磁场中手性碳纳米环的类超导效应

来源 :化学物理学报 | 被引量 : 0次 | 上传用户:andacaizheng
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
利用导出的任意手性碳纳米环(TCNTs)的电子状态-能量关系式,对磁场中任意手性TCNs所具有的类似超导环的性质及持续电流的手性效应进行理论探讨.在T=0 K时,金属型和半导体型TCNTs象介观一维正常金属环一样具有类似超导环的性质、即持续电流以磁通量子φ0为周期随φ线性变化,且对手性角θ、环半径R极为敏感.手性TCNTs类似超导环的性质比高对称TCNTs明显得多,但随R增大而减弱,且减弱的快慢也与手性角θ有关.
其他文献
研究了四苯基卟啉 (H2 TPP)及其金属配合物 (AgTPP和MgTPP)在AgBr胶体上的表面增强喇曼光谱 (SERS)。SERS光谱表明 ,吸附在AgBr胶体粒子表面的MgTPP和H2 TPP分子分别发生银离
The title compound N-[1-(4-chlorophenyl)-1,4-dihydro-4-oxe-6-methylpyridazine-3-carbonyl]-N'-benzoylhydrazine was prepared by the reaction of 1-(4-chlorophenyl)
本文通过对荣华二采区10
AIM To evaluate antihepatoma effect ofantisense phosphorothioate oligodeo-xyribonucleotides (S-ODNs) targeted to alpha-fetoprotein (AFP) genes in vitro and in n
Fractions of a water insoluble α-(1→3)-D-glucan (GL) extracted from Ganoderma lucidum were carboxymethylated (CM) to obtain water-soluble carboxymethylated de
用低压化学气相沉积法制备TiO2薄膜.研究表明,水的分压、沉积温度、基片材料均对沉积速率有影响.在硅片上镀膜,沉积温度相同而退火温度不同,则薄膜结构亦不同.当退火温度高于
Many systems can display a very short, rapid change stage (quasi-discontinuous region) inside a relatively very long and slow change process. A quantitative def
The syntheses of Keggin and Dawson-structural phospho-tungsto heteropoly compounds and their Peroxo-derivatives(PCWP), and the catalytic performance over this s
An algorithm for the biochemical imaging of heterogeneity in the bio-tissue with finite parallel-plane geometry simultaneously using the data of reflectance and
用浸渍法制备了一系列镍基催化剂并以苯加氢反应及二硫化碳中毒为手段考查了MoO3对Ni基催化剂的改性机制.结果表明,钼的加入能增加Ni催化剂的催化活性和抗二硫化碳毒性,原因