Comment on "Periodic hole structure in a spin-chain ladder material Sr₁₄Cu₂₄O₄₁"

Comment on "Periodic hole structure in a spin-chain ladder material Sr₁₄Cu₂₄O₄₁"
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对“自旋链梯材料Sr₁₄Cu2₄O₄₁中的周期性孔结构”的评论

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发表时间:
2003
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通讯作者:
S. Smaalen
S. Smaalen
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作者:
S. Smaalen

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Fukuda等人[B 66,012104(2002)]报道了Sr 1 4 Cu 2 4 O 4 1的X射线衍射中的超晶格反射,他们将其解释为由于CuO 2链上的电荷有序。在这里,它表明,这些额外的反射已经存在,由于在这个复合晶体中的子系统之间的相互作用,它们的存在不承担任何关系,在这个化合物中可能的电荷顺序。
Fukuda et al. [Phys. Rev. B 66, 012104 (2002)] have reported superlattice reflections in the x-ray diffraction of Sr 1 4 Cu 2 4 O 4 1 , which they interpreted as being due to charge order on the CuO 2 chains. Here it is shown that these additional reflections already are present due to the interactions between the subsystems in this composite crystal and that their presence does not bear any relation to a possible charge order in this compound.