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We demonstrate theoretically that in a spintronic diode (SD), having a free magnetic layer with perpendicular magnetic anisotropy of the first and second order and no external bias magnetic field, the out-of-plane regime of magnetization…

Non-conventional beyond-the-state-of-the-art signal processing schemes require parallelism, scalability, robustness and energy efficiency to meet the demands of complex data-driven applications. With further research, magnonic and…

Applied Physics · Physics 2025-10-07 A. Koujok , A. Hamadeh , L. Martins , F. Kohl , B. Heinz , U. Ebels , P. Pirro

Radiofrequency harvesting using ambient wireless energy could be used to reduce the carbon footprint of electronic devices. However, ambient radiofrequency energy is weak (less than -20 dBm), and thermodynamic limits and high-frequency…

This paper develops a novel power harvesting system to harvest ambient RF energy to power a wireless sensor. Harvesting ambient RF energy is a very difficult task as the power levels are extremely weak. Simulation results show zero…

Systems and Control · Computer Science 2017-08-17 Paul Ryuji Chuen-Ying Huang , Sing Kiong Nguang , Ashton Partridge

Radio Frequency Identification (RFID) and implantable biomedical devices need efficient power and data transfer with very low profile antennas. We propose a low profile electrically small antenna for near-field wireless power and data…

Instrumentation and Detectors · Physics 2015-06-11 Guoqing Fu , Sameer Sonkusale

We present an approach to increase the effective light-receiving area of superconducting nanowire single-photon detectors (SNSPD) by means of free-form microlenses that are printed in situ on top of the sensitive detector area using…

Spin transfer magnetization dynamics have led to considerable advances in Spintronics, including opportunities for new nanoscale radiofrequency devices. Among the new functionalities is the radiofrequency(rf) detection using the spin diode…

In order to minimize electric grid power consumption, energy harvesting from ambient RF sources is considered as a promising technique for wireless charging of low-power devices. To illustrate the design considerations of RF-based ambient…

Networking and Internet Architecture · Computer Science 2016-11-15 Amin Ghazanfari , Hina Tabassum , Ekram Hossain

Generally, a superconducting nanowire single-photon detector (SNSPD) is composed of wires with a typical width of ~100 nm. Recent studies have found that superconducting strips with a micrometer-scale width can also detect single photons.…

Instrumentation and Detectors · Physics 2021-04-28 Guang-Zhao Xu , Wei-Jun Zhang , Li-Xing You , Jia-Min Xiong , Xing-Qu Sun , Hao Huang , Xin Ou , Yi-Ming Pan , Chao-Lin Lv , Hao Li , Zhen Wang , Xiao-Ming Xie

An RF-DC converter enhanced by a DC-DC voltage booster in silicon-on-insulator technology for UHF radio frequency identification (RFID) energy harvesting is presented in this letter. When the received RF power level is -14 dBm or higher,…

Other Computer Science · Computer Science 2013-06-05 D. De Donno , L. Catarinucci , L. Tarricone

In this work, we develop a nanoscale magnetic field sensor based on a spin-Hall nano-oscillator (SHNO) device. We fabricate constriction-based SHNO devices using Ni$_{81}$Fe$_{19}$/Au$_{0.25}$Pt$_{0.75}$ bilayer and use them to demonstrate…

Mesoscale and Nanoscale Physics · Physics 2023-03-07 Yanyou Xie , Hil Fung Harry Cheung , Gregory D. Fuchs

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

Microwave detectors based on the spin-transfer torque diode effect are among the key emerging spintronic devices. By utilizing the spin of electrons in addition to charge, they have the potential to overcome the theoretical performance…

The concept of the radio-frequency superconducting nanowire single-photon detector (RF-SNSPD) allows frequency-division multiplexing (FDM) of the bias and readout lines of several SNSPDs. Using this method, a multi-pixel array can be…

Instrumentation and Detectors · Physics 2020-04-22 Steffen Doerner , Artem Kuzmin , Stefan Wuensch , Ilya Charaev , Michael Siegel

A spintronic method of ultra-fast broadband microwave spectrum analysis is proposed. It uses a rapidly tuned spin torque nano-oscillator (STNO), and does not require injection locking. This method treats an STNO generating a microwave…

The classification of radio-frequency (RF) signals is crucial for applications in robotics, traffic control, and medical devices. Spintronic devices, which respond to RF signals via ferromagnetic resonance, offer a promising solution.…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Erwann Plouet , Hanuman Singh , Pankaj Sethi , Frank A. Mizrahi , Dedalo Sanz-Hernandez , Julie Grollier

As the Internet of Things (IoT) becomes more integral to how we live our lives and society becomes ever increasingly connected, the need for efficient nanoscale radio frequency detection is becoming more of a pressing issue. The commonly…

Mesoscale and Nanoscale Physics · Physics 2018-06-18 Alex S. Jenkins , Lara. San Emeterio Alvarez , Roberta Dutra , Rubem L. Sommer , Paulo P. Freitas , Ricardo Ferreira

A spin-torque nano-oscillator (STNO) driven by a ramped bias current can perform spectrum analysis quickly over a wide frequency bandwidth. The STNO spectrum analyzer operates by injection locking to external microwave signals and produces…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Steven Louis , Vasyl Tyberkevych , Jia Li , Ivan Lisenkov , Roman Khymyn , Elena Bankowski , Thomas Meitzler , Ilya Krivorotov , Andrei Slavin

Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of the spin-wavelength. Here, we use…

Mesoscale and Nanoscale Physics · Physics 2022-12-08 Brecht G. Simon , Samer Kurdi , Joris J. Carmiggelt , Michael Borst , Allard Katan , Toeno van der Sar

The authors show that the magnetization of a magnetostrictive/piezoelectric multiferroic single-domain shape-anisotropic nanomagnet can be switched with very small voltages that generate strain in the magnetostrictive layer. This can be the…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Kuntal Roy , Supriyo Bandyopadhyay , Jayasimha Atulasimha
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