English
Related papers

Related papers: Microscopic origin of molecule excitation via inel…

200 papers

In scanning tunneling microscopy induced luminescence (STML), the photon counting is measured to reflect the single-molecule properties, e.g., the first molecular excited state. The energy of the first excited state is typically determined…

Mesoscale and Nanoscale Physics · Physics 2022-11-30 Fei Wen , Guohui Dong , Hui Dong

The advent of milli-kelvin scanning tunneling microscopes (STM) with inbuilt magnetic fields has opened access to the study of magnetic phenomena with atomic resolution at surfaces. In the case of single atoms adsorbed on a surface, the…

Mesoscale and Nanoscale Physics · Physics 2012-06-19 Jean-Pierre Gauyacq , Nicolas Lorente , Frederico Dutilh Novaes

A scanning tunneling microscope (STM) can probe the inelastic spin excitations of single magnetic atoms in a surface via spin-flip assisted tunneling. A particular and intriguing case is the Mn dimer case. We show here that the existing…

Mesoscale and Nanoscale Physics · Physics 2022-08-31 F. Delgado , J. Fernández-Rossier

The scanning tunneling microscopy induced luminescence (STML) can be used to probe the optical and electronic properties of molecules. Concerning the vibronic coupling, we model the molecule as a two-level system with the vibrational…

Mesoscale and Nanoscale Physics · Physics 2023-11-09 Fei Wen , Guohui Dong

We explore theoretically the electroluminescence of single molecules. We adopt a local-electrode framework that is appropriate for scanning tunneling microscopy (STM) experiments where electroluminescence originates from individual…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 John Buker , George Kirczenow

The recent experimental conductance measurements taken on magnetic impurities on metallic surfaces, using scanning tunneling microscopy technique and suggesting occurrence of inelastic scattering processes, are theoretically addressed. We…

Mesoscale and Nanoscale Physics · Physics 2009-06-20 J. Fransson

Light sources on the scale of single molecules can be addressed and characterized on their proper sub-nanometer scale by scanning tunneling microscopy induced luminescence (STML). Such a source can be driven by defined short charge pulses…

Mesoscale and Nanoscale Physics · Physics 2021-06-15 Anna Rosławska , Pablo Merino , Christopher C. Leon , Abhishek Grewal , Markus Etzkorn , Klaus Kuhnke , Klaus Kern

We present an extension of the tunneling theory for scanning tunneling microcopy (STM) to include different types of vibrational-electronic couplings responsible for inelastic contributions to the tunnel current in the strong-coupling…

Scanning tunneling microscope induced light emission from an atomic or molecular junction has been probed from the tunneling to contact regime in recent experiments. There, the intensity of the light emission shows strong correlation with…

Mesoscale and Nanoscale Physics · Physics 2013-07-11 Jing-Tao Lü , Rasmus Bjerregaard Christensen , Mads Brandbyge

Recent advances in on-surface chemistry, combined with scanning probe microscopy, have enabled the synthesis of correlated molecules on surfaces and the characterization of their chemical and electronic properties with unprecedented spatial…

Mesoscale and Nanoscale Physics · Physics 2026-03-25 Marco Lozano , Manish Kumar , Pavel Jelinek , Diego Soler-Polo

The detection of fluorescence with submolecular resolution enables the exploration of spatially varying photon yields and vibronic properties at the single-molecule level. By placing individual polycyclic aromatic hydrocarbon molecules into…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Jörg Kröger , Benjamin Doppagne , Fabrice Scheurer , Guillaume Schull

The electroluminescence of molecules confined inside a nanocavity in the scanning tunneling microscopy possesses many intriguing but unexplained features. We present here a general theoretical approach based on the density matrix formalism…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Guangjun Tian , Jicai Liu , Yi Luo

The plasmonic tip of a scanning tunnelling microscope (STM) is functionalized with a single fluorescent molecule and is scanned on a plasmonic substrate. The tunneling current flowing through the tip-molecule-substrate junction generates a…

The molecular dark state participates in many important photon-induced processes, yet is typically beyond the optical-spectroscopic measurement due to the forbidden transition dictated by the selection rule. In this work, we propose to use…

Quantum Physics · Physics 2021-11-09 Guohui Dong , Zhubin Hu , Xiang Sun , Hui Dong

The junction of a scanning tunneling microscope (STM) operating in the tunneling regime was irradiated with femtosecond laser pulses. A photo-excited hot electron in the STM tip resonantly tunnels into an excited state of a single molecule…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Shiwei Wu , Wilson Ho

We report real space imaging measurements of inelastic Friedel oscillations. The inelastic electron tunneling spectroscopy, using scanning tunneling microscopy, around dimers of dichlorobenze adsorbates on Au(111) surface display clear…

Mesoscale and Nanoscale Physics · Physics 2011-08-17 H. Gawronski , J. Fransson , K. Morgenstern

Controlling electrically-stimulated quantum light sources (QLS) is key for developing integrated and low-scale quantum devices. The mechanisms leading to quantum emission are complex, as a large number of electronic states of the system…

Mesoscale and Nanoscale Physics · Physics 2024-02-28 Katharina Kaiser , Anna Rosławska , Michelangelo Romeo , Fabrice Scheurer , Tomáš Neuman , Guillaume Schull

Using the highly localized current of electrons tunneling through a double barrier Scanning Tunneling Microscope (STM) junction, we excite luminescence from a selected C$_{60}$ molecule in the surface layer of fullerene nanocrystals grown…

In recent years inelastic spin-flip spectroscopy using a lowtemperature scanning tunneling microscope has been a very successful tool for studying not only individual spins but also complex coupled systems. When these systems interact with…

Mesoscale and Nanoscale Physics · Physics 2015-10-21 Markus Ternes

The rates of a hindered molecular rotation induced by tunneling electrons are evaluated using scattering theory within the sudden approximation. Our approach explains the excitation of copper phthalocyanine molecules (CuPc) on Cu(111) as…

Materials Science · Physics 2013-12-30 J. Schaffert , M. C. Cottin , A. Sonntag , C. A. Bobisch , R. Moeller , J. -P. Gauyacq , N. Lorente
‹ Prev 1 2 3 10 Next ›