Abstract
This paper reports the study undertaken to obtain a quantification method of Li and Nb in lithium niobate (LN) through an analytical chemical method. With use of a specifically designed digestion protocol, the contents of both lithium and niobium in a congruent LN monocrystalline compound have been systematically quantified by means of ICP-MS. HF and HNO3 acid mixtures in proportions 8:2 and 6:4 turn out to be most favorable to obtain the total digestion of the compound. Under these experimental conditions, Li and Nb recovery factors between 95% and 108% together with coefficients of variation around 1% were obtained. The resulting data are enough to suggest a new model of vacancies for the congruent lithium niobate based on the combination of both lithium and oxygen vacancies.
| Original language | English |
|---|---|
| Pages (from-to) | 3593-3596 |
| Number of pages | 4 |
| Journal | Chemistry of Materials |
| Volume | 16 |
| Issue number | 19 |
| DOIs | |
| Publication status | Published - 21 Sept 2004 |
| Externally published | Yes |