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Erbium trioxide is an important rare earth metal used in biomedicine. It is used as a gate dielectric in semi conductor devices since it has a high dielectric constant and a large band gap; as a burnable neutron poison for nuclear fuel and as coloring for glasses. Erbium oxide nanoparticles can be surface modified for distribution into aqueous and non-aqueous media for bioimaging due to its photoluminescence property.
Xu, R.; Tao, Q.; Yang, Y.; Takoudis, C. G. Atomic layer deposition and characterization of stoichiometric erbium oxide thin dielectrics on Si (100) using (CpMe) 3 Er precursor and ozone. Appl. Surf. Sci. 2012, 258 (22), 8514-8520.
Kao, C. H.; Chen, H.; Pan, Y. T.; Chiu, J. S.; Lu, T. C. The characteristics of the high-K Er2O3 (erbium oxide) dielectrics deposited on polycrystalline silicon. Solid State Commun. 2012, 152 (6), 504-508.
Hazard Statements: H319
Causes serious eye irritation.
Precautionary Statements: P280i-P264-P305+P351+P338-P337+P313
Wear eye/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.