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Fabrication of Silica Ultra High Quality Factor Microresonators
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Highly efficient power conversion in magnetoelectric gyrators with high quality factor.

Jitao Zhang1, Weiwei Zhu1, D A Filippov2

  • 1College of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China.

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|February 3, 2019
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Summary

A novel magnetoelectric (ME) gyrator was developed, achieving 88.5% efficiency for efficient energy transfer. This high-Q factor device shows promise for compact power electronics applications.

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Physics

Background:

  • Magnetoelectric (ME) devices offer efficient energy conversion.
  • High-Q factor components are crucial for energy transfer efficiency.

Purpose of the Study:

  • To develop and characterize a high-Q magnetoelectric gyrator.
  • To assess its efficiency for practical applications in electronic devices.

Main Methods:

  • Fabrication of a trilayer laminate ME gyrator (Ni-Fe-Cr/Lead Zirconate Titanate).
  • Systematic characterization including efficiency measurements under varying conditions.

Main Results:

  • Maximum efficiency of 88.5% achieved at 54.04 kHz.
  • Optimal performance with 3.31 µW/cm³ input density, 9.6 kΩ load, and 66 Oe magnetic bias.
  • Demonstrated high energy transfer capability.

Conclusions:

  • The developed ME gyrator exhibits high efficiency and a high Q factor.
  • Potential for integration into compact power transfer electronic devices.
  • Performance can be optimized for specific design goals.