نتایج جستجو برای: la2cuo4
تعداد نتایج: 181 فیلتر نتایج به سال:
We investigate the phonon thermal conductivity κph of doped La2CuO4 based on out-of-plane thermal conductivity measurements. When room temperature is approached the temperature dependence of κph strongly deviates from the T -decrease which is usually expected for heat transport by acoustic phonons. Instead, κph decreases much weaker or even increases with rising temperature. Simple arguments su...
In this work, the high entropy oxide A2CuO4 Ruddlesden-Popper (La0.2Pr0.2Nd0.2Sm0.2Eu0.2)2CuO4 is explored by charge doping with Ce+4 and Sr+2 at concentrations known to induce superconductivity in simple parent compounds, Nd2CuO4 La2CuO4. Electron doped (La0.185Pr0.185Nd0.185Sm0.185Eu0.185Ce0.075)2CuO4 hole (La0.18Pr0.18Nd0.18Sm0.18Eu0.18Sr0.1)2CuO4 are synthesized shown be single crystal, epi...
Spin correlations in the paramagnetic phase of La(2)CuO(4) have been studied using polarized neutron scattering, with two important results. First, the temperature dependence of the characteristic energy scale of the fluctuations and the amplitude of the neutron structure factor are shown to be in quantitative agreement with the predictions of the quantum nonlinear sigma model. Second, a compar...
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