Amplifiers using spin injection and magnetic control of...

Details Amplifiers using spin injection and magnetic control of... Amplifiers using spin injection and magnetic control of...

2005-04-12

2005-04-12

Tran, Minhloan (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

Magnetic field

C257S014000, C257S030000, C257S295000, C360S324000, C360S324100, C360S324110, C360S324120, C360S324200, C360S325000

Reexamination Certificate

active

06879013

ABSTRACT:
Ultrafast solid state amplifiers of electrical current, including power amplification devices, use injection of spin-polarized electrons from a magnetic region into another magnetic region through a semiconductor control region and electron spin precession inside the control region induced by a magnetic field resulting from a current flowing through a conductive nanowire. The amplifiers may include magnet-semiconductor-magnet heterostructures and are able to operate on electric currents and electromagnetic waves having frequencies up to 100 GHz or more.

REFERENCES:
patent: 6355953 (2002-03-01), Kirczenow
Sarma, Sankar Das, “Spintronics” American Scientist, vol. 89, pp. 516-523 (Nov.-Dec. 2001).
Wolf, S.A. et al., “Spintronics: A Spin-Based Electronics Vision for the Future” Science, vol. 294, pp. 1488-1495 (Nov. 16, 2001).

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