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物理系 李明憲 副教授於
期刊論文
發佈
Mechanism for linear and nonlinear optical effects in LiB3O5, CsB3O5, and CsLiB6O10 crystals
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：Mechanism for linear and nonlinear optical effects in LiB3O5, CsB3O5, and CsLiB6O10 crystals期刊論文Mechanism for linear and nonlinear optical effects in LiB3O5, CsB3O5, and CsLiB6O10 crystalsLin, Zheshuai; Lin, Jiao; Wang, Zhizhong; Chen, Chuangtian; Lee, Ming-Hsien淡江大學物理學系Intrinsic properties of excitons; optical absorption spectra; Electron density of states and band structure of crystalline solids; Optical constantsCollege Park: American Physical SocietyPhysical Review B (Condensed Matter and Materials Physics) 62(3), pp.1757-1764Electronic structure calculations of LiB3O5, CsB3O5, and CsLiB6O10 crystals from first principles are performed based on a plane-wave pseudopotential method. The static second-harmonic generation (SHG) coefficients are calculated at the independent-particle level with a formalism improved by our group and co-workers [Phys. Rev. B 60, 13 380 (1999)]. A real-space atom-cutting method is adopted to analyze the respective contributions of the cation and anionic gr
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