TITLE

Micromechanical magnetometer using an all-silicon nonlinear torsional resonator

AUTHOR(S)
Antonio, D.; Dolz, M. I.; Pastoriza, H.
PUB. DATE
September 2009
SOURCE
Applied Physics Letters;9/28/2009, Vol. 95 Issue 13, p133505
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this work, a micromagnetometer employing a nonlinear torsional resonator with a high quality factor Q is presented experimentally. Oscillatory rotation of a conducting plate in the sensed magnetic field H induces eddy currents that dissipate energy. Due to the nonlinear response of the oscillator, the resulting mechanical damping originates frequency shifts in the resonance curve that depend on H. Nonlinearity results from the electrostatic detection, which introduces high order electrical spring constants. The device is fabricated with a standard silicon process and does not incorporate ferromagnetic materials. An analytical nonlinear model that correctly describes the device is also introduced.
ACCESSION #
44449123

 

Related Articles

  • Nonlinear (Fluctuational) dynamics and mathematical modeling of homogenous oxidation of biological substrates. Magomedbekov, U. G.; Gasangadzhieva, U. G.; Gasanova, Kh. M.; Magomedbekov, N. Kh. // Russian Journal of General Chemistry;Jan2011, Vol. 81 Issue 1, p247 

    Nonlinear dynamics and mathematical modeling approaches were presented for studying chemical oscillations during homogeneous oxidation of biological substrates in the presence of oxygenated complexes of iron(II). It was shown that examination of fluctuational dynamics is only possible via...

  • Elastic properties of a cellular dissipative structure: Drift and oscillations in a 1-D pattern. Brunet, P.; Flesselles, J.-M.; Limat, L. // European Physical Journal B -- Condensed Matter;Oct2003, Vol. 35 Issue 4, p525 

    Investigates the interaction between drift and out-of-phase oscillations of cells in the case of a single domain propagating along a circular array of liquid jets. Examples of spatio-temporal diagrams; Illustration of the circular fountain experiment.

  • RECONSIDERING TRIGONOMETRIC INTEGRATORS. O'Neale, Dion R. J.; McLachlan, Robert I. // ANZIAM Journal;2009, Vol. 50 Issue 3, p320 

    In this paper we look at the performance of trigonometric integrators applied to highly oscillatory differential equations. It is widely known that some of the trigonometric integrators suffer from low-order resonances for particular step sizes. We show here that, in general, trigonometric...

  • REAL SHAPE OF THE NORMAL -TO -SUPERCONDUCTIVE TRANSITION CURVE REVEALED BY THE SINGLE -LAYER FLAT COIL -BASED TUNNEL DIODE OSCILLATOR. Gevorgyan, S.G.; Gevorgyan, V.S.; Sharoyan, E.G.; Sarkisyan, A.G.; Mirzoyan, A.M. // Electronic Journal of Natural Sciences;Nov2003, Vol. 1 Issue 1, p59 

    Owing to pick-up coil's flat design, low operation frequency (∼20 MHz) and 6 orders relative resolution an open-faced coil-based tunnel diode oscillator (OFC-magnetometer) has advantages, compared to other test-methods. They become crucial at studies with thin flat HTS materials (with small...

  • Numerical solution of axisymmetric nonlinear elastic problems including shells using the theory of a Cosserat point. Rubin, M. B. // Computational Mechanics;Oct2005, Vol. 36 Issue 4, p266 

    Starting with a recently developed three-dimensional eight node brick Cosserat element for nonlinear elastic materials, a simplified Cosserat element is developed for torsionless axisymmetric motions. The equations are developed within the context of the theory of a Cosserat point and the...

  • On the asymptotic nonlinearity in smectics. Brener, E. A.; Marchenko, V. I. // JETP Letters;Nov2007, Vol. 86 Issue 6, p389 

    Isolated sources of deformation in smectics for which the problem of determining the displacement field is significantly nonlinear at arbitrarily long distances even for a small action amplitude are indicated. Nonlinear asymptotic expressions can be determined in some cases.

  • On the Problem of Dynamical Localization in the Nonlinear Schr�dinger Equation with a Random Potential. Fishman, Shmuel; Krivolapov, Yevgeny; Soffer, Avy // Journal of Statistical Physics;Jun2008, Vol. 131 Issue 5, p843 

    We prove a dynamical localization in the nonlinear Schr�dinger equation with a random potential for times of the order of O( � -2), where � is the strength of the nonlinearity.

  • CONSIDERATIONS ON THE NONLINEARITY GRADE OF THE NONLINEAR MECHANICAL ELASTIC SYSTEMS. DRAGAN MECMET, Nicusor // Annals of the University Dunarea de Jos of Galati: Fascicle XIV,;2012, Vol. 17 Issue 1, p13 

    The article is taking into consideration a nonlinear model for the damping, where the damping coefficient has a polynomial variation function of the velocity. The differential equation of the movements of the non-linear 1DOF system can be solved only using numerical methods. The study gives the...

  • Nonlinear time series analysis of knee and ankle kinematics during side by side treadmill walking. Nessler, Jeff A.; De Leone, Charles J.; Gilliland, Sara // Chaos;Jun2009, Vol. 19 Issue 2, p026104 

    Nonlinear time series analysis was used to estimate maximal Lyapunov exponents of select ankle and knee kinematics during three different conditions of treadmill walking: independent, side by side, and side by side with forced synchronization of stepping. Stride to stride variability was...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics