中文

通过单分子接触的可控解理实现近藤效应

强关联电子 2024-02-05 v2 材料科学

摘要

我们报道了对分子线的电导测量,该分子线通过外延分子-金属键与扫描隧道显微镜的针尖接触。针尖的受控回缩逐渐使分子与金属衬底去杂化。这将该分子线调谐到近藤区间,在此区间内,重整化的分子输运轨道在半填充时充当自旋杂质,近藤共振开辟了额外的输运通道。数值重整化群模拟表明,这种行为对于一类常见的金属-分子键具有普适性。这些结果展示了一种具有原子尺度接触控制的新型单分子实验方法,并为通过单分子结的多体输运的从头算模拟铺平了道路。

关键词

引用

@article{arxiv.cond-mat/0612036,
  title  = {Kondo effect by controlled cleavage of a single molecule contact},
  author = {R. Temirov and A. C. Lassise and F. Anders and F. S. Tautz},
  journal= {arXiv preprint arXiv:cond-mat/0612036},
  year   = {2024}
}

备注

Main text: 41 pages including references and captions, 9 figures. Supplementary information: 5 pages including 2 figures New experimental and theoretical data supporting initial claims are added. The paper has been reworked from the letter format into a longer version