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Updated: May 6, 2026

Synthesis and Microdiffraction at Extreme Pressures and Temperatures
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在高压下La3Ni2O7的密度波形差距演变通过超快光学光谱学揭示了

Yanghao Meng1,2, Yi Yang1,3, Hualei Sun4

  • 1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.

Nature communications
|November 29, 2024
PubMed
概括

高压研究显示,La3Ni2O7中的密度波 (DW) 顺序被抑制,然后重新出现,为超导提供了洞察力. 这种自旋密度波 (SDW) 在压力下转化为电荷密度波 (CDW).

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Trends in Lattice Energy: Ion Size and Charge02:54

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An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
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