A GHz Spintronic-Based RF Oscillator

A nano-sized oscillator for RF applications is presented which is based on two spintronic effects, the tunneling magnetoresistance (TMR) and the spin momentum transfer torque. The oscillation frequency is several GHz and can be tuned by both a DC bias current and an external DC magnetic field. High...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	IEEE journal of solid-state circuits 2010-01, Vol.45 (1), p.214-223
Hauptverfasser:	Villard, P., Ebels, U., Houssameddine, D., Katine, J., Mauri, D., Delaet, B., Vincent, P., Cyrille, M.-C., Viala, B., Michel, J.-P., Prouvee, J., Badets, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied sciences Circuit properties CMOS process Design. Technologies. Operation analysis. Testing Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency synthesis Integrated circuits Magnetic field measurement magneto-resistance Magnetoelectric, magnetostrictive, magnetoacoustic, magnetooptic and magnetothermal devices. Spintronics Magnetoelectronics Oscillators Oscillators, resonators, synthetizers Power amplifiers Power generation Radio frequency Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices spin torque Torque Transceivers Tunneling magnetoresistance VCO
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A nano-sized oscillator for RF applications is presented which is based on two spintronic effects, the tunneling magnetoresistance (TMR) and the spin momentum transfer torque. The oscillation frequency is several GHz and can be tuned by both a DC bias current and an external DC magnetic field. High compactness, high tunability and full compatibility with standard CMOS process make this spin torque nano-oscillator (STNO) a promising candidate for future RF transceivers. The main issues to be addressed are spectral purity and output power. First measurements on a hybrid built connecting the STNO to a dedicated wideband amplifier show that today's performance in terms of power is close to but not yet compatible with telecommunication standard requirements. Using time domain analysis we show that frequency fluctuations are an issue for spectral purity. Frequency synthesis concepts based on STNOs are also discussed.
ISSN:	0018-9200 1558-173X
DOI:	10.1109/JSSC.2009.2034432