Thesis (Ph.D.) - Leicester Polytechnic, Leicester 1983.
|Statement||David Leslie Tuncliffe.|
|Contributions||Leicester Polytechnic. School of Physics.|
Scanning tunneling spectroscopy is an experimental technique which uses a scanning tunneling microscope (STM) to probe the local density of electronic states (LDOS) and the band gap of surfaces and materials on surfaces at the atomic scale. Generally, STS involves observation of changes in constant-current topographs with tip-sample bias, local measurement of the tunneling current versus . Density functional theory simulations of the vibrational inelastic electron tunneling spectroscopy (IETS) of O2 on Ag() permits us to solve its unexplained IETS data [Hahn, Phys. Rev. Lett. 85 Author: Akitoshi Shiotari. Inelastic electron tunnelling spectroscopy junction and to detect the signal generated at the second harmonic of the modulation frequency. The modulation introduces a further instrumental broadening of V, where V, is the RMS amplitude of the alternating component of the potential difference developed across the junction at the modulation by: This is the classic hallmark of inelastic electron tunnelling spectroscopy (IETS), in which the electronic excitation of molecular vibrations opens a new tunnelling channel Cited by:
Clive Russell Werrett has written: 'Inelastic electron tunnelling spectroscopy (IETS) of silane coupling agents' Asked in Authors, Poets, and Playwrights What has the author David Lees written? The most common one, already known for more than 40 years, is the use of inelastic electron tunneling (IET) in metal-insulator-metal structures (MIMs),, where electrons transfer energy to excite an LSP mode. In the case of optical antennas with a sufficiently small gap to achieve stable tunneling, IET can excite the LSPR and thus directly. Inelastic electron tunneling spectroscopy exhibits clear vibrational modes of the molecules in the device, presenting the first direct evidence of the presence of molecules in a molecular transport device and confirming the tunneling transport mechanism in alkane self-assembled by: In x-ray spectroscopy, the high-energy electron can excite a deep core electron to unoccupied states in the outer shells. Upon de-excitation, energy is emitted as a photon in the x-ray range. As there are several routes for an electron to recombine with the deep core hole, we usually observe a series of lines corresponding to several electron.
Hot electron spectroscopy and microscopy Esaki studied the tunnelling current in biased GaAs/AlGaAs double-barrier heterostructures  and the observed maxima in the current were associated with resonant tunnelling processes. In , Esaki and Tsu  proposed the possibility of achieving a negative differential. Preface The scope of this book is to give an introduction into the physics of solid, crystalline surfaces as well as an overview over the experimental techniques used to study such. The manufacture of integrated circuits with single-molecule building blocks is a goal of molecular electronics. While research in the past has been limited to bulk experiments on self-assembled monolayers, advances in technology have now enabled us to fabricate single-molecule junctions. This has led to significant progress in understanding electron transport in molecular systems at the single Cited by: The book will be of interest to postgraduate students and established scientists involved in the fabrication, characterisation, and applications of thin film materials and devices. The invited reviews will also be of value to final year undergraduates in physics, materials science, and electronic engineering studying many areas of contemporary.