English
Related papers

Related papers: Control of oxidation and spin state in a single-mo…

200 papers

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

Spin properties of organic molecules have attracted great interest for their potential applications in spintronic devices and quantum computing. Fe-tetraphenyl porphyrin (FeTPP) is of particular interest for its robust magnetic properties…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 Mingjun Zhong , Qimeng Wu , Liang Ma , Jie Li , Yifan Wang , Yansong Wang , Xin Li , Yajie Zhang , Jingtao Lü , Yongfeng Wang

Electric field control of the magnetic state in ferrimagnets holds great promise for developing spintronic devices due to low power consumption. Here, we demonstrate a non-volatile reversal of perpendicular net magnetization in a…

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…

Thermally induced spin control is one of the main directions for future spin devices. In this study, we synthesized single-phase polycrystalline ErFe1-xCrxO3 and combined the magnetization curves and M\"ossbauer spectra to determine the…

Materials Science · Physics 2022-07-11 Jiyu Shen , Jiajun Mo , Zeyi Lu , Zhongjin Wu , Chenying Gong , Kaiyang Gao , Pinglu Zheng , Min Liu , Yanfang Xia

Spin-bearing molecules can be stabilized on surfaces and in junctions with desirable properties such as a net spin that can be adjusted by external stimuli. Using scanning probes, initial and final spin states can be deduced from…

Mesoscale and Nanoscale Physics · Physics 2016-12-16 Peter Jacobson , Matthias Muenks , Gennadii Laskin , Oleg O. Brovko , Valeri S. Stepanyuk , Markus Ternes , Klaus Kern

The charge state of a molecule governs its physicochemical properties, such as conformation, reactivity and aromaticity, with implications for on-surface synthesis, catalysis, photo conversion and applications in molecular electronics. On…

Mesoscale and Nanoscale Physics · Physics 2019-07-22 Shadi Fatayer , Florian Albrecht , Yunlong Zhang , Darius Urbonas , Diego Peña , Nikolaj Moll , Leo Gross

The influence of uniaxial anisotropy and the dipole interaction on the direction of the magnetization of ultra-thin ferromagnetic films in the ground-state is studied. The ground-state energy can be expressed in terms of anisotropy…

Materials Science · Physics 2009-11-07 K. D. Usadel , A. Hucht

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

We have demonstrated that ferroelectric polarization in a spin-driven multiferroic CuFe1-xGaxO2 with x = 0.035 can be controlled by the application of uniaxial pressure. Our neutron diffraction and in-situ ferroelectric polarization…

Strongly Correlated Electrons · Physics 2015-05-28 T. Nakajima , S. Mitsuda , T. Nakamura , H. Ishii , T. Haku , Y. Honma , M. Kosaka , N. Aso , Y. Uwatoko

An ab initio study of the electronic and spin configuration for the iron ion in the active center of the human hemoglobin molecule is presented. It is well known that the iron ion, being surrounded by the porphyrin ring and the ligands,…

Strongly Correlated Electrons · Physics 2019-10-14 D. Novoselov , Dm. M. Korotin , V. I. Anisimov

Individual magnetic molecules are promising building blocks for quantum technologies because of their chemical tunability, nanoscale dimensions, and ability to self-assemble into ordered arrays. However, harnessing their properties in…

Magnetism and transport are two key functional ingredients in modern electronic devices. In oxide heterostructures, ferroelectricity can provide a new route to control these two properties via electrical operations, which is scientifically…

Materials Science · Physics 2014-09-16 Xin Huang , Shuai Dong

In metal/oxide heterostructures, rich chemical, electronic, magnetic and mechanical properties can emerge from interfacial chemistry and structure. The possibility to dynamically control interface characteristics with an electric field…

Materials Science · Physics 2015-06-22 Uwe Bauer , Lide Yao , Satoru Emori , Harry L. Tuller , Sebastiaan van Dijken , Geoffrey S. D. Beach

Single-ion magnetic anisotropy in molecular magnets leads to spin flip excitations that can be measured by inelastic scanning tunneling microscope (STM) spectroscopy. Here I present a semi ab initio scheme to compute the spectral features…

Mesoscale and Nanoscale Physics · Physics 2018-08-16 David Jacob

The iron-based high temperature superconductors exhibit a rich phase diagram reflecting a complex interplay between spin, lattice, and orbital degrees of freedom [1-4]. The nematic state observed in many of these compounds epitomizes this…

We theoretically show how the spin orientation of a single magnetic adatom can be controlled by spin polarized electrons in a scanning tunneling microscope configuration. The underlying physical mechanism is spin assisted inelastic…

Mesoscale and Nanoscale Physics · Physics 2010-03-11 F. Delgado , J. J. Palacios , J. Fernandez-Rossier

The reversible control of a single spin of an atom or a molecule is of great interest in Kondo physics and a potential application in spin based electronics.Here we demonstrate that the Kondo resonance of manganese phthalocyanine molecules…

Spin and orbital angular momenta are two intrinsic properties of an electron and are responsible for the physics of a solid. How the spin and orbital evolve with respect to each other on several hundred femtoseconds is largely unknown, but…

Materials Science · Physics 2021-06-25 G. P. Zhang , Mingqiang Gu , Y. H. Bai , T. L. Jenkins , Thomas F. George

Altermagnets, with spin splitting and vanishing magnetization, have been attributed to many fascinating phenomena and potential applications. In particular, integrating ferroelectricity with altermagnetism to enable magnetoelectric coupling…

Materials Science · Physics 2025-09-09 Ziye Zhu , Yuntian Liu , Xunkai Duan , Jiayong Zhang , Bowen Hao , Su-Huai Wei , Igor Zutic , Tong Zhou