Nuclear structures of one-dimensional spins chains cuprates SrCu0.99M0.01O2 with M=(Mg, Zn or Pd) and Sr0.99R0.01CuO2 with R=(K or La)
Thermal management is of major interest in the field of power electronics, especially in novel devices such as increasingly miniaturized microchips, batteries or solar panels. Single crystalline spin chain cuprates such as the pristine SrCuO2 exhibit an anisotropic thermal conductivity arising both from phonons scattering mechanisms and magnetic excitations occurring along the spin chains crystallographic direction (c-axis). A substituted, on strontium or on copper site SrCuO2 single crystals were grown successfully, giving the formulas Sr0.99R0.01CuO2 with R=(La or K) and SrCu0.99M0.01O2 with M=(Mg, Zn or Pd). Determining atomic positions in this system and comparing them to those of the pristine one, is of crucial importance as this would help us to understand the magnetic excitations scattering processes: neutron diffraction experiments could determine precisely the atomic positions of the elements in the cell and more precisely the atomic positions of the oxygen/copper atoms in the spins chains
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BOUNOUA Dalila; FABELO ROSA Oscar Ramon; PETIT Sylvain; PINSARD-GAUDART Loreynne and SAINT-MARTIN Romuald. (2016). Nuclear structures of one-dimensional spins chains cuprates SrCu0.99M0.01O2 with M=(Mg, Zn or Pd) and Sr0.99R0.01CuO2 with R=(K or La). Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-14-260
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