56 citations · 374 across the 19 of their papers we have counts for
19 papers
Electron-Induced Formation of C on Si(100) from Acetylene and Ethylene
Oliver MacLean, Marc Savoie, Damian G. Allis +12
Hydrogen Desorption Lithography on Si(100) demonstrates the ability of the Scanning Tunneling Microscope (STM) to create functional atomic-scale structures and devices. The dehydro…
Towards Atom-by-Atom Fabrication: Mechanosynthetic donation and abstraction
Brandon Blue, Mathieu Morin, Alex Inayeh +55
Enabled by inverted-mode scanning tunneling microscopy (IM-STM) and the use of functionalized molecular tools, we demonstrate positionally-controlled mechanosynthetic addition (don…
Atomically precise mechanosynthesis of carbon structures on hydrogenated Si(100) by inverted-mode STM
Megan Cowie, Chris Deimert, Ryan Groome +44
The ability to build atomically precise structures on surfaces with complete control over both atomic placement and chemical bonding remains a central challenge in nanoscale fabric…
Inverted-Mode Scanning Tunneling Microscopy for Atomically Precise Fabrication
Eduardo Barrera, Bheeshmon Thanabalasingam, Rafik Addou +57
Scanning Tunneling Microscopy (STM) enables fabrication of atomically precise structures with unique properties and growing technological potential. However, reproducible manipulat…
Molecular Tools for Non-Planar Surface Chemistry
Taleana Huff, Brandon Blue, Terry McCallum +30
Scanning probe microscopy (SPM) investigations of on-surface chemistry on passivated silicon have only shown in-plane chemical reactions, and studies on bare silicon are limited in…
Chiral high-harmonic generation and spectroscopy on solid surfaces using polarization-tailored strong fields
Tobias Heinrich, Marco Taucer, Ofer Kfir +4
Strong-field methods in solids enable new strategies for ultrafast nonlinear spectroscopy and provide all-optical insights into the electronic properties of condensed matter in rec…
Wannier quasi-classical approach to high harmonic generation in semiconductors
Andrew M. Parks, Guilmot Ernotte, Adam Thorpe +4
We develop a quasi-classical theory of high harmonic generation in semiconductors based on an interband current that has been transformed from Bloch to Wannier basis. The Wannier q…
Spin constrained orbital angular momentum control in high-harmonic generation
F. Kong, C. Zhang, H. Larocque +7
The interplay between spin and orbital angular momentum in the up-conversion process allows us to control the macroscopic wave front of high harmonics by manipulating the microscop…
A Gauge Invariant Formulation of Interband and Intraband Currents in Solids
Guilmot Ernotte, T. J. Hammond, Marco Taucer
Experiments and simulations in solid-state high harmonic generation often make use of the distinction between interband and intraband currents. These two contributions to the total…
Resolving and Tuning Carrier Capture Rates at a Single Silicon Atom Gap State
Mohammad Rashidi, Erika Lloyd, Taleana R. Huff +4
We report on tuning the carrier capture events at a single dangling bond (DB) midgap state by varying the substrate temperature, doping type, and doping concentration. All-electron…
All-Electronic Nanosecond-Resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
Mohammad Rashidi, Wyatt Vine, Jacob A. J. Burgess +5
The miniaturization of semiconductor devices to the scales where small numbers of dopants can control device properties requires the development of new techniques capable of charac…
Time-Resolved Imaging of Negative Differential Resistance on the Atomic Scale
Mohammad Rashidi, Marco Taucer, Isil Ozfidan +6
Negative differential resistance remains an attractive but elusive functionality, so far only finding niche applications. Atom scale entities have shown promising properties, but v…
New fabrication technique for highly sensitive qPlus sensor with well-defined spring constant
Hatem Labidi, Martin Kupsta, Taleana Huff +5
A new technique for the fabrication of highly sensitive qPlus sensor for atomic force microscopy (AFM) is described. Focused ion beam was used to cut then weld onto a bare quartz t…
Scanning tunneling spectroscopy reveals a silicon dangling bond charge state transition
Hatem Labidi, Marco Taucer, Mohammad Rashidi +6
We report the study of single dangling bonds (DB) on the hydrogen terminated silicon (100) surface using a low temperature scanning tunneling microscope (LT-STM). By investigating…
Silicon Atomic Quantum Dots Enable Beyond-CMOS Electronics
Robert A. Wolkow, Lucian Livadaru, Jason Pitters +5
We review our recent efforts in building atom-scale quantum-dot cellular automata circuits on a silicon surface. Our building block consists of silicon dangling bond on a H-Si(001)…
Characterizing the rate and coherence of single-electron tunneling between two dangling bonds on the surface of silicon
Zahra Shaterzadeh-Yazdi, Lucian Livadaru, Marco Taucer +4
We devise a scheme to characterize tunneling of an excess electron shared by a pair of tunnel-coupled dangling bonds on a silicon surface -- effectively a two-level system. Theoret…
Single Electron Dynamics of an Atomic Silicon Quantum Dot on the H-Si(100) 2x1 Surface
Marco Taucer, Lucian Livadaru, Paul G. Piva +4
Here we report the direct observation of single electron charging of a single atomic Dangling Bond (DB) on the H-Si(100) 2x1 surface. The tip of a scanning tunneling microscope is…
Consequences of Many-cell Correlations in Treating Clocked Quantum-dot Cellular Automata Circuits
Marco Taucer, Faizal Karim, Konrad Walus +1
Quantum-dot Cellular Automata (QCA) provides a basis for classical computation without transistors. Many simulations of QCA rely upon the so-called Intercellular Hartree Approximat…
Theory of Non-equilibrium Single Electron Dynamics in STM Imaging of Dangling Bonds on a Hydrogenated Silicon Surface
Lucian Livadaru, Jason Pitters, Marco Taucer +1
During fabrication and scanning-tunneling-microscope (STM) imaging of dangling bonds (DBs) on a hydrogenated silicon surface, we consistently observed halo-like features around iso…