English
Related papers

Related papers: Molecular Pseudorotation in Phthalocyanines as a T…

200 papers

The capability to excite, probe, and manipulate vibrational modes is essential for understanding and controlling chemical reactions at the molecular level. Recent advancements in tip-enhanced Raman spectroscopies have enabled the probing of…

Chirality in organic molecules has attracted considerable attention in the fields of chemistry, biology, and spintronics. This paper reports on perpendicular magnetization hysteresis loops of a multilayer consisting of ultrathin Fe (001),…

Two-dimensional (2D) ferroelectric materials provide a promising platform for the electrical control of quantum states. In particular, due to their 2D nature, they are suitable for influencing the quantum states of deposited molecules via…

We present a theoretical study of the magnetic properties of dicyclopentadienyl metallocene and phthalocyanine molecules, that contain the transition metal atoms M = Fe, Co, Ni, Cu, Zn, Ir, Pt and Au. Our most important prediction is that…

Materials Science · Physics 2011-04-26 Diego Carrascal , Lucas Fernandez-Seivane , Jaime Ferrer

Local energy extrema of the bands in momentum space, or valleys, can endow electrons in solids with pseudo-spin in addition to real spin. In transition metal dichalcogenides this valley pseudo-spin, like real spin, is associated with a…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Grant Aivazian , Zhirui Gong , Aaron M Jones , Rui-Lin Chu , Jiaqiang Yan , David G Mandrus , Chuanwei Zhang , David Cobden , Wang Yao , Xiaodong Xu

Molecular spintronics hinges on the detailed understanding of electronic and magnetic properties of molecules interfaced with various materials. Here we demonstrate with ab-initio simulations that the prototypical Co-phthalocyanine (CoPc)…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 Ana M. Montero , Filipe S. M. Guimarães , Samir Lounis

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

We analyze two simple model planar molecules: an ionic molecule with D3 symmetry and a covalent molecule with D6 symmetry. Both symmetries allow the existence of chiral molecular orbitals and normal modes that are coupled to each other in a…

Mesoscale and Nanoscale Physics · Physics 2025-11-05 Ivan Pasqua , Gregorio Staffieri , Michele Fabrizio

Transition-metal phthalocyanine molecules have attracted considerable interest in the context of spintronics device development due to their amenability to diverse bonding regimes and their intrinsic magnetism. The latter is highly…

Strongly Correlated Electrons · Physics 2024-12-19 Sumanta Bhandary , Emiliano Poli , Gilberto Teobaldi , David D. O'Regan

The relationship between magnetization and light has been the subject of intensive research for the past century, focusing on the impact of magnetic moments on light polarization. Conversely, the manipulation of magnetism through polarized…

Molecules with unpaired spins (radicals) offer promising alternatives to closed-shell molecules as they are less limited regarding the spin statistics in their electroluminescence. Here, we combine scanning tunneling microscopy induced…

Mesoscale and Nanoscale Physics · Physics 2026-02-09 Vibhuti N. Rai , Christof Holzer , Carsten Rockstuhl , Wulf Wulfhekel , Lukas Gerhard

We present an efficient method of calculating the vibrational spectrum of a magnetic molecule adsorbed on a superconductor, directly related to the first derivative of the tunneling $IV$ curve. The work is motivated by a recent…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Athanasios Koliogiorgos , Richard Korytár

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

The design and fabrication of materials that exhibit both semiconducting and magnetic properties for spintronics and quantum computing has proven difficult. Important starting points are high-purity thin films as well as fundamental…

The optical properties of some nanomaterials can be controlled by an external magnetic field, providing active functionalities for a wide range of applications, from single-molecule sensing to nanoscale nonreciprocal optical isolation.…

Molecular spintronics is made possible by the coupling between electronic configuration and magnetic po- larization of the molecules. For control and application of the individual molecular states it is necessary to both read and write…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 T. Saygun , J. Bylin , H. Hammar , J. Fransson

The magnetic and electronic properties of metal phthalocyanines (MPc) and fluorinated metal phthalocyanines (F$_{16}$MPc) are studied by means of spin density functional theory (SDFT). Several metals (M) such as Ca, all first d-row…

Materials Science · Physics 2013-04-22 O. I. Arillo-Flores , M. M. Fadlallah , C. Schuster , U. Eckern , A. H. Romero

Molecular rotation spectra, generated by the coupling of the molecular electric-dipole moments to an external time-dependent electric field, are discussed in a few particular conditions which can be of some experimental interest. First, the…

Other Condensed Matter · Physics 2015-12-15 M. Apostol , L. C. Cune

Rotation of the plane of the polarization of light in the presence of a magnetic-field, known as the Faraday rotation, is a consequence of the electromagnetic nature of light and has been utilized in many optical devices. Current efforts…

Optics · Physics 2020-03-31 Vasileios Balos , Genaro Bierhance , Martin Wolf , Mohsen Sajadi

Depositing magnetic insulators on graphene has been a promising route to introduce magnetism via exchange proximity interaction in graphene for future spintronics applications. Molecule-based magnets may offer unique opportunities because…

Mesoscale and Nanoscale Physics · Physics 2021-09-28 Haiyang Pan , Xiaobo Wang , Qiaoming Wang , Xiaohua Wu , Chang Liu , Nian Lin , Yue Zhao
‹ Prev 1 2 3 10 Next ›