence of-
CuO 2-(Q-CuO 2) n-1-AO-(MO 1±) m-AO-or-CuO 2-B-(O 2-B) s-1-CuO 2-AO-(MO 1±) m-AO …

For cuprate superconductors, a high critical transition temperature (T c) can be realized in
compounds containing multiple CuO2 layers in the unit cell, while a high critical current …