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Anodic oxide electrets

Anodic oxide electrets

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© The Institution of Electrical Engineers
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Anodic oxide films on aluminium have been found to be electrets. The direction of the associated electric field implies a distribution of fixed negative charges within the oxide.

Inspec keywords: electrets; thick film devices

Subjects: Other dielectric applications and devices

References

    1. 1)
      • G.M. Sessler . Electrostatic microphones with electret foil. J. Acoust. Soc. Amer. , 1354 - 1357
    2. 2)
      • B. Gross , R.J. de Moraes . Polarization of the electret. J. Chem. Phys. , 710 - 713
    3. 3)
      • C.W. Reedyk . An electret transmitter for the telephone set. Electrochem. Technol. , 6 - 10
    4. 4)
      • K.H. Gundlach . On the potential barrier shape in Al-Al2O3-Al tunnel junctions. Solid-State Electron. , 13 - 18
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