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Related papers: CMOS compatible W/CoFeB/MgO spin Hall nano-oscilla…

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Optical heterodyne detection is a powerful technique for characterizing a wide range of physical excitations. Here, we use two types of optical heterodyne detection techniques (fundamental and parametric pumping) to microscopically…

Mesoscale and Nanoscale Physics · Physics 2024-06-04 A. Alemán , A. A. Awad , S. Muralidhar , R. Khymyn , A. Kumar , A. Houshang , D. Hanstorp , J. Åkerman

This work discusses the rich phase diagram of non-trivial chiral spin textures in confined ferromagnetic/heavy-metal (FM/HM) bilayer nanomagnets of circular cross-section. These spin textures are realized as a minimum-energy ground state…

Mesoscale and Nanoscale Physics · Physics 2023-10-27 Nimisha Arora , Yogesh Kumar , Pintu Das

Bi-doped copper (Cu1-xBix) nanowires (NWs), promising candidates for spintronic applications due to their potential for a giant spin Hall effect (SHE), were synthesized and their structural properties and thermal stability were…

Nano-oscillator devices are gaining more and more attention as a prerequisite for developing novel energy-efficient computing systems based on coupled oscillators. Here, we introduce a highly scalable, frequency-tunable nano-oscillator…

We experimentally study the dynamical modes excited by current-induced spin-orbit torque and its electrostatic gating effect in a 3-terminal planar nano-gap spin Hall nano-oscillator (SHNO) with a moderate interfacial perpendicular magnetic…

Mesoscale and Nanoscale Physics · Physics 2023-04-12 Lina Chen , Yu Chen , Zhenyu Gao , Kaiyuan Zhou , Zui Tao , Yong Pu , Tiejun Zhou , Ronghua Liu

Spin-torque nano-oscillators can emulate neurons at the nanoscale. Recent works show that the non-linearity of their oscillation amplitude can be leveraged to achieve waveform classification for an input signal encoded in the amplitude of…

We evaluate the performance of hybrid microwave resonators made by combining sputtered Nb thin films with Tungsten nanowires grown with a He-beam induced deposition technique. Depending on growth conditions the nanowires have a typical…

The Cryogenic Sapphire Oscillator is today recognized for its unprecedented frequency stability, mainly coming from the exceptional physical properties of its resonator made in a high quality sapphire crystal. With these instruments, the…

Instrumentation and Detectors · Physics 2020-05-20 Vincent Giordano , Christophe Fluhr , Benoit Dubois

Long coherence time and compatibility with semiconductor fabrication make spin qubits in silicon an attractive platform for quantum computing. In recent years, hole spin qubits are being developed as they have the advantages of weak…

Mesoscale and Nanoscale Physics · Physics 2023-04-14 Shihang Zhang , Yu He , Peihao Huang

The large spin-orbit coupling in the valence band of group IV semiconductors provides an electric field knob for spin-qubit manipulation. This fact can be exploited with acceptor based qubits. Spin manipulation of holes bound to acceptors…

Mesoscale and Nanoscale Physics · Physics 2018-03-02 J. C. Abadillo-Uriel , M. J. Calderón

We studied interactions between propagating spin waves (SWs) and a single skyrmion in a perpendicularly magnetized CoFeB nanostripe where the magnetic layer is interfaced with W and MgO. Micromagnetic numerical calculations revealed that…

Mesoscale and Nanoscale Physics · Physics 2015-08-25 Junhoe Kim , Sang-Koog Kim

SQUID-embedded superconducting resonators are of great interest due to their potential for coupling highly scalable superconducting circuits with quantum memories based on solid-state spin ensembles. Such an application requires a high-$Q$,…

Quantum Physics · Physics 2025-01-06 Jamie A. Potter , Laith Meti , Gemma Chapman , Ed Romans , John Gallop , Ling Hao

Advancing large-scale quantum computing requires superconducting circuits that combine long coherence times with compatibility with semiconductor technology. We investigate niobium nitride (NbN) coplanar waveguide resonators integrated with…

Active manipulation of spin waves is essential for the development of magnon-based technologies. Here, we demonstrate programmable spin-wave filtering by resetting the spin structure of a pinned 90$^\circ$ N\'{e}el domain wall in a…

Semiconductor nanowires have been playing a crucial role in the development of nanoscale devices for the realization of spin qubits, Majorana fermions, single photon emitters, nanoprocessors, etc. The monolithic growth of site-controlled…

Storing, transmitting, and manipulating information using the electron spin resides at the heart of spintronics. Fundamental for future spintronics applications is the ability to control spin currents in solid state systems. Among the…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Fabrizio Nichele , Szymon Hennel , Patrick Pietsch , Werner Wegscheider , Peter Stano , Philippe Jacquod , Thomas Ihn , Klaus Ensslin

We studied the Shubnikov-de Haas (SdH) oscillations in high-mobility Si-MOS samples over a wide range of carrier densities $n\simeq (1-50) \times 10^{11}$cm$^{-2}$, which includes the vicinity of the apparent metal-insulator transition in…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 V. M. Pudalov , M. E. Gershenson , H. Kojima , N. Butch , E. M. Dizhur , G. Brunthaler , A. Prinz , G. Bauer

Using magnetron sputtering, we produced a series of Co/CoO-MgO nanoparticles on Si(100) substrates. High-resolution transmission electron microscopy (HRTEM) image shows that small isolated Co-clusters (core) covered with CoO (shells) with a…

Materials Science · Physics 2012-10-10 C. N. Ge , Xiangang Wan , E. Pellegrin , Z. Hu , W. Q. Zou , Y. W. Du

Exchange coupling in an interfacial context is crucial for spin-torque nano oscillator (STNO) that consists of a non-magnetic spacer which is alloyed with a ferromagnetic material. Currently, investigations on the dynamics of the free layer…

Mesoscale and Nanoscale Physics · Physics 2023-07-12 R. Arun , R. Gopal , V. K. Chandrasekar , M. Lakshmanan

Hole spin qubits are frontrunner platforms for scalable quantum computers because of their large spin-orbit interaction which enables ultrafast all-electric qubit control at low power. The fastest spin qubits to date are defined in long…

Mesoscale and Nanoscale Physics · Physics 2022-10-18 Stefano Bosco , Daniel Loss