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Design and Control of Highly Conductive Single-Molecule Junctions - A Focus on the Metal-Molecule Interface (Hardcover, 1st ed. 2017) Loot Price: R3,020
Discovery Miles 30 200
Design and Control of Highly Conductive Single-Molecule Junctions - A Focus on the Metal-Molecule Interface (Hardcover, 1st ed....

Design and Control of Highly Conductive Single-Molecule Junctions - A Focus on the Metal-Molecule Interface (Hardcover, 1st ed. 2017)

Satoshi Kaneko

Series: Springer Theses

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Loot Price R3,020 Discovery Miles 30 200 | Repayment Terms: R283 pm x 12*

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This thesis describes improvements to and control of the electrical conductance in single-molecule junctions (SMJs), which have potential applications in molecular electronics, with a focus on the bonding between the metal and molecule. In order to improve the electrical conductance, the orbital of the molecule is directly bonded to the metal orbital, because anchoring groups, which were typically used in other studies to bind molecule with metal electrodes, became resistive spacers. Using this direct -binding, the author has successfully demonstrated highly conductive SMJs involving benzene, endohedral metallofullerene Ce@C82, and nitrogen. Subsequently, the author investigated control of the electrical conductance of SMJs using pyrazine. The nitrogen atom in the -conjugated system of pyrazine was expected to function as an anchoring point, and two bonding states were expected. One originates primarily from the orbital, while the other originates primarily from an n state of the nitrogen. Measurements of conductance and dI/dV spectra coupled with theoretical calculations revealed that the pyrazine SMJ has bistable conductance states, in which the pyrazine axis is either tilted or parallel with respect to the junction axis. The bistable states were switched by changing the gap size between the metal electrodes using an external force. Notably, it is difficult to change the electrical properties of bulk-state materials using mechanical force. The findings reveal that the electron transport properties of a SMJ can be controlled by designing a proper metal-molecule interface, which has considerable potential for molecular electronics. Moreover, this thesis will serve as a guideline for every step of SMJ research: design, fabrication, evaluation, and control.

General

Imprint: Springer Verlag, Singapore
Country of origin: Singapore
Series: Springer Theses
Release date: April 2017
First published: 2017
Authors: Satoshi Kaneko
Dimensions: 235 x 155 x 8mm (L x W x T)
Format: Hardcover
Pages: 84
Edition: 1st ed. 2017
ISBN-13: 978-981-10-4411-3
Categories: Books > Professional & Technical > Technology: general issues > Nanotechnology
Books > Science & Mathematics > Chemistry > Physical chemistry > General
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > General
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LSN: 981-10-4411-2
Barcode: 9789811044113

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