Current-induced mechanical torque in chiral molecular rotors

• Richard Korytár and
• Ferdinand Evers

Beilstein J. Nanotechnol. 2023, 14, 711–721, doi:10.3762/bjnano.14.57

• of freedom, assuming that the quantization levels of the rotational motion fall below the working temperature. Rotation only happens via inelastic electron tunneling. Importantly, each single electron scattering event must obey fundamental conservation laws. Therefore, the principles outlined in this

Optically and electrically driven nanoantennas

• Monika Fleischer,
• Dai Zhang and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2020, 11, 1542–1545, doi:10.3762/bjnano.11.136

• low-background medical imaging or nanolasers [33]. Electrically driven optical antennas emit light when a bias voltage is applied to the contacted antenna arms that are forming a tunnel junction. Inelastic electron tunneling through the gap excites gap–plasmon oscillations leading to the emission of

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

• Rouzhaji Tuerhong,
• Mauro Boero and
• Jean-Pierre Bucher

Beilstein J. Nanotechnol. 2019, 10, 1243–1250, doi:10.3762/bjnano.10.124

• 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

• thermopower measured across the single-molecule junction. Keywords: inelastic electron tunneling; molecular quantum dot; Kondo physics; single molecule; thermopower; tunnel junction; Introduction Scanning tunneling microscopy (STM) has the capability to detect the electron transport through a molecule not

• of the molecule become accessible. In this context, inelastic electron tunneling spectroscopy (IETS) based on scanning tunneling spectroscopy (STS) has proven to be a powerful technique to investigate and identify molecular objects and their interactions with the environment. The technique allows one

Low cost tips for tip-enhanced Raman spectroscopy fabricated by two-step electrochemical etching of 125 µm diameter gold wires

• Antonino Foti,
• Francesco Barreca,
• Enza Fazio,
• Cristiano D’Andrea,
• Paolo Matteini,
• Onofrio Maria Maragò and
• Pietro Giuseppe Gucciardi

Beilstein J. Nanotechnol. 2018, 9, 2718–2729, doi:10.3762/bjnano.9.254

• if excited at energies below the sp/d interband transition. Enhanced inelastic electron tunneling through the gap seems to be the origin of photon emission [52][55], leading to electronic Raman scattering (ERS) of the laser photons [53] which is at the origin of the background observed in TERS and

Directional light beams by design from electrically driven elliptical slit antennas

• Shuiyan Cao,
• Eric Le Moal,
• Quanbo Jiang,
• Aurélien Drezet,
• Serge Huant,
• Jean-Paul Hugonin,
• Gérald Dujardin and
• Elizabeth Boer-Duchemin

Beilstein J. Nanotechnol. 2018, 9, 2361–2371, doi:10.3762/bjnano.9.221

• is located at one focus of the ellipse. In this study, SPPs are generated through inelastic electron tunneling between a gold surface and the tip of a scanning tunneling microscope. Keywords: elliptical antenna; inelastic electron tunneling; optical antenna; plasmonics; scanning tunneling microscopy

• nanosource can be a nanoscale tunnel junction where the emission process relies on inelastic electron tunneling effects [20]. A central issue for miniaturized electrical light sources is the control of their emission direction, especially given that SPP excitation with electrons results in a broad power

• 200 nm gold film on glass is used as an electrical light beam microsource. Inelastic electron tunneling from the tungsten tip of an STM excites SPPs at the air-gold interface. These SPPs propagate isotropically away from the tip to the slit where they scatter into light. Excitation at (a) the center

Electromigrated electrical optical antennas for transducing electrons and photons at the nanoscale

• Arindam Dasgupta,
• Mickaël Buret,
• Nicolas Cazier,
• Marie-Maxime Mennemanteuil,
• Reinaldo Chacon,
• Kamal Hammani,
• Jean-Claude Weeber,
• Juan Arocas,
• Laurent Markey,
• Gérard Colas des Francs,
• Alexander Uskov,
• Igor Smetanin and
• Alexandre Bouhelier

Beilstein J. Nanotechnol. 2018, 9, 1964–1976, doi:10.3762/bjnano.9.187

• and for interconnecting an electronic control layer to a photonic architecture. Keywords: electromigration; Fowler–Nordheim; hot-electron emission; inelastic electron tunneling; optical antennas; transition voltage; tunnel junction; Introduction The constant evolution of information technologies

• gap (not distinguishable in the optical transmission image of Figure 5a). The electrical characteristics (Figure 5c) feature a value of = 69 μS = 0.9G0. Figure 5d shows the emission spectrum of the device taken at Vdc = 900 mV. In the framework of inelastic electron tunneling, no light should be

• the center junction is biased at 4.0 V. (g) Corresponding current-to-voltage characteristics. (h) Electroluminescent spectrum of the light-emitting device obtained at Vdc = 4 V. The emission is characteristic of inelastic electron tunneling events with hν < eVdc. The spectra are corrected for the

Electronic conduction during the formation stages of a single-molecule junction

• Atindra Nath Pal,
• Tal Klein,
• Ayelet Vilan and
• Oren Tal

Beilstein J. Nanotechnol. 2018, 9, 1471–1477, doi:10.3762/bjnano.9.138

• scenarios in which a single-molecule junction is formed. Future control over such processes may pave the way for directed formation of preferred junction structures. Keywords: break junction; electron–vibration interactions; electronic transport; inelastic electron tunneling spectroscopy; molecular

Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions

• Youngsang Kim,
• Safa G. Bahoosh,
• Dmytro Sysoiev,
• Thomas Huhn,
• Fabian Pauly and
• Elke Scheer

Beilstein J. Nanotechnol. 2017, 8, 2606–2614, doi:10.3762/bjnano.8.261

• theoretical analysis of charge transport through diarylethene-derived single-molecule devices, which are created using the mechanically controlled break-junction technique. Inelastic electron tunneling (IET) spectroscopy measurements performed at 4.2 K are compared with first-principles calculations in the

• : inelastic electron tunneling spectroscopy; molecular junction; photochromic; single molecule; Introduction Molecular junctions hold promise for the realization of novel miniaturized electronic circuits [1][2][3][4][5][6] as well as for thermoelectric energy conversion devices [7][8][9][10]. Optoelectronic

Probing the local environment of a single OPE3 molecule using inelastic tunneling electron spectroscopy

• Riccardo Frisenda,
• Mickael L. Perrin and
• Herre S. J. van der Zant

Beilstein J. Nanotechnol. 2015, 6, 2477–2484, doi:10.3762/bjnano.6.257

• transport [16][17], and inelastic electron tunneling spectroscopy (IETS) [12][13][18][19][20][21], of which the latter is the most popular. Figure 1a schematically depicts the IETS process, where the metallic electrodes are represented as Fermi distributions. In between these electrodes a molecule resides

• Riccardo Frisenda Mickael L. Perrin Herre S. J. van der Zant Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, Netherlands 10.3762/bjnano.6.257 Abstract We study single-molecule oligo(phenylene ethynylene)dithiol junctions by means of inelastic electron

• fluctuations caused by different molecular configurations. Our findings provide a way to gain additional information regarding the molecule–electrode interaction, in particular, the interesting interplay between molecular conformation, vibrations and charge transport. (a) Schematic of the inelastic electron

Large-voltage behavior of charge transport characteristics in nanosystems with weak electron–vibration coupling

• Tomáš Novotný and
• Wolfgang Belzig

Beilstein J. Nanotechnol. 2015, 6, 1853–1859, doi:10.3762/bjnano.6.188

• ; molecular electronics; Introduction The study of inelastic effects in transport through nanostructures, in particular in molecules [1][2][3] or atomic wires [4][5] has been an active field of research in past decade. The well-established inelastic electron tunneling spectroscopy (IETS) concept [6] has been

Superluminescence from an optically pumped molecular tunneling junction by injection of plasmon induced hot electrons

• Kai Braun,
• Xiao Wang,
• Andreas M. Kern,
• Hilmar Adler,
• Heiko Peisert,
• Thomas Chassé,
• Dai Zhang and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2015, 6, 1100–1106, doi:10.3762/bjnano.6.111

• resolution [3]. For pure metal surfaces [4][5] or organic monolayers adsorbed directly on a metal surface [6], the emission of light originates predominantly from the radiative decay of localized surface plasmons (LSP) excited by inelastic electron tunneling (IET) as the direct luminescence of the molecules