| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1596494 | Solid State Communications | 2007 | 4 Pages |
Abstract
The ultraviolet absorption edges of LiNbO3 crystals with different Li2O contents and MgO doping concentrations were investigated. The generally defined absorption edges at absorption coefficient α=15α=15 or 20 cm−1 of all these crystals fit the Urbach rule perfectly. The origin of this absorption edges in non-stoichiometric LiNbO3 crystals is attributed to the presence of Li vacancies.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
Xiaochun Li, Yongfa Kong, Hongde Liu, Lei Sun, Jingjun Xu, Shaolin Chen, Ling Zhang, Ziheng Huang, Shiguo Liu, Guangyin Zhang,