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|Author(s):||Shehzaad F. Kaka; Stephen E. Russek;|
|Title:||Switching in Spin-Valve Devices in Response to Subnanosecond Longitudinal Field Pulses|
|Published:||May 01, 2000|
|Abstract:||We have fabricated spin-valve devices in a high-speed test structure that allows subnanosecond pulsed field excitation and high-bandwidth observation of the magnetoresistance response. The switching response varies for low-amplitude field pulses and approaches a consistent fast switch of less than 1 ns for field pulses of higher amplitude. For several pulse widths and amplitudes, the device switches into metastable states. The threshold amplitude fo the write-pulse was measured as a function of pulse duration for pulses as small as 250 ps in duration.|
|Citation:||Journal of Applied Physics|
|Pages:||pp. 6391 - 6393|