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Related papers: Magnon based logic in a multi-terminal YIG/Pt nano…

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Electrostatic gating confines and controls the transport of electrons in integrated circuits. Magnons, the quanta of spin waves of the magnetic order, are promising alternative information carriers, but difficult to gate. Here we report…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Tao Yu , Gerrit E. W. Bauer

Recently, magnomechanical systems have emerged as promising platforms for quantum technologies, exploiting magnon-photon-phonon interactions to store high-fidelity quantum information. In this paper, we propose a scheme to entangle two…

Quantum Physics · Physics 2025-04-18 Ziyad Imara , Isaac Pérez Castillo , Khadija El Anouz , Abderahim El Allati

We theoretically demonstrate that adding an easy-axis magnetic anisotropy facilitates magnon condensation in thin yttrium iron garnet (YIG) films. Dipolar interactions in a quasi-equilibrium state stabilize room-temperature magnon…

Mesoscale and Nanoscale Physics · Physics 2024-02-13 Therese Frostad , Philipp Pirro , Alexander A. Serga , Burkard Hillebrands , Arne Brataas , Alireza Qaiumzadeh

We report the experimental demonstration of a magnetologic gate built on graphene at room temperature. This magnetologic gate consists of three ferromagnetic electrodes contacting a single layer graphene spin channel and relies on spin…

Mesoscale and Nanoscale Physics · Physics 2016-04-13 Hua Wen , Hanan Dery , Walid Amamou , Tiancong Zhu , Zhisheng Lin , Jing Shi , Igor Žutić , Ilya Krivorotov , Lu J. Sham , Roland K. Kawakami

For applications making use of magnonic spin currents damping effects, which decrease the spin conductivity, have to be minimized. We here investigate the magnon transport in an yttrium iron garnet thin film with strongly reduced effective…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Janine Gückelhorn , Tobias Wimmer , Manuel Müller , Stephan Geprägs , Hans Hübl , Rudolf Gross , Matthias Althammer

Magnon propagation length in a ferrimagnetic insulator yttrium iron garnet (YIG) has been investigated by measuring and analyzing the YIG-thickness t_YIG dependence of the spin Peltier effect (SPE) in a Pt/YIG junction system. By means of…

Materials Science · Physics 2020-10-28 Shunsuke Daimon , Ken-ichi Uchida , Naomi Ujiie , Yasuyuki Hattori , Rei Tsuboi , Eiji Saitoh

Currently, thermally excited magnons are being intensively investigated owing to their potential in computing devices and thermoelectric conversion technologies. We report the detection of thermal magnon current propagating in a magnetic…

Mesoscale and Nanoscale Physics · Physics 2021-12-28 Dwi Prananto , Yuta Kainuma , Kunitaka Hayashi , Norikazu Mizuochi , Ken-ichi Uchida , Toshu An

Recent experimental and theoretical studies focus on spin-mediated heat currents at interfaces between normal metals and magnetic insulators. We resolve conflicting estimates for the order of magnitude of the spin transfer torque by…

Materials Science · Physics 2015-05-27 Xingtao Jia , Kai Liu , Ke Xia , Gerrit E. W. Bauer

We explore the inelastic spectra of electrons impinging in a magnetic system. The methodology here presented is intended to highlight the charge-dependent interaction of the electron beam in a STEM-EELS experiment, and the local vector…

Coherent conversion from microwave to optical wave opens new research avenues towards long distant quantum network covering quantum communication, computing, and sensing out of the laboratory. Especially multi-mode enabled system is…

Quantum Physics · Physics 2020-07-31 Yong Sup Ihn , Su-Yong Lee , Dongkyu Kim , Sin Hyuk Yim , Zaeill Kim

We report the detection of pure orbital currents generated by both coherent and thermal magnons in the magnetic insulator Bi-doped yttrium iron garnet (BiYIG). The pumping of orbital and spin currents is jointly investigated in nano-devices…

A spin wave majority fork-like structure with feature size of 40\,nm, is presented and investigated, through micromagnetic simulations. The structure consists of three merging out-of-plane magnetization spin wave buses and four…

We studied the nonlocal transport behavior of both electrically and thermally excited magnons in yttrium iron garnet (YIG) as a function of its thickness. For electrically injected magnons, the nonlocal signals decrease monotonically as the…

Mesoscale and Nanoscale Physics · Physics 2016-11-30 Juan Shan , Ludo J. Cornelissen , Nynke Vlietstra , Jamal Ben Youssef , Timo Kuschel , Rembert A. Duine , Bart J. van Wees

Quantum magnonics aims to exploit the quantum mechanical properties of magnons for nanoscale quantum information technologies. Ferrimagnetic yttrium iron garnet (YIG), which offers the longest magnon lifetimes, is a key material typically…

Yttrium iron garnet (YIG) is a magnetic insulator with record-low damping, allowing spin-wave transport over macroscopic distances. Doping YIG with gallium ions greatly reduces the demagnetizing field and introduces a perpendicular magnetic…

Mesoscale and Nanoscale Physics · Physics 2021-11-25 Joris J. Carmiggelt , Olaf C. Dreijer , Carsten Dubs , Oleksii Surzhenko , Toeno van der Sar

Spin pumping in Yttrium-iron-garnet (YIG)/nonmagnetic-metal (NM) layer systems under ferromagnetic resonance (FMR) conditions is a popular method of generating spin current in the NM layer. A good understanding of the spin current source is…

The linear and nonlinear interactions between spin waves (magnons) and acoustic waves (phonons) in magnetostrictive materials provide an exciting opportunity for realizing novel microwave signal processing devices and spintronic circuits.…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Pratim Chowdhury , Albrecht Jander , Pallavi Dhagat

Today, almost all information processing is performed using electronic logic circuits operating with up to several gigahertz frequency. All-optical logic, however, that holds the promise to allow up to three orders of magnitude higher speed…

Spin transport through magnetic insulators via magnons has recently been explored for a growing variety of magnetic systems with long-range order and well-understood spin excitation spectra. Here we show dramatic effects of spin transport…

Mesoscale and Nanoscale Physics · Physics 2017-10-25 Devin Wesenberg , Tao Liu , Davor Balzar , Mingzhong Wu , Barry L. Zink

We demonstrate a non-volatile magnetoelectric magnonic memory (MEMM) that enables fully electrical write/read via direct magnon-driven sensing in an insulating antiferromagnet. A fabricated SrIrO3/La-BiFeO3/SrIrO3 trilayer exhibits sub-100…