Volume 111, Number 1, July 2015
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||17 July 2015|
Guided design of copper oxysulfide superconductors
Department of Physics & Astronomy, Rutgers, The State University of New Jersey - Piscataway, NJ 08854, USA
Received: 16 June 2015
Accepted: 30 June 2015
We describe a framework for designing novel materials, combining modern first-principles electronic-structure tools, materials databases, and evolutionary algorithms capable of exploring large configurational spaces. Guided by the chemical principles introduced by Antipov et al., for the design and synthesis of the Hg-based high-temperature superconductors, we apply our framework to screen 333 proposed compositions to design a new layered copper oxysulfide, Hg(CaS)2CuO2. We evaluate the prospects of superconductivity in this oxysulfide using theories based on charge-transfer energies, orbital distillation and uniaxial strain.
PACS: 74.72.Gh – Hole-doped / 81.05.Zx – New materials: theory, design, and fabrication
© EPLA, 2015
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