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Related papers: Rotation of C60 in a single-molecule contact

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A comprehensive analysis of the elementary processes behind the scanning tunneling microscope controlled rotation of C$_2$H$_2$ and C$_2$D$_2$, isotopologues of a single acetylene molecule adsorbed on the Cu(001) surface is given, with a…

Mesoscale and Nanoscale Physics · Physics 2014-04-22 Yulia E. Shchadilova , Sergei G. Tikhodeev , Magnus Paulsson , Hiromu Ueba

We present an experimental and theoretical study of a magnetic single-molecule transistor based on N@C60 connected to gold electrodes. Particular attention is paid to the regime of intermediate molecule-lead coupling, where cotunneling…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Nicolas Roch , Romain Vincent , Florian Elste , Wolfgang Harneit , Wolfgang Wernsdorfer , Carsten Timm , Franck Balestro

The interaction between vortex beam (VB) and molecule has drawn much attention in recent years, but the lack of theoretical method somehow limits its further analysis, especially when the molecular rotational degree of freedom is involved…

Optics · Physics 2021-05-04 Guanming Lao

Following excitation by a strong ultra-short laser pulse, molecules develop coordinated rotational motion, exhibiting transient alignment along the direction of the laser electric field, followed by periodic full and fractional revivals…

Quantum Physics · Physics 2007-05-23 Sharly Fleischer , Ilya. Sh. Averbukh , Yehiam Prior

Force and conductance were simultaneously measured during the formation of Cu-C60 and C60-C60 contacts using a combined cryogenic scanning tunneling and atomic force microscope. The contact geometry was controlled with submolecular…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 Nadine Hauptmann , Fabian Mohn , Leo Gross , Gerhard Meyer , Thomas Frederiksen , Richard Berndt

The symmetrized contribution of E-type spin-rotation interaction to conversion between spin modifications of E- and A_1-types in molecules with C_{3v}-symmetry is considered. Using the high-J descending of collisional broadening for…

Chemical Physics · Physics 2009-10-31 K. I. Gus'kov

We investigate the spin- and energy dependent tunneling through a single organic molecule (CoPc) adsorbed on a ferromagnetic Fe thin film, spatially resolved by low-temperature spin-polarized scanning tunneling microscopy. Interestingly,…

Probabilities of resonant tunneling through a potential barrier are compared for a rigid molecule and an excited molecule. It is shown that the resonance spectrum is mainly governed by the transmission resonance spectrum of the rigid…

Quantum Physics · Physics 2015-06-23 P. M. Krassovitskiy , F. M. Pen'kov

Low-temperature spin-polarized scanning tunneling microscopy is employed to study spin transport across single Cobalt-Phathalocyanine molecules adsorbed on well characterized magnetic nanoleads. A spin-polarized electronic resonance is…

Materials Science · Physics 2014-09-25 C. Iacovita , M. V. Rastei , B. W. Heinrich , T. Brumme , J. Kortus , L. Limot , J. P. Bucher

The frontier orbital sequence of individual dicyanovinyl-substituted oligothiophene molecules is studied by means of scanning tunneling microscopy. On NaCl/Cu(111) the molecules are neutral and the two lowest unoccupied molecular states are…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 Ping Yu , Nemanja Kocić , Benjamin Siegert , Andrea Donarini , Jascha Repp

Precise control of spin states and spin-spin interactions in atomic-scale magnetic structures is crucial for spin-based quantum technologies. A promising architecture is molecular spin systems, which offer chemical tunability and…

Significant molecular orientation can be achieved by time-symmetric single-cycle pulses of zero area, in the THz region. We show that in spite of the existence of a combined time-space symmetry operation, not only large peak instantaneous…

Chemical Physics · Physics 2012-10-22 Juan Ortigoso

We study a magnetic molecule that exhibits spin tunneling and is free to rotate about its anisotropy axis. Exact low-energy eigenstates of the molecule that are superpositions of spin and rotational states are obtained. We show that…

Mesoscale and Nanoscale Physics · Physics 2011-03-16 E. M. Chudnovsky , D. A. Garanin

Both the translational diffusion coefficient $D$ and the electrophoretic mobility $\mu$ of a short rod-like molecule (such as dsDNA) that is being pulled towards a nanopore by an electric field should depend on its orientation. Since a…

Biological Physics · Physics 2020-06-25 Le Qiao , Gary W. Slater

Controlling electronic transport through a single-molecule junction is crucial for molecular electronics or spintronics. In magnetic molecular devices, the spin degree-of-freedom can be used to this end since the magnetic properties of the…

We have observed distinct temperature-dependent magnetization reversal modes in a perpendicular (Co/Pd)4/Co/Cu/(Co/Ni)4/Co pseudo-spin-valve, which are correlated with spin-transport properties. At 300 K, magnetization reversal occurs by…

Materials Science · Physics 2013-07-12 J. E. Davies , D. A. Gilbert , S. M. Mohseni , R. K. Dumas , J. Åkerman , Kai Liu

We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferromagnetic and antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 Haiqing Xie , Qiang Wang , Bo Chang , Hujun Jiao , J. -Q. Liang

We have developed a general approach for the calculation of the single molecule polarization correlation function C(t), which delivers a correlation of the emission dichroisms at time 0 and t. The approach is model independent and valid for…

Chemical Physics · Physics 2007-05-23 M. F. Gelin , D. S. Kosov

Molecules with C_N or C_Nh symmetry can absorb quanta of optical angular momentum to generate twisted excitons with well-defined quasi-angular momenta of their own. Angular momentum is conserved in such interactions at the level of a…

Atomic and Molecular Clusters · Physics 2017-08-02 Xiaoning Zang , Mark T. Lusk

Spin reversal in magnetic nanomolecules and nanoclusters is considered. A method is suggested allowing, from one side, to keep for long time magnetic polarization in a metastable state and, from the other side, for starting the reversal…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 V. I. Yukalov , E. P. Yukalova
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