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分子与显微镜尖端的附着：非弹性隧穿、近藤屏蔽和热电势。

Molecular attachment to a microscope tip: inelastic tunneling, Kondo screening, and thermopower.

作者信息

Tuerhong Rouzhaji, Boero Mauro, Bucher Jean-Pierre

机构信息

Université de Strasbourg, IPCMS UMR 70504, 67034 Strasbourg, France.

出版信息

Beilstein J Nanotechnol. 2019 Jun 19;10:1243-1250. doi: 10.3762/bjnano.10.124. eCollection 2019.

DOI:10.3762/bjnano.10.124
PMID:31293862
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6604733/
Abstract

The vibrational excitation related transport properties of a manganese phthalocyanine molecule suspended between the tip of a scanning tunneling microsope (STM) and a surface are investigated by combining the local manipulation capabilities of the STM with inelastic electron tunneling spectroscopy. By attachment of the molecule to the probe tip, the intrinsic physical properties similar to those exhibited by a free standing molecule become accessible. This technique allows one to study locally the magnetic properties, as well as other elementary excitations and their mutual interaction. In particular a clear correlation is observed between the Kondo resonance and the vibrations with a strong incidence of the Kondo correlation on the thermopower measured across the single-molecule junction.

摘要

通过将扫描隧道显微镜（STM）的局部操纵能力与非弹性电子隧穿光谱相结合，研究了悬浮在扫描隧道显微镜尖端与表面之间的锰酞菁分子的振动激发相关输运性质。通过将分子附着到探针尖端，可以获得与自由分子相似的固有物理性质。该技术使人们能够局部研究磁性以及其他基本激发及其相互作用。特别是，在近藤共振与振动之间观察到明显的相关性，并且近藤相关性对跨单分子结测量的热功率有强烈影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/6669dc1c1484/Beilstein_J_Nanotechnol-10-1243-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/9c419f770542/Beilstein_J_Nanotechnol-10-1243-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/aca1b6864d4b/Beilstein_J_Nanotechnol-10-1243-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/8f7cb30eb30f/Beilstein_J_Nanotechnol-10-1243-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/6669dc1c1484/Beilstein_J_Nanotechnol-10-1243-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/9c419f770542/Beilstein_J_Nanotechnol-10-1243-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/aca1b6864d4b/Beilstein_J_Nanotechnol-10-1243-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/8f7cb30eb30f/Beilstein_J_Nanotechnol-10-1243-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42c5/6604733/6669dc1c1484/Beilstein_J_Nanotechnol-10-1243-g005.jpg

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