English
Related papers

Related papers: Probing weakly hybridized magnetic molecules by sp…

200 papers

In this paper, we examine the properties of spin-polarized interfaces consisting of single-molecule magnet bis(cyclopentadienyl)cobalt(II) (cobaltocene) and two-dimensional magnetic materials, semiconducting CrI$_3$ and metallic…

Materials Science · Physics 2026-03-23 Nikola Machacova , Biplab Sanyal

We report on spin polarization reduction by incoherent tunneling in realistic single crystal Co2FeAl/MgO/Co50Fe50 magnetic tunnel junctions (MTJ) compared to reference Fe/MgO/Fe. A large density of misfit dislocations in the Heusler based…

Materials Science · Physics 2012-12-06 M. S. Gabor , C. Tiusan , T. Petrisor , T. Petrisor , M. Hehn , Y. Lu , E. Snoeck

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,…

Using Density functional theory and non-equilibrium Green's function formalism, spin dependent electron transport in Fe/Mo$_x$Cr$_{1-x}$S$_2$/Fe magnetic tunnel junction is studied. Spin transport for different thicknesses (1, 3, 5, and 7…

Materials Science · Physics 2026-01-06 Aloka Ranjan Sahoo , Sharat Chandra

Metallorganic molecules have been proposed as excellent spin filters in molecular spintronics because of the large spin-polarization of their electronic structure. However, most of the studies involving spin transport, have disregarded…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 P. N. Abufager , R. Robles , N. Lorente

Magnetic adatoms on surfaces are exchange coupled to their environment, inducing fast relaxation of excited spin states and decoherence. These interactions can be suppressed by inserting decoupling layers between the magnetic adsorbate and…

Mesoscale and Nanoscale Physics · Physics 2022-04-01 Sergey Trishin , Christian Lotze , Nils Bogdanoff , Felix von Oppen , Katharina J. Franke

Magnetization dynamics in W/CoFeB, CoFeB/Pt and W/CoFeB/Pt multilayers was investigated using spin-orbit-torque ferromagnetic resonance (SOT-FMR) technique. An analytical model based on magnetization dynamics due to SOT was used to fit…

We report on systematic ab-initio investigations of Co and Cr interlayers embedded in Fe(001)/MgO/Fe(001) magnetic tunnel junctions, focusing on the changes of the electronic structure and the transport properties with interlayer thickness.…

Materials Science · Physics 2013-05-29 P. Bose , P. Zahn , J. Henk , I. Mertig

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

We report magnetoresistance measurements on thin Pt bars grown on epitaxial (001) and (111) CoFe2O4 (CFO) ferrimagnetic insulating films. The results can be described in terms of the recently discovered spin Hall magnetoresistance (SMR).…

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 investigate the adsorption of cobalt phthalocyanine (CoPc) molecules on a thin layer of cobalt oxide grown on Ir(100). To that end we compare the results of low-temperature scanning tunneling microscopy (STM) with those of ab-initio…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Tobias Schmitt , Pascal Ferstl , Lutz Hammer , M. Alexander Schneider , Josef Redinger

Magnetic domain structure and spin-dependent reflectivity measurements on cobalt thin films intercalated at the graphene / Ir(111) interface are investigated using spin-polarised low-energy electron microscopy. We find that graphene-covered…

Mesoscale and Nanoscale Physics · Physics 2015-08-27 A. D. Vu , J. Coraux , G. Chen , A. T. N'Diaye , A. K. Schmid , N. Rougemaille

We report on the fabrication and transport characterization of atomically-precise single molecule devices consisting of a magnetic porphyrin covalently wired by graphene nanoribbon electrodes. The tip of a scanning tunneling microscope was…

Mesoscale and Nanoscale Physics · Physics 2019-04-16 Jingcheng Li , Niklas Friedrich , Nestor Merino , Dimas G. de Oteyza , Diego Peña , David Jacob , Jose Ignacio Pascual

Epitaxial CoFe2O4/Al2O3 bilayers are expected to be highly efficient spin injectors into Si owing to the spin filter effect of CoFe2O4. To exploit the full potential of this system, understanding the microscopic origin of magnetically dead…

We study the interaction between graphene and a single-molecule-magnet, [Fe4(L)2(dpm)6]. Focusing on the closest Iron ion in a hollow position with respect to the graphene sheet, we derive a channel selective tunneling Hamiltonian, that…

Mesoscale and Nanoscale Physics · Physics 2021-09-03 Ignacio M. Vicent , Luca Chirolli , Francisco Guinea

This study reports the magnetization switching induced by spin-orbit torque (SOT) from the spin current generated in Co2MnGa magnetic Weyl semimetal (WSM) thin films. We deposited epitaxial Co2MnGa thin films with highly B2-ordered…

Materials Science · Physics 2021-02-09 Ke Tang , Zhenchao Wen , Yong-Chang Lau , Hiroaki Sukegawa , Takeshi Seki , Seiji Mitani

The ground state of frustrated (antiferromagnetic) triangular molecular magnets is characterized by two total-spin $S =1/2$ doublets with opposite chirality. According to a group theory analysis [M. Trif \textit{et al.}, Phys. Rev. Lett.…

Mesoscale and Nanoscale Physics · Physics 2014-07-01 J. F. Nossa , C. M. Canali

In this paper, we have done a comparative study of electronic and magnetic properties of iron phthalocyanine (FePc) and cobalt phthalocyanine (CoPc) molecules physisorbed on monolayer of MoS$_2$ and graphene by using density functional…

Materials Science · Physics 2018-09-05 Soumyajyoti Haldar , Sumanta Bhandary , Hakkim Vovusha , Biplab Sanyal

We characterize molecular magnet heterojunctions in which sublimated CoPc films as thin as 5 nm are sandwiched between transparent conducting bottom-layer indium tin oxide and top-layer soft-landing eutectic GaIn (EGaIn) electrodes. The…

‹ Prev 1 2 3 10 Next ›