Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3103273
Keywords
composite materials; inductors; lead compounds; magnetoelectric effects; magnetoelectronics; metallic glasses; multiferroics; permeability; Q-factor
Categories
Funding
- NSF [0824008, 0746810, 0603115]
- ONR [N000140710761, N000140810526]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0603115] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [746810, 0824008] Funding Source: National Science Foundation
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A class of electrostatically tunable inductors with multiferroic composite cores consisting of Metglas/lead zirconate titanate/Metglas was demonstrated. These magnetoelectric inductors exhibit a large tunable inductance range Delta L/L-min of up to 450%, together with improved quality factors. Such tunability of inductance and quality factor was due to a strong magnetoelectric coupling in the multiferroic composite core, which led to electric field induced permeability change. The concept of tuning inductance by electric field using multiferroic composite materials leads to a class of compact tunable inductors with minimum power consumption.
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