Results 41 to 50 of about 131,197 (331)

N,N′-Bis(2-furylmethylene)-1,1′-binaphthyl-2,2′-diamine

Acta Crystallographica Section E, 2008
In the title compound, C30H20N2O2, the orientation of the furyl group may induce a variety of coordination modes with this ligand. The dihedral angle between the two naphthyl rings is 79.25 (7)°.
Najoua Belhaj Mbarek ElMkacher, Mohamed Rzaigui, Faouzi Bouachir   +2 more
doaj   +1 more source

Dihedral angles of n-simplices

Applied Mathematics Letters, 1992
It is proved that if \(\{v_ 1,\dots,v_ n\}\) is a set of orthogonal nonzero vectors in \(E^ n\), if \(F_ i\) is an \((n-1)\)-dimensional face of the \(n\)-simplex \([v_ 0,v_ 1,\dots,v_ n]\) for \(i=1,2,\dots,n\) and if \(\theta_{kl}\) is the dihedral angle between \(F_ k\) and \(F_ l\), then \(\Sigma\cos^ 2\theta_{kl}=1\). Also in the case of a regular
openaire   +1 more source

Photo‐Switching Thermal and Lithium‐Ion Conductivity in Azobenzene Polymers

Advanced Functional Materials, EarlyView.
Light‐responsive azobenzene polymers control thermal and ionic transport simultaneously through structural transitions. UV illumination disrupts π–π stacking, converting crystalline trans states to amorphous cis configurations. Thermal conductivity drops from 0.45 to 0.15 W·m−1·K−1 while Li+ diffusivity increases 100 fold. This dual transport switching
Jaeuk Sung, Jungwoo Shin, Qiujie Zhao, Minjee Kang, Christopher Evans, Cecilia Leal, Paul V. Braun, David G. Cahill   +7 more
wiley   +1 more source

2-Chloro-N-(2-chlorobenzoyl)-N-(2-ethyl-4-oxo-3,4-dihydroquinazolin-3-yl)benzamide

Acta Crystallographica Section E, 2014
In the title compound, C24H17Cl2N3O3, the quinazolinone ring system is close to planar (r.m.s. deviation = 0.0132 Å), with the imide unit almost perpendicular to it, subtending a dihedral angle of 89.1 (1)°.
Oladapo Bakare, Candice Thompson, Yakini Brandy, Ray J. Butcher   +3 more
doaj   +1 more source

Angle Tree: Nearest Neighbor Search in High Dimensions with Low Intrinsic Dimensionality [PDF]

, 2010
We propose an extension of tree-based space-partitioning indexing structures for data with low intrinsic dimensionality embedded in a high dimensional space. We call this extension an Angle Tree. Our extension can be applied to both classical kd-trees as
Chawla, Sanjay, Zvedeniouk, Ilia
core  

Efficient Charge Transport in Zero‐Dimensional Perovskite for Ultrahigh‐Sensitivity X‐Ray Detection

Advanced Functional Materials, EarlyView.
A novel mono‐octahedral 0D Bi‐based Dpy3Bi2I12 perovskite strengthens the internal hydrogen bonds and forms a quasi‐2D lattice, exhibits exceptional charge transport and mobility, achieving high X‐ray sensitivity and ultralow‐dose imaging, and setting a new benchmark for 0D detector performance.
Xin Song, Lijie Wang, Jiayi Wang, Yafeng Xu, Renqian Zhou, Shulin Chen, Partha Maity, Peng Yuan, Yongcao Zhang, Bingyao Shao, Jian‐Xin Wang, Jun Yin, Ren‐Wu Huang, Youyou Yuan, Taimoor Ahmad, Osman M. Bakr, Omar F. Mohammed   +16 more
wiley   +1 more source

1,2-Diphenylethane-1,2-diyl diisonicotinate monohydrateContribution No 20272019.

Acta Crystallographica Section E, 2008
In the novel title compound, C26H20N2O4·H2O, the two phenyl rings make a dihedral angle of 45.3 (1)° with each other, and the dihedral angle between the two pyridyl planes is 69.8 (1)°.
Wang Xin, Sun Xiaoqiang, Xi Haitao, Meng Qi, Jiang Yan   +4 more
doaj   +1 more source

High‐Performance Air‐Stable Polymer Monolayer Transistors for Monolithic 3D CMOS logics

Advanced Materials, EarlyView.
A fibrillar polymer monolayer with a self‐confinement effect is demonstrated, in which aligned chains parallel the nanofiber axis. Employing a top‐gate CYTOP dielectric, this monolayer transistor achieves high mobility (7.12 cm2 V−1 s−1) and exceptional stability over 1260 days in air.
Miao Cheng, Yanqin Zhang, Jinyao Wang, Haonan Wang, Yifan Xie, Shuaidi Zhang, Changrui Liu, Jingyun Chu, Feng Zhang, Zhenzhong Yang, Zilong Zheng, Mingjian Wu, Ling Li, Mengmeng Li   +13 more
wiley   +1 more source

N-Benzoyl-N-(3-methylphenyl)-O-[2-(2-nitrophenyl)acetyl]hydroxylamine

Acta Crystallographica Section E, 2011
In the title molecule, C22H18N2O5, the nitro-substituted ring makes a dihedral angle of 81.9 (1)° with the benzoyl ring and a dihedral angle of 12.1 (1)° with the methyl-substituted ring.
Kai Zhang, Dian He
doaj   +1 more source

Heptazine‐Assisted Multi‐Resonance TADF Emitters With Fast Reverse Intersystem Crossing for Efficient Solution‐Processed OLEDs

Advanced Materials, EarlyView.
Heptazine‐assisted MR‐TADF emitters enable narrowband yellow emission with high efficiency at high luminance in solution‐processed OLEDs. In doped films, HAP‐3CzBN achieves a record‐fast kRISC of 1.19 × 106 s−1. The optimized HAP‐3CzBN devices deliver 15.5% EQEmax with negligible roll‐off at 1000 cd m−2, 11.2% at 10,000 cd m−2, and a benchmark 20.3 ...
Changfeng Si, Katrina Bergmann, Kunping Guo, Gert‐Jan A. H. Wetzelaer, Paul W. M. Blom, Zachary M. Hudson   +5 more
wiley   +1 more source