Journal
SCRIPTA MATERIALIA
Volume 150, Issue -, Pages 160-163Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2018.03.021
Keywords
(Tb0.995Ho0.005)(3)Al5O12; Transparent ceramics; Optical property; Magneto-optical property
Categories
Funding
- National Key RAMP
- D Program of China [2017YFB0310500]
- National Natural Science Foundation of China [61575212, 61675221]
- key research project of the frontier science of the Chinese Academy of Sciences [QYZDB-SSW-JSC022]
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A novel magneto-optical material, (Tb0.995Ho0.005)(3)Al5O12 transparent ceramic, was successfully fabricated using co-precipitated powders. The prepared (Tb0.995Ho0.005)(3)Al5O12 ceramic exhibits outstanding optical quality and magneto-optical property. For the (Tb0.995Ho0.005)(3)Al5O12 ceramic pre-sintered at 1650 degrees C for 20 h with HIP post-treatment at 1700 degrees C for 3 h, the optical transmittance exceeds 80% in the 500-1500 nm region (except for the absorption bands). The Verdet constant of the sample at 633 nm is about 1.4 times higher than that of the commercial Tb3Ga5O12 single crystal. High transparency and Verdet constant make it an attractive magneto-optical material for the high-power Faraday isolators. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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