4.5 Article

Growth Parameters of Fully Crystallized YIG, Bi:YIG, and Ce:YIG Films With High Faraday Rotations

Journal

IEEE PHOTONICS JOURNAL
Volume 6, Issue 1, Pages -

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2013.2293610

Keywords

Garnet; magneto-optics; Faraday effect

Funding

  1. NSF through the MRSEC [DMR-0819885]
  2. NSF [ECCS-0901321]
  3. World Materials Network [DMR-1210818]
  4. Division Of Materials Research
  5. Direct For Mathematical & Physical Scien [1210818] Funding Source: National Science Foundation

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We report on the growth of thin films of yttrium iron garnet (YIG) on dielectric substrates. Such films have historically been challenging to grow due to either cracking or incomplete crystallization of the films. We have established the proper growth parameters by tuning seed layer thickness to an optimum of 45 nm. These films were then used as seed layers for growth of films of Bi:YIG and Ce:YIG. Bi:YIG films show a Faraday rotation of 1700 degrees/cm, and Ce:YIG films show a Faraday rotation of 3700 degrees/cm.

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