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Related papers: A Three-Terminal Spin-Wave Device for Logic Applic…

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We propose an electrically driven spin injector into normal metals and semiconductors, which is based on a magnetic tunnel junction (MTJ) subjected to a microwave voltage. Efficient functioning of such an injector is provided by…

Mesoscale and Nanoscale Physics · Physics 2020-09-16 A. I. Nikitchenko , N. A. Pertsev

Spin waves, known for their ability to propagate without the involvement of moving charges, hold immense promise for on-chip information transfer and processing, offering a path toward post-CMOS computing technologies. This study…

An idea for a nanodevice in which an arbitrary sequence of three basic quantum single qubit gates - negation, Hadamard and phase shift - can be performed on a single electron spin. The spin state is manipulated using the spin-orbit coupling…

Mesoscale and Nanoscale Physics · Physics 2009-01-18 S. Bednarek , B. Szafran

We study the current and temperature dependences of the microwave voltage emission of spin-valve nanopillars subjected to an in-plane magnetic field and a perpendicular-to-plane current. Despite the complex multilayer geometry, clear…

Materials Science · Physics 2009-11-11 Q. Mistral , Joo-Von Kim , T. Devolder , P. Crozat , C. Chappert , J. A. Katine , M. J. Carey , K. Ito

Energy loss due to ohmic heating is a major bottleneck limiting down-scaling and speed of nano-electronic devices, and harvesting ohmic heat for signal processing is a major challenge in modern electronics. Here we demonstrate that thermal…

Spin waves propagating through a stripe domain structure and reservoir computing with their spin dynamics have been numerically studied with focusing on the relation between physical phenomena and computing capabilities. Our system utilizes…

Applied Physics · Physics 2021-09-22 Ryosho Nakane , Akira Hirose , Gouhei Tanaka

Spin dependent electron transport measurements on graphene are of high importance to explore possible spintronic applications. Up to date all spin transport experiments on graphene were done in a semi-classical regime, disregarding quantum…

Mesoscale and Nanoscale Physics · Physics 2014-05-01 M. H. D. Guimaraes , P. J. Zomer , I. J. Vera-Marun , B. J. van Wees

In quantum computation, information is processed by gates that must coherently couple separate qubits. In many systems the qubits are naturally coupled, but such an always-on interaction limits the algorithms that may be implemented.…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Morteza Erfani , David G. Hasko , Alessandro Rossi , Wan Sik Cho , Jung-Bum Choi

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

Electron and nuclear spins have been employed in many of the early demonstrations of quantum technology (QT). However applications in real world QT are limited by the difficulty of measuring single spins. Here we show that it is possible to…

Quantum Physics · Physics 2011-05-25 Tom Close , Femi Fadugba , Simon C. Benjamin , Joseph Fitzsimons , Brendon W. Lovett

We present a new approach to the induction detection of electron spin resonance (ESR) signals exploiting the nonlinear properties of a superconducting resonator. Our experiments employ a yttrium barium copper oxide (YBCO) superconducting…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Gil Bachar , Oren Suchoi , Oleg Shtempluck , Aharon Blank , Eyal Buks

Quantized spin excitations in a single ferromagnetic microstrip have been measured using the microwave photovoltage technique. Several kinds of spin wave modes due to different contributions of the dipole-dipole and the exchange…

Strongly Correlated Electrons · Physics 2009-11-13 Y. S. Gui , N. Mecking , C. -M. Hu

Spin electronics (spintronics) exploits the magnetic nature of the electron, and is commercially exploited in the spin valves of disc-drive read heads. There is currently widespread interest in using industrially relevant semiconductors in…

Ising machines based on analog systems have the potential of acceleration in solving ubiquitous combinatorial optimization problems. Although some artificial spins to support large-scale Ising machine is reported, e.g. superconducting…

Applied Physics · Physics 2020-11-03 Qizhuang Cen , Tengfei Hao , Hao Ding , Shanhong Guan , Zhiqiang Qin , Kun Xu , Yitang Dai , Ming Li

Wave-based data processing by spin waves and their quanta, magnons, is a promising technique to overcome the challenges which CMOS-based logic networks are facing nowadays. The advantage of these quasi-particles lies in their potential for…

Exploring new strategies to perform magnon logic is a key requirement for the further development of magnon-based spintronics. In this work, we realize a three-terminal magnon transport device to study the possibility of manipulating…

Materials Science · Physics 2019-11-07 Joel Cramer , Lorenzo Baldrati , Andrew Ross , Mehran Vafaee , Romain Lebrun , Mathias Kläui

By investigating thoroughly the tunable behavior of coupled modes, we highlight how it provides new means to handle the properties of spin transfer nano-oscillators. We first demonstrate that the main features of the microwave signal…

The authors have investigated the effect of the electrical pulse width of input excitations on the generated spin waves in a NiFe strip using pulse inductive time domain measurements. The authors have shown that the spin waves resulting…

Materials Science · Physics 2015-06-11 Jae Hyun Kwon , Sankha Subhra Mukherjee , Mahdi Jamali , Masamitsu Hayashi , Hyunsoo Yang

The linear and nonlinear processes in ferromagnetic films at low temperatures T<< Tc are studied in a microscopic theory. Both the long-range magnetic dipole-dipole and the Heisenberg exchange interactions to nearest and next-nearest…

Strongly Correlated Electrons · Physics 2009-10-31 R. N. Costa Filho , M. G. Cottam , G. A. Farias

The emergence of two-dimensional (2D) layered magnetic materials has opened an exciting playground for both fundamental studies of magnetism in 2D and explorations of spinbased applications. Remarkable properties, including spin filtering…

Mesoscale and Nanoscale Physics · Physics 2021-02-02 Xiao-Xiao Zhang , Lizhong Li , Daniel Weber , Joshua Goldberger , Kin Fai Mak , Jie Shan