Considering the need for designing better batteries to meet the rapidly growing demand for
large-scale energy storage applications, an aspect of primary importance for battery …

We study electronic instabilities of a kagome metal with a Fermi energy close to saddle
points at the hexagonal Brillouin zone face centers. Using parquet renormalization group …

Most P2-type layered oxides exhibit Na+/vacancy-ordered superstructures because of
strong Na+–Na+ interaction in the alkali metal layer and charge ordering in the transition …

Complex cobalt oxides known as cobaltites are reviewed, including LnCoO 3-based
perovskite-structured rare-earth cobaltites (where Ln is lanthanum or a lanthanide), quasi …

The discovery of high-temperature superconductivity in a layered iron arsenide has led to an
intensive search to optimize the superconducting properties of iron-based superconductors …

Three layered compounds, Li [Ni1/2Mn1/2] O2 (x= 1/2), Li [Li1/9Ni1/3Mn5/9] O2 (x= 1/3), and
Li2MnO3 (x= 0) of the Li [Ni x Li1/3-2 x/3Mn2/3-x/3] O2 series were studied by electron …

The four compounds Na2M2TeO6 (M2+= Ni, Co, Zn, Mg) have been prepared by solid-state
reactions in air at 600− 820° C and characterized by powder X-ray diffraction, redox titration …

The ambient temperature crystal structures of compounds in the Na x Co O 2 family, for
0.34< x⩽ 1.0, determined by powder neutron diffraction, are reported. The structures consist …

The synthesis, structure, and basic magnetic properties of Na2Co2TeO6 and Na3Co2SbO6
are reported. The crystal structures were determined by neutron powder diffraction …

Specific heat measurements on Na 0.5 CoO 2 show that the transitions observed at 87 and
53 K in the resistivity and magnetic susceptibility are accompanied by changes in entropy …