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Article Dans Une Revue IEEE Transactions on Microwave Theory and Techniques Année : 2023

Electrical modeling of spin-torque diodes used as radio frequency detectors: a step-by-step methodology for parameter extraction

Emmanuel Pistono
Sylvain Bourdel
Florence Podevin

Résumé

In this article here below, we present an electrical model for nanoscale spintronic radio frequency (RF) detectors called spin-torque diodes (STDs). A complete methodology for model parameter extraction is proposed. An equivalent electrical circuit for STD is derived and includes a modeling of the device resistance nonlinearity together with the STD effect. A detailed step-by-step methodology is presented to extract the model parameters using conventional dc measurements, RF scattering parameters (S -parameters), continuous wave (CW), and power characterizations. After parameter extraction, a comparison with measurements of a single STD successfully validates the model. Finally, the proposed STD electrical model is used to anticipate the behavior of a two-STD-based RF detector architecture. Simulation results highlight the interest of the proposed modeling approach to investigate suitable RF detector architectures to enhance RF-to-dc conversion efficiency for single or multiband RF detection.
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Dates et versions

hal-04061716 , version 1 (07-04-2023)

Identifiants

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Imadeddine Bendjeddou, Mafalda Jotta Garcia, Ahmed Sidi El Valli, Artem Litvinenko, Vincent Cros, et al.. Electrical modeling of spin-torque diodes used as radio frequency detectors: a step-by-step methodology for parameter extraction. IEEE Transactions on Microwave Theory and Techniques, 2023, 71 (7), pp.2771-2781. ⟨10.1109/TMTT.2023.3259528⟩. ⟨hal-04061716⟩
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