Spin manipulation using fast cantilever phase reversals

R. Budakian, H. J. Mamin, D. Rugar

Research output: Contribution to journalArticlepeer-review

Abstract

The authors show that the phase of a high-Q cantilever can be reversed abruptly, and they use this capability to detect spins for magnetic resonance force microscopy. Spins are manipulated at the cantilever resonant frequency while driving the cantilever with a wave form that has no Fourier component at this frequency. This amplitude-based detection protocol is motivated by the desire to avoid the effects of surface-induced force noise, which can interfere with frequency-based detection schemes. The technique has been applied to the detection of E' centers and has shown significantly reduced susceptibility to surface noise, resulting in improved signal-to-noise ratio.

Original languageEnglish (US)
Article number113113
JournalApplied Physics Letters
Volume89
Issue number11
DOIs
StatePublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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