التفاصيل البيبلوغرافية
| العنوان: |
Large Second-Harmonic Response and Giant Birefringence of CeF 2 (SO 4 ) Induced by Highly Polarizable Polyhedra |
| المؤلفون: |
Chao Wu (199897), Tianhui Wu (10188634), Xingxing Jiang (1573747), Zujian Wang (3740038), Hongyuan Sha (10188637), Lin Lin (46073), Zheshuai Lin (1483732), Zhipeng Huang (1759759), Xifa Long (4675399), Mark G. Humphrey (688646), Chi Zhang (9857) |
| سنة النشر: |
1753 |
| المجموعة: |
Smithsonian Institution: Digital Repository |
| مصطلحات موضوعية: |
Biophysics, Medicine, Neuroscience, Physiology, Pharmacology, Evolutionary Biology, Cancer, Infectious Diseases, Physical Sciences not elsewhere classified, Large Second-Harmonic Response, Polarizable Polyhedra Second-harmon., sulfate-based NLO materials, KH 2 PO 4, structure features novel, CeF 2, birefringence, CeO 4 F 4, tetrahedra, SHG, response, polyhedra, crystal structure analysis, tetravalent rare-earth metal |
| الوصف: |
Second-harmonic generation (SHG) response and birefringence are two critically important properties of nonlinear optical (NLO) materials. However, the simultaneous optimization of these two key properties remains a major challenge because of their contrasting microstructure requirements. Herein, we report the first tetravalent rare-earth metal fluorinated sulfate, CeF 2 (SO 4 ). Its structure features novel net-like layers constructed by highly distorted [CeO 4 F 4 ] polyhedra, which are further interconnected by [SO 4 ] tetrahedra to form a three-dimensional structure. CeF 2 (SO 4 ) exhibits the strongest SHG effect (8 times that of KH 2 PO 4 ) and the largest birefringence for sulfate-based NLO materials, the latter exceeding the birefringent limit for oxides. Theoretical calculations and crystal structure analysis reveal that the unusually large SHG response and giant birefringence can be attributed to the introduction of the highly polarizable fluorinated [CeO 4 F 4 ] polyhedra as well as the favorable alignment of [CeO 4 F 4 ] polyhedra and [SO 4 ] tetrahedra. This research affords a new paradigm for the designed synthesis of high-performance NLO materials. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
unknown |
| Relation: |
https://figshare.com/articles/journal_contribution/Large_Second-Harmonic_Response_and_Giant_Birefringence_of_CeF_sub_2_sub_SO_sub_4_sub_Induced_by_Highly_Polarizable_Polyhedra/14102683 |
| DOI: |
10.1021/jacs.1c00416.s001 |
| الاتاحة: |
https://doi.org/10.1021/jacs.1c00416.s001 |
| Rights: |
CC BY-NC 4.0 |
| رقم الانضمام: |
edsbas.6C571A7B |
| قاعدة البيانات: |
BASE |