标题： 磁性三角形纳米石墨烯中的振动激发 显示英文标题

标题： Vibrational excitations in magnetic triangular nanographenes

摘要： 非弹性电子隧穿谱（IETS）是一种常用的测量技术，常用于扫描隧道谱学中，以探测各种纳米结构的激发态，例如复杂自旋系统的磁性特性。 观察到的激发态可能起源于磁性和振动，因此有必要区分这两种激发机制。 在此，我们研究了Au(111)上的自旋S = 1/2菲纳烯基自由基。 IETS测量显示出非弹性激发，而其强度的空间分布排除了任何自旋激发的可能性。 与理论模拟的比较证明了这些激发的振动起源，并使我们能够将观察到的特征分配给不同的振动模式。 显示英文摘要

摘要： Inelastic electron tunneling spectroscopy (IETS) is a powerful measurement technique often used in scanning tunneling spectroscopy to probe excited states of various nanostructures, e.g., the magnetic properties of complex spin systems. The observed excited states can be of magnetic and vibrational origin and it is therefore necessary to differentiate between these two excitation mechanisms. Here, we investigate the spin S = 1/2 phenalenyl radical on Au(111). IETS measurements feature inelastic excitations, whereas the spatial distribution of their intensity excludes any spin excitations. Comparison to theoretical simulations proves the vibrational origin of those excitations and allows us to assign the observed features to distinct vibrational modes.