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Low-cost spintronic devices functioning in zero applied magnetic field are required for bringing the idea of spin-based electronics into the real-world industrial applications. Here we present first microwave measurements performed on…

Mesoscale and Nanoscale Physics · Physics 2008-11-17 A. Mourachkine , O. V. Yazyev , C. Ducati , J. -Ph. Ansermet

In spin-based quantum information processing devices, the presence of control and detection circuitry can change the local environment of a spin by introducing strain and electric fields, altering its resonant frequencies. These resonance…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 J. J. Pla , A. Bienfait , G. Pica , J. Mansir , F. A. Mohiyaddin , Z. Zeng , Y. M. Niquet , A. Morello , T. Schenkel , J. J. L. Morton , P. Bertet

Spintronic nano-synapses and nano-neurons perform complex cognitive computations with high accuracy thanks to their rich, reproducible and controllable magnetization dynamics. These dynamical nanodevices could transform artificial…

Interest in the magnetism of organic compounds is growing because of new organic magnets, spin-based electronics and the diverse properties of magnetic edge states in graphene nanoribbons. Electron spin resonance spectroscopy combined with…

Mesoscale and Nanoscale Physics · Physics 2025-04-28 Gregory Czap , Christoph Wolf , Jose Reina-Gálvez , Mark H. Sherwood , Christopher P. Lutz

Hybrid systems composed of a single nitrogen-vacancy center spin magnetically coupled to a macroscopic mechanical resonator constitute promising platforms for the realization of quantum information protocols and for quantum sensing…

Mesoscale and Nanoscale Physics · Physics 2026-02-04 Felix Hahne , Teresa Klara Pfau , Liza Žaper , Lucio Stefan , Thibault Capelle , Andrea Ranfagni , Martino Poggio , Albert Schliesser

We theoretically investigate magnetoresistance (MR) effects in connection with spin filtering in quantum-coherent transport through tunnel junctions based on non-magnetic/semimagnetic heterostructures. We find that spin filtering in…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. C. Egues , C. Gould , G. Richter , L. W. Molenkamp

Magnetic insulators, such as yttrium iron garnet (Y$_3$Fe$_5$O$_{12}$), are ideal materials for ultra-low power spintronics applications due to their low energy dissipation and efficient spin current generation and transmission. Recently,…

Mesoscale and Nanoscale Physics · Physics 2016-12-05 Matthias B. Jungfleisch , Junjia Ding , Wei Zhang , Wanjun Jiang , John E. Pearson , Valentine Novosad , Axel Hoffmann

We report the study of magnetotransport properties of regio-regular poly (3-hexyl thiophene) based organic diodes. The devices were fabricated using two different techniques of spin coating and inkjet printing. Positive magnetoresistance…

Materials Science · Physics 2009-07-26 Sayani Majumdar , Himadri S. Majumdar , Daniel Tobjork , Ronald Osterbacka

We propose a device concept, based on monolayer stanene, able to provide highly polarized spin currents (up to a $98\%$) with voltage-controlled spin polarization operating at room temperature and with small operating voltage ($0.3$ V). The…

Mesoscale and Nanoscale Physics · Physics 2019-04-22 Enrique G. Marin , Damiano Marian , Giuseppe Iannaccone , Gianluca Fiori

Recent demonstrations of ultracoherent nanomechanical resonators introduce the prospect of new protocols for solid state sensing applications. Here, we propose to use two coupled ultracoherent resonator modes on a Si$_3$N$_4$ membrane for…

Applied Physics · Physics 2020-07-22 J. Košata , O. Zilberberg , Christian L. Degen , R. Chitra , A. Eichler

In quasi-magnetic tunnel junctions (QMTJs) with a EuS spin filter tunnel barrier between Al and Co electrodes, we observed large magnetoresistance (MR). The bias dependence shows an abrupt increase of MR ratio in high bias voltage, which is…

Materials Science · Physics 2009-11-13 T. Nagahama , T. S. Santos , J. S. Moodera

Being nonlinear dynamic systems, magnetic read sensors should respond to an excitation signal of a frequency considerably different from their natural ferromagnetic resonance (FMR) frequencies. Because of the magnetization dynamics'…

Spin-orbit torque and spin-transfer torque are leading the pathway to the future of spintronic memories. However, both of the mechanisms are suffering from intrinsic limitations. In particular, an external magnetic field is required for…

We consider theoretically transport in a spinfull one-channel interacting quantum wire placed in an external magnetic field. For the case of two point-like impurities embedded in the wire, under a small voltage bias the spin-polarized…

Strongly Correlated Electrons · Physics 2010-02-17 Zoran Ristivojevic , George I. Japaridze , Thomas Nattermann

A large spin-dependent and electric field-tunable magnetoresistance of a two-dimensional electron system (2DES) is a key ingredient for the realization of many novel concepts for spin-based electronic devices. The low magnetoresistance…

The primary requirement for achieving spin-selective electron transfer in a nanojunction possessing a magnetic system with zero net magnetization is to break the symmetry between the up and down spin sub-Hamiltonians. Circumventing the…

Mesoscale and Nanoscale Physics · Physics 2026-05-22 Prabhab Patra , Santanu K. Maiti

We demonstrate a spin diode consisting of a semiconductor free nano-scale Fe/MgO-based double tunnel junction. The device exhibits a near perfect spin-valve effect combined with a strong diode effect. The mechanism consistent with our data…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Iovan , S. Andersson , Yu. G. Naidyuk , A. Vedyaev , B. Dieny , V. Korenivski

We model the operation and readout sensitivity of two current-modulated magnetoplasmonic devices which exploit spin Hall effect-like behavior as a function of their device and material parameters. In both devices, current pulses are applied…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Mark E. Nowakowski

We present a rectifying manganite-titanate heterojunction exhibiting a magnetic field tunable depletion layer. This creates a large positive magnetocapacitance, a direct measure of the field-induced reduction of the effective depletion…

Strongly Correlated Electrons · Physics 2009-11-10 N. Nakagawa , M. Asai , Y. Mukunoki , T. Susaki , H. Y. Hwang

Recent advances in the studies of pure spin currents - flows of angular momentum (spin) not accompanied by the electric currents - have opened new horizons for the emerging technologies based on the electron's spin degree of freedom, such…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 V. E. Demidov , S. Urazhdin , G. de Loubens , O. Klein , V. Cros , A. Anane , S. O. Demokritov
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