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Magnetoelastic Effects in Doubly Clamped Electroplated $$\mathrm{Co_{77}Fe_{23}}$$ Microbeam Resonators

Journal Article · · Physical Review Applied
 [1];  [1];  [1];  [1];  [1];  [2];  [3];  [2];  [2];  [4];  [4];  [4];  [1]
  1. Naval Research Lab. (NRL), Washington, DC (United States)
  2. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). Materials Science and Engineering Division
  3. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). Materials Science and Engineering Division; Russian Academy of Science, Chernogolovka (Russia). Inst. of Solid State Physics
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Magnetostrictive $$\mathrm{Co_{77}Fe_{23}}$$ films are fully suspended to produce free-standing, clamped-clamped, microbeam resonators. A negative or positive shift in the resonant frequency is observed for magnetic fields applied parallel or perpendicular to the length of the beam, respectively, confirming the magnetoelastic nature of the shift. Notably, the resonance shifts linearly with higher-bias fields oriented perpendicular to the beam’s length. Domain imaging elucidates the distinction in the reversal processes along the easy and hard axes. Finally, these results suggest that through modification of the magnetic anisotropy, the frequency shift and angular dependence can be tuned, producing highly magnetic-field-sensitive resonators.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1574488
Report Number(s):
SAND2019--12575J; 680577
Journal Information:
Physical Review Applied, Journal Name: Physical Review Applied Journal Issue: 3 Vol. 11; ISSN 2331-7019; ISSN PRAHB2
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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