Tactile-Feedback Stabilized Molecular Junctions for the Measurement of Molecular Conductance

2013 ◽  
Vol 52 (9) ◽  
pp. 2449-2453 ◽  
Author(s):  
I-Wen Peter Chen ◽  
Wei-Hsiang Tseng ◽  
Mong-Wen Gu ◽  
Li-Chen Su ◽  
Chan-Hsian Hsu ◽  
...  
Keyword(s):  
Tactile Feedback ◽  
Molecular Junctions ◽  
Molecular Conductance

Tactile-Feedback Stabilized Molecular Junctions for the Measurement of Molecular Conductance

2013 ◽  
Vol 125 (9) ◽  
pp. 2509-2513 ◽  
Author(s):  
I-Wen Peter Chen ◽  
Wei-Hsiang Tseng ◽  
Mong-Wen Gu ◽  
Li-Chen Su ◽  
Chan-Hsian Hsu ◽  
...  
Keyword(s):  
Tactile Feedback ◽  
Molecular Junctions ◽  
Molecular Conductance

Impact of junction formation processes on single molecular conductance

2018 ◽  
Vol 20 (12) ◽  
pp. 7947-7952 ◽  
Author(s):  
Y. Isshiki ◽  
S. Fujii ◽  
T. Nishino ◽  
M. Kiguchi
Keyword(s):  
Atomic Structure ◽  
Molecular Junctions ◽  
Formation Processes ◽  
Electric Conductance ◽  
Junction Formation ◽  
Molecular Conductance

We have investigated the electric conductance and atomic structure of single molecular junctions of pyrazine (Py), 4,4′-bipyridine (BiPy), fullerene (C60), and 1,4-diaminobutane (DAB).

Molecular design of electron transport with orbital rule: toward conductance-decay free molecular junctions

2015 ◽  
Vol 17 (48) ◽  
pp. 32099-32110 ◽  
Author(s):  
Tomofumi Tada ◽  
Kazunari Yoshizawa
Keyword(s):  
Electron Transport ◽  
Molecular Design ◽  
Molecular Junctions ◽  
Frontier Orbitals ◽  
Molecular Conductance

In this study, we report our viewpoint of single molecular conductance in terms of frontier orbitals.

scholarly journals Controlling Quantum Interference by Regulating Charge on the Bridging N Atom of Pyrrolodipyridine Molecular Junctions

2019 ◽  
Author(s):  
Saman Naghibi ◽  
Ali K. Ismael ◽  
Andrea Vezzoli ◽  
Mohsin K. Al-Khaykanee ◽  
Xijia Zheng ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Molecular Wires ◽  
Molecular Junctions ◽  
Scanning Probe ◽  
Molecular Wire ◽  
Interference Effects ◽  
Electronic Density ◽  
Molecular Conductance

<b>Control of quantum interference features</b>: molecular junctions incorporating pyrrolodipyridine-based molecular wires were fabricated by scanning probe methods. Quantum interference effects were introduced by employing <i>meta</i>-connected molecules, and modulated in magnitude by changing the substituent on the pyrrolic N. Dramatic changes in molecular conductance and DFT transport calculations demonstrate the storng effect that small changes in electronic density can have on the overall conductance of a molecular wire.

scholarly journals Controlling Quantum Interference by Regulating Charge on the Bridging N Atom of Pyrrolodipyridine Molecular Junctions

2019 ◽  
Author(s):  
Saman Naghibi ◽  
Ali K. Ismael ◽  
Andrea Vezzoli ◽  
Mohsin K. Al-Khaykanee ◽  
Xijia Zheng ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Molecular Wires ◽  
Molecular Junctions ◽  
Scanning Probe ◽  
Molecular Wire ◽  
Interference Effects ◽  
Electronic Density ◽  
Molecular Conductance

<b>Control of quantum interference features</b>: molecular junctions incorporating pyrrolodipyridine-based molecular wires were fabricated by scanning probe methods. Quantum interference effects were introduced by employing <i>meta</i>-connected molecules, and modulated in magnitude by changing the substituent on the pyrrolic N. Dramatic changes in molecular conductance and DFT transport calculations demonstrate the storng effect that small changes in electronic density can have on the overall conductance of a molecular wire.

scholarly journals The Orbital Selection Rule for Molecular Conductance as Manifested in Tetraphenyl-Based Molecular Junctions

2017 ◽  
Vol 139 (8) ◽  
pp. 2989-2993 ◽  
Author(s):  
Marius Bürkle ◽  
Limin Xiang ◽  
Guangfeng Li ◽  
Ali Rostamian ◽  
Thomas Hines ◽  
...  
Keyword(s):  
Selection Rule ◽  
Molecular Junctions ◽  
Molecular Conductance

Human Cerebral Potentials During Motor Training Under Different Forms of Sensory Feedback

1999 ◽  
Vol 13 (4) ◽  
pp. 234-244
Author(s):  
Uwe Niederberger ◽  
Wolf-Dieter Gerber
Keyword(s):  
Healthy Subjects ◽  
Sensory Feedback ◽  
Motor Task ◽  
Tactile Feedback ◽  
Proprioceptive Feedback ◽  
Motor Training ◽  
Feedback Group ◽  
Emg Feedback ◽  
The Right ◽  
Training Success

Abstract In two experiments with four and two groups of healthy subjects, a novel motor task, the voluntary abduction of the right big toe, was trained. This task cannot usually be performed without training and is therefore ideal for the study of elementary motor learning. A systematic variation of proprioceptive, tactile, visual, and EMG feedback was used. In addition to peripheral measurements such as the voluntary range of motion and EMG output during training, a three-channel EEG was recorded over Cz, C3, and C4. The movement-related brain potential during distinct periods of the training was analyzed as a central nervous parameter of the ongoing learning process. In experiment I, we randomized four groups of 12 subjects each (group P: proprioceptive feedback; group PT: proprioceptive and tactile feedback; group PTV: proprioceptive, tactile, and visual feedback; group PTEMG: proprioceptive, tactile, and EMG feedback). Best training results were reported from the PTEMG and PTV groups. The movement-preceding cortical activity, in the form of the amplitude of the readiness potential at the time of EMG onset, was greatest in these two groups. Results of experiment II revealed a similar effect, with a greater training success and a higher electrocortical activation under additional EMG feedback compared to proprioceptive feedback alone. Sensory EMG feedback as evaluated by peripheral and central nervous measurements appears to be useful in motor training and neuromuscular re-education.

A touch screen interface design with tactile feedback for practical applications

2013 ◽  
Vol 3 (1) ◽  
pp. 8 ◽  
Author(s):  
Hiroaki Nishino ◽  
Ryotaro Goto ◽  
Yuki Fukakusa ◽  
Jiaqing Lin ◽  
Tsuneo Kagawa ◽  
...  
Keyword(s):  
Interface Design ◽  
Touch Screen ◽  
Tactile Feedback ◽  
Practical Applications

scholarly journals Changes in Sensorimotor Cortical Activation in Children Using Prostheses and Prosthetic Simulators

2021 ◽  
Vol 11 (8) ◽  
pp. 991
Author(s):  
Christopher Copeland ◽  
Mukul Mukherjee ◽  
Yingying Wang ◽  
Kaitlin Fraser ◽  
Jorge M. Zuniga
Keyword(s):  
Near Infrared ◽  
Primary Motor Cortex ◽  
Tactile Feedback ◽  
Cortical Activation ◽  
Typically Developing ◽  
Neural Responses ◽  
Motor Tasks ◽  
Functional Near Infrared Spectroscopy ◽  
Limb Reduction ◽  
Motor Dexterity

This study aimed to examine the neural responses of children using prostheses and prosthetic simulators to better elucidate the emulation abilities of the simulators. We utilized functional near-infrared spectroscopy (fNIRS) to evaluate the neural response in five children with a congenital upper limb reduction (ULR) using a body-powered prosthesis to complete a 60 s gross motor dexterity task. The ULR group was matched with five typically developing children (TD) using their non-preferred hand and a prosthetic simulator on the same hand. The ULR group had lower activation within the primary motor cortex (M1) and supplementary motor area (SMA) compared to the TD group, but nonsignificant differences in the primary somatosensory area (S1). Compared to using their non-preferred hand, the TD group exhibited significantly higher action in S1 when using the simulator, but nonsignificant differences in M1 and SMA. The non-significant differences in S1 activation between groups and the increased activation evoked by the simulator’s use may suggest rapid changes in feedback prioritization during tool use. We suggest that prosthetic simulators may elicit increased reliance on proprioceptive and tactile feedback during motor tasks. This knowledge may help to develop future prosthesis rehabilitative training or the improvement of tool-based skills.

scholarly journals Conductance Switching of Azobenzene-Based Self-Assembled Monolayers on Cobalt Probed by UHV Conductive-AFM.

Nanoscale ◽  
2021 ◽  
Author(s):  
Louis Thomas ◽  
Imane Arbouch ◽  
David Guérin ◽  
Xavier Wallart ◽  
Colin van Dyck ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Covalent Bond ◽  
Molecular Junctions ◽  
Self Assembled Monolayers ◽  
Conductive Afm ◽  
Conductance Switching ◽  
Assembled Monolayers ◽  
Self Assembled

We report the formation of self-assembled monolayers of a molecular photoswitch (azobenzene-bithiophene derivative, AzBT) on cobalt via a thiol covalent bond. We study the electrical properties of the molecular junctions...

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