| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1021/jp804264m |
| Drifting periodic structures in a degenerate-planar bent-rod nematic liquid crystal beyond the dielectric inversion frequency. | |
| Kumar P; Hiremath US; Yelamaggad CV; Rossberg AG; Krishnamurthy KS | |
| 发表日期 | 2008 |
| 出处 | The Journal of Physical Chemistry B 112 (31): 9270-9274 |
| 出版年 | 2008 |
| 语种 | 英语 |
| 摘要 | We report on the electric-field-generated effects in the nematic aligned homeotropically in the initial ground state and examined beyond the dielectric inversion point. The bend-Freedericksz (BF) state occurring at the primary bifurcation and containing a network of umbilics is metastable; we focus here on the degenerate planar (DP) configuration that establishes itself at the expense of the BF state in the course of an anchoring transition. In the DP regime, normal rolls, broad domains, and chevrons (both defect-mediated and defect-free types) form at various linear defect-sites, in different regions of the frequency-voltage plane. A significant novel aspect common to all these patterned states is the sustained propagative instability, which does not seem explicable on the basis of known driving mechanisms. |
| 主题 | Evolution and Ecology (EEP) |
| URL | http://pure.iiasa.ac.at/id/eprint/8528/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/128809 |
| 推荐引用方式 GB/T 7714 | Kumar P,Hiremath US,Yelamaggad CV,et al. Drifting periodic structures in a degenerate-planar bent-rod nematic liquid crystal beyond the dielectric inversion frequency.. 2008. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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