TANTALUM OXIDE

Used for making capacitors

Tantalum pentoxide is Ta2O5, also known astantalum (V) oxide. Both and phases are known. Ta2O5is a high , low absorption material usefulfor coatings in the near- to spectra regions; it decomposes only at temperatures >1470?C. Ta2O5 is used to make in, cell phones, and pagers, electronic circuitry; thin- film components; andhigh- speed tools. In the 1990s, there was a very strong interest to do researchon tantalum oxide as a for capacitorapplications. For example, (a Japanese company making DRAM) hasput in a strong effort to improve ultrathin tantalum oxide films for DRAMapplications. Subsequently in the 2000s, this strong interest has dropped verysignificantly. There is still some interest to use it in MIM capacitors for RFCMOS integrated circuits. Due to its high index of refraction, Ta2O5has been utilized in the fabrication of the of manyaphic lenses