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Related papers: Anchoring molecular rotors by on-surface synthesis

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A key to building functional devices on the basis of single molecule magnets in the framework of molecular electronics is the ability to deposit and study these molecules on a surface, because the structural, electronic and magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-26 Judith Donner , Jan-Philipp Broschinski , Bastian Feldscher , Anja Stammler , Hartmut Bögge , Thorsten Glaser , Daniel Wegner

Many types of molecular motors have been proposed and synthesized in recent years, displaying different kinds of motion, and fueled by different driving forces such as light, heat, or chemical reactions. We propose a new type of molecular…

Mesoscale and Nanoscale Physics · Physics 2010-11-24 Johannes S. Seldenthuis , Ferry Prins , Joseph M. Thijssen , Herre S. J. van der Zant

Torque is ubiquitous in many molecular systems, including collisions, chemical reactions, vibrations, electronic excitations and especially rotor molecules. We present a straightforward theoretical method based on forces acting on atoms and…

Chemical Physics · Physics 2016-11-23 Rui-Qin Zhang , Yan-Ling Zhao , Fei Qi , Klaus Hermann , Michel A. Van Hove

The anchoring of the molecule to an electrode is known to be a key factor in single-molecule spintronics experiments. Likewise, a relaxation down to the most stable geometry is a critical step in theoretical simulations of transport through…

Mesoscale and Nanoscale Physics · Physics 2019-06-18 Silvia Giménez-Santamarina , Salvador Cardona-Serra , Alejandro Gaita-Ariño

The ability to manipulate individual atoms and molecules using a scanning tunnelling microscope (STM) has been crucial for the development of a vast array of atomic scale devices and structures ranging from nanoscale motors and switches to…

Strongly Correlated Electrons · Physics 2021-02-03 Léonard Desvignes , Vasily S. Stolyarov , Marco Aprili , Freek Massee

While molecular machines play an increasingly significant role in nanoscience research and applications, there remains a shortage of investigations and understanding of the molecular gear (cogwheel), which is an indispensable and…

Chemical Physics · Physics 2018-02-07 Rundong Zhao , Yan-Ling Zhao , Fei Qi , Klaus Hermann , Rui-Qin Zhang , Michel A. Van Hove

Depending on its adsorption conformation on the Au(111) surface, a zwitterionic single-molecule machine works in two different ways under bias voltage pulses. It is a unidirectional rotor while anchored on the surface. It is a fast-drivable…

Chemical Physics · Physics 2023-05-12 K. H. Au-Yeung , S. Sarkar , T. Kühne , O. Aiboudi , D. A. Ryndyk , R. Robles , N. Lorente , F. Lissel , C. Joachim , F. Moresco

Many applications of molecular layers deposited on metal surfaces, ranging from single-atom catalysis to on-surface magnetochemistry and biosensing, rely on the use of thermal cycles to regenerate the pristine properties of the system.…

The rotation of trapped molecules offers a promising platform for quantum technologies and quantum information processing. In parallel, quantum error correction codes that can protect quantum information encoded in rotational states of a…

Artificial magnetic molecules can contribute to progressing towards large scale quantum computation by: a) integrating multiple quantum resources and b) reducing the computational costs of some applications. Chemical design, guided by…

Quantum Physics · Physics 2021-06-30 S. Carretta , D. Zueco , A. Chiesa , Á. Gómez-León , F. Luis

Routinely navigating through an ever-changing and unsteady environment, and utilizing chemical energy, molecular motors transport the cell's crucial components, such as neurotransmitters and organelles. They generate force and pull cargo,…

Biological Physics · Physics 2012-09-28 Bartosz Lisowski , Michał Żabicki

It is proposed that nuclear (or electron) spins in a trapped molecule would be well isolated from the environment and the state of each spin can be measured by means of mechanical detection of magnetic resonance. Therefore molecular traps…

Quantum Physics · Physics 2007-05-23 Haiqing Wei , Xin Xue

Extremely fast rotating molecules carrying significantly more energy in their rotation than in any other degree of freedom are known as "super rotors". It has been speculated that super rotors may exhibit a number of unique properties.…

Optics · Physics 2013-06-11 Aleksey Korobenko , Alexander A. Milner , Valery Milner

A key step towards building single molecule machines is to control the rotation of molecules and nanostructures step by step on a surface. Here, we used the tunneling electrons coming from the tip of a scanning tunneling microscope to…

Mesoscale and Nanoscale Physics · Physics 2020-05-19 Frank Eisenhut , Jörg Meyer , Justus Krüger , Robin Ohmann , Gianaurelio Cuniberti , Francesca Moresco

Since its invention in 1999, optical centrifuge has become a powerful tool for controlling molecular rotation and studying molecular dynamics and molecular properties at extreme levels of rotational excitation. The technique has been…

Instrumentation and Detectors · Physics 2020-05-20 Ian MacPhail-Bartley , Walter W. Wasserman , Alexander A. Milner , V. Milner

We introduce a new scheme for controlling the sense of molecular rotation. By varying the polarization and the delay between two ultrashort laser pulses, we induce unidirectional molecular rotation, thereby forcing the molecules to rotate…

Quantum Physics · Physics 2015-05-13 Sharly Fleischer , Yuri Khodorkovsky , Yehiam Prior , Ilya Sh. Averbukh

We present a practical roadmap to achieve optical cycling and laser cooling of asymmetric top molecules (ATMs). Our theoretical analysis describes how reduced molecular symmetry, as compared to diatomic and symmetric non-linear molecules,…

Atomic Physics · Physics 2020-08-05 Benjamin L. Augenbraun , John M. Doyle , Tanya Zelevinsky , Ivan Kozyryev

In atoms spin-orbit coupling (SOC) cannot raise the angular momentum above a maximum value or lower it below a minimum. Here we show that this need not be the case in materials built from nanoscale structures including multi-nuclear…

Strongly Correlated Electrons · Physics 2017-03-15 A. L. Khosla , A. C. Jacko , J. Merino , B. J. Powell

Molecular spin clusters are mesoscopic systems whose structural and physical features can be tailored at the synthetic level. Besides, their quantum behavior is directly accessible in laboratory and their magnetic properties can be…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 F. Troiani , V. Bellini , A. Candini , G. Lorusso , M. Affronte

A class of bistable "stator-rotor" molecules is proposed, where a stationary bridge (stator) connects the two electrodes and facilitates electron transport between them. The rotor part, which has a large dipole moment, is attached to an…

Soft Condensed Matter · Physics 2009-11-07 P. E. Kornilovitch , A. M. Bratkovsky , R. S. Williams
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