pn结势垒(barrierofp-njunction) pn结的空间电荷区中,存在由n边指向p边的自建电场。因此,自然形成n区高于p区的电势差Vd。相应的电子势能之差即能带的弯曲量qVd称为pn结的势垒高度。pn结的p区和n区的多数载流子运动时必须越过势垒才能到达对方区域,载流子的能量低于势垒高度,就被势垒阻挡而不能前进,这个垫垒叫做pn结...
For a given displacement, the barrier's height can be suppressed with reverse bias or enhanced by forward bias of the p–n junction. The results of the numerical simulations are compared with those from a simple analytical model as an aid in understanding the barrier's formation and ...
Tube formation assay For the tube formation assay, plates were coated with 2 mg/mL of Matrigel™ using 500 μL of solution per well in a 24 well plate. Plates were incubated for 60 min at 37°C. After iBMECs differentiation, cells were detached from the culture vessel using incubation ...
The blood-nerve barrier (BNB), formed by tight junction-forming microvessels within peripheral nerve endoneurium, exists to regulate its internal microenvironment essential for effective axonal signal transduction. Relatively little is known about the unique human BNB molecular composition. Such knowledge...
ZO-1 and ZO-2 independently determine where claudins are polymerized in tight-junction strand formation. Cell 126, 741–754 (2006). Article CAS PubMed Google Scholar Katsuno, T. et al. Deficiency of zonula occludens-1 causes embryonic lethal phenotype associated with defected yolk sac ...
There were certain differences in the ages of the subjects in both experimental groups. However, these results support the concept of manipulating PRF as an apical barrier in combination with placing MTA. PRF membrane formation was confirmed using the cover of the accompanying box in the kit ...
Methods of forming an electrically conductive path under a barrier oxide layer of a semiconductor-on-insulator (SOI) substrate and an integrated circuit including the path are disclosed. In one embodi
[33]. The scale-up was achieved using a Gri3D, a micropatterned hydrogel well plate that allows rapid and consistent organoid formation and growth with low heterogeneity. Meant to keep the organoid in suspension within microcavities, this system relies on the absence of an adhesive matrix to ...
The combination of NO and OONO- leads to the accumulation of very stable nitrites (NO2-) and nitrates (NO3-) in cells, resulting in the formation of highly reactive intermediates, such as NO2, N2O3, and NO, which lead to the nitration and nitrosation of important biomacromolecules, such ...
2.1Barrier Height, Interface States, Junction Formation, and Equilibrium Properties ASchottky barrieris similar to apnjunction orheterojunctionin which the doping on one side increases to the point where it becomes metallic. Theband diagramof an ideal metal onn-type semiconductor Schottky barrier is sh...