Solvation Effects on Quantum Tunneling Reactions.
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.2c00151
Abstract: ConspectusA decisive factor for obtaining high yields and selectivities in organic synthesis is the choice of the proper solvent. Solvent selection is often guided by the intuitive understanding of transition state-solvent interactions. However, quantum-mechanical tunneling… read more here.
Keywords: solvation effects; quantum tunneling; hydrogen; solvent ... See more keywords
Observation of Cooperative Electronic Quantum Tunneling: Increasing Accessible Nuclear States in a Molecular Qudit.
Sign Up to like & getrecommendations! Published in 2018 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.8b00823
Abstract: As an extension of two-level quantum bits (qubits), multilevel systems, so-called qu dits, where d represents the Hilbert space dimension, have been predicted to reduce the number of iterations in quantum-computation algorithms. This has been… read more here.
Keywords: observation cooperative; quantum; quantum tunneling; accessible nuclear ... See more keywords
Quantum Tunneling Effect in CsPbBr3 Multiple Quantum Wells.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c02953
Abstract: Two-dimensional (2D) lead halide perovskites (LHPs) have garnered incredible attention thanks to their exciting optoelectronic properties and intrinsic strong quantum confinement effect. Herein, we carefully investigate and decipher the charge carrier dynamics at the interface… read more here.
Keywords: quantum tunneling; effect; quantum; multiple quantum ... See more keywords
Macroscopic Quantum Tunneling in Superconducting Junctions of β-Ag2Se Topological Insulator Nanowire.
Sign Up to like & getrecommendations! Published in 2017 at "Nano letters"
DOI: 10.1021/acs.nanolett.7b03571
Abstract: We report on the fabrication and electrical transport properties of superconducting junctions made of β-Ag2Se topological insulator (TI) nanowires in contact with Al superconducting electrodes. The temperature dependence of the critical current indicates that the… read more here.
Keywords: superconducting junctions; quantum tunneling; ag2se topological; macroscopic quantum ... See more keywords
Quantum Tunneling Tautomer of N,N-Dimethyl-p-toluidine Dehydrogenates Identified by Deep-UV Laser Ionization Mass Spectroscopy
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.8b01840
Abstract: Utilizing customized deep-ultraviolet laser ionization mass spectroscopy, here we report a finding of remarkable dehydrogenation product of N,N-dimethyl-p-toluidine (DMT). The DMT dehydrogenates find comparable mass abundance with the DMT molecule ions showing decent stability at… read more here.
Keywords: laser; quantum tunneling; mass; spectroscopy ... See more keywords
Quantum Tunneling in Peroxide O-O Bond Breaking Reaction.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.3c02750
Abstract: The importance of quantum-mechanical tunneling becomes increasingly recognized in chemical reactions involving hydrogen as well as heavier atoms. Here we report concerted heavy-atom tunneling in an oxygen-oxygen bond breaking reaction from cyclic beryllium peroxide to… read more here.
Keywords: quantum tunneling; bond breaking; quantum; reaction ... See more keywords
Magnetosonic solitons in semiconductor plasmas in the presence of quantum tunneling and exchange correlation effects
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.4986828
Abstract: Low frequency magnetosonic wave excitations are investigated in semiconductor hole-electron plasmas. The quantum mechanical effects such as Fermi pressure, quantum tunneling, and exchange-correlation of holes and electrons in the presence of the magnetic field are… read more here.
Keywords: quantum; quantum tunneling; semiconductor; tunneling exchange ... See more keywords
Quantum tunneling in low-dimensional semiconductors mediated by virtual photons
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/1.5133039
Abstract: Quantum tunneling, a phenomenon that has no counterpart in classical physics, is the quantum-mechanical process by which a microscopic particle can transition through a potential barrier even when the energy of the incident particle is… read more here.
Keywords: quantum tunneling; low dimensional; virtual photons; tunneling low ... See more keywords
Activated Dissociation of H2 on Cu(001): The Role of Quantum Tunneling
Sign Up to like & getrecommendations! Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/acd2b3
Abstract: The activation and dissociation of H2 molecules on Cu(001) surface is studied theoretically. The activation barrier for the dissociation of H2 on Cu(001) is determined by first-principles calculations to be ~0.59 eV in height. Electron… read more here.
Keywords: dissociation 001; dissociation; quantum tunneling; role quantum ... See more keywords
Quantum-tunneling isotope-exchange reaction H 2 + D − → HD + H −
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.97.022705
Abstract: The tunneling reaction H 2 + D − → HD + H − was studied in a recent experimental work at low temperatures (10, 19, and 23 K) by Endres et al. [Phys. Rev. A… read more here.
Keywords: exchange reaction; quantum tunneling; tunneling isotope; reaction ... See more keywords
Unified Dynamic Approach for Simulating Quantum Tunneling and Thermionic Emission at Metal-Organic Interfaces
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.15.014021
Abstract: Injection from metallic electrodes serves as a main channel of charge generation in organic semiconducting devices and the quantum effect is normally regarded to be essential. We develop a dynamic approach based upon the surface… read more here.
Keywords: quantum tunneling; thermionic emission; injection; metal organic ... See more keywords