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Related papers: Single-molecule enhanced spin-flip detection

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As shown in recent experiments [Auslaender et al., Nature Physics 5, 35 (2009)] magnetic force microscopy permits one not only to image but also to manipulate an individual vortex in type-II superconductors, and this manipulation provides a…

Superconductivity · Physics 2015-05-13 E. H. Brandt , G. P. Mikitik , E. Zeldov

We present two experiments that provide information on spin anisotropy and the magnetic structure of NaxCoO2. First, we report low-energy neutron inelastic scattering measurements of the zone-center magnetic excitations in the magnetically…

Strongly Correlated Electrons · Physics 2007-05-23 L. M. Helme , A. T. Boothroyd , R. Coldea , D. Prabhakaran , A. Stunault , G. J. McIntyre , N. Kernavanois

Dynamic nuclear polarization (DNP) has revolutionized the field of NMR spectroscopy, expanding its reach and capabilities to investigate diverse materials, biomolecules, and complex dynamic processes. Bringing high-efficiency DNP to the…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Sahand Tabatabaei , Pritam Priyadarsi , Namanish Singh , Pardis Sahafi , Daniel Tay , Andrew Jordan , Raffi Budakian

The structural and magnetic properties of Fe octaethylporphyrin (OEP) molecules on Cu(001) have been investigated by means of density functional theory (DFT) methods and X-ray absorption spectroscopy. The molecules have been adsorbed on the…

The optoelectronic properties of nanoscale systems such as carbon nanotubes (CNTs), graphene nanoribbons and transition metal dichalcogenides (TMDCs) are determined by their dielectric function. This complex, frequency dependent function is…

Materials Science · Physics 2021-11-10 Oisín Garrity , Alvaro Rodriguez , Niclas S. Mueller , Otakar Frank , Patryk Kusch

We study the magnetic excitation spectra in L-edge resonant inelastic x-ray scattering (RIXS) from undoped cuprates. We analyze the second-order dipole allowed process that the strong perturbation works through the intermediate state in…

Strongly Correlated Electrons · Physics 2013-05-30 Jun-ichi Igarashi , Tatsuya Nagao

Molecular dynamics simulations on tensile deformation of initially defect free single crystal copper nanowire oriented in <001>{100} has been carried out at 10 K under adiabatic and isothermal loading conditions. The tensile behaviour was…

Materials Science · Physics 2014-11-10 G. Sainath , V. S. Srinivasan , B. K. Choudhary , M. D. Mathew , T. Jayakumar

We present time-resolved measurements of spin-flip photon-assisted tunneling and spin-flip relaxation in a doubly occupied double quantum dot. The photon-assisted excitation rate as a function of magnetic field indicates that spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2016-04-18 F. R. Braakman , J. Danon , L. R. Schreiber , W. Wegscheider , L. M. K. Vandersypen

Magnetic excitations of the recently discovered frustrated spin-1/2 two-leg ladder system Li$_2$Cu$_2$O(SO$_4$)$_2$ are investigated using inelastic neutron scattering, magnetic susceptibility and infrared absorption measurements. Despite…

Strongly Correlated Electrons · Physics 2019-02-18 Ornella Vaccarelli , Andreas Honecker , Paola Giura , Keevin Béneut , Björn Fåk , Gwenaëlle Rousse , Guillaume Radtke

Topological insulators possess completely different spin-orbit coupled bulk and surface electronic spectra that are each predicted to exhibit exotic responses to light. Here we report time-resolved fundamental and second harmonic optical…

Mesoscale and Nanoscale Physics · Physics 2011-08-24 D. Hsieh , F. Mahmood , J. W. McIver , D. R. Gardner , Y. S. Lee , N. Gedik

The anisotropic conductivity of a series of tilted Nd_{1.85}Ce_{0.15}CuO_{4-\delta} thin films was measured by quasioptical spectroscopy in the frequency range 3cm^{-1}<\nu <40cm^{-1}. Two characteristic features have been observed in the…

Superconductivity · Physics 2009-10-31 A. Pimenov , A. V. Pronin , A. Loidl , A. Kampf , S. I. Krasnosvobodtsev , V. S. Nozdrin

Circularly polarized optical excitation is used to demonstrate the efficient injection of spin-polarized excitons to individual self-assembled CdSe quantum dots in ZnSe barrier. The exciton spin-transfer is studied by means of…

Mesoscale and Nanoscale Physics · Physics 2014-08-14 T. Smoleński , W. Pacuski , M. Goryca , M. Nawrocki , A. Golnik , P. Kossacki

Graphene has emerged as the foremost material for future two-dimensional spintronics due to its tuneable electronic properties. In graphene, spin information can be transported over long distances and, in principle, be manipulated by using…

We study the switching behavior of two spin-crossover molecules residing in a nanojunction device consisting of two closely spaced gold electrodes. The spin states are monitored through a real-time measurement of the resistance of the…

Mesoscale and Nanoscale Physics · Physics 2021-09-29 Philipp Stegmann , Alex Gee , Neil T. Kemp , Jürgen König

Spin is an intrinsically quantum property, characterized by angular momentum. A change in the spin state is equivalent to a change in the angular momentum or mechanical torque. This spin-induced torque has been invoked as the intrinsic…

Mesoscale and Nanoscale Physics · Physics 2009-09-30 Guiti Zolfagharkhani , Alexei Gaidarzhy , Pascal Degiovanni , Stefan Kettemann , Peter Fulde , Pritiraj Mohanty

Controlling quantum spins using electric rather than magnetic fields promises significant architectural advantages for developing quantum technologies. In this context, spins in molecular nanomagnets offer tunability of spin-electric…

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 magnetism of single atoms and molecules is governed by the atomic scale environment. In general, the reduced symmetry of the surrounding splits the $d$ states and aligns the magnetic moment along certain favorable directions. Here, we…

Mesoscale and Nanoscale Physics · Physics 2015-11-30 Benjamin W. Heinrich , Lukas Braun , Jose I. Pascual , Katharina J. Franke

We study the auto-oscillating magnetodynamics in orthogonal spin torque nano-oscillators (STNOs) as a function of the out-of-plane (OOP) magnetic field angle. In perpendicular fields and at OOP field angles down to approximately 50 degrees…

Mesoscale and Nanoscale Physics · Physics 2018-05-04 Morteza Mohseni , M. Hamdi , H. F. Yazdi , S. A. H. Banuazizi , S. Chung , S. R. Sani , Johan Åkerman , Majid Mohseni

Inelastic neutron scattering (INS) experiments were performed to investigate the spin dynamics in magnetoelectric effect (ME) LiCoPO$_4$ single crystals. Weak dispersion was detected in the magnetic excitation spectra along the three…

Strongly Correlated Electrons · Physics 2013-08-14 Wei Tian , Jiying Li , Jeffrey W. Lynn , Jerel L. Zarestky , David Vaknin