نتایج جستجو برای: horizontal planar defects
تعداد نتایج: 257935 فیلتر نتایج به سال:
We investigate the structure of quasiparticle states localized in a core an Abrikosov vortex clean layered superconductor presence planar defects. It is shown that even highly transparent defect opens minigap at Fermi energy. Its magnitude ${E}_{g}\ensuremath{\sim}\mathrm{\ensuremath{\Delta}}\sqrt{R}$ exceeds mean level spacing for chiral branch ${\ensuremath{\omega}}_{0}\ensuremath{\sim}{\math...
An L-shape is the union of a horizontal and a vertical segment with a common endpoint. These come in four rotations: L, L , Land L . A k-bend path is a simple path in the plane, whose direction changes k times from horizontal to vertical. If a graph admits an intersection representation in which every vertex is represented by an L, an L or L , a k-bend path, or a segment, then this graph is cal...
Previous work on controllability of underactuated serial horizontal planar manipulators mostly focused only a specific number links, whereas this paper considers general N-link case. The main contribution is accessibility and small-time local (STLC) results for serial, horizontal, with one unactuated joint. An (N≥3) manipulator the first joint actuated STLC subset equilibrium points based Sussm...
First-principles studies of the formation and dynamics of silicon interstitial-clusters suggest a possible growth mechanism of silicon interstitial-chains as seen in macroscopic {311} planar defects. The relative populations of the three lowest-energy silicon tri-interstitials equilibrate within a few microseconds. Unfortunately, the tri-interstitial chain is unstable, quickly decaying to the g...
Planar defects in lithium-rich layered oxides were examined by aberration-corrected scanning transmission electron microscopy (STEM) to understand their formation. Planar defects were found to form during the transition of the transition metal layer from a disordered R 3m state to a lithiumordered C2/m state. This disorder-to-order transition resulted in three orientation variants, namely [100]...
Background and Aim: Cone beam computed tomography (CBCT) produces high-quality data in periodontal diagnosis and treatment planning. The aim of this study was to compare the accuracy of CBCT with intraoral digital and conventional radiography in the measurement of periodontal bone defects. Methods and Materials: In this diagnostic research, two hundred and eighteen artificial osseous d...
Three patients were found to have visual field defects which involved homonymous horizontal sectors of the visual fields, thus mimicking field defects associated with lesions of the lateral geniculate nucleus. Computed tomography provided anatomical evidence that the responsible lesion involved the optic radiations rather than the lateral geniculate nucleus.
Copperand yttrium-rich YBa2Cu307 bulk superconductors have been prepared by mixing copper oxide or yttrium oxide in nitric acid and adding the solution to premade stoichiometric YBa2Cu307 followed by annealing. In contrast to materials made by mixing oxide powders, both samples contain copper-rich defects spread homogeneously throughout the grains, either small platelet copper oxide precipitate...
Vacuumless defects in space-times with torsion may be obtained from vacuum defects in spacetimes without torsion.This idea is applied to planar domain walls and global monopoles.In the case of domain walls exponentially decaying Higgs type potentials are obtained.In the case of global monopoles torsion string type singularities are obtained like the string singularities in Dirac monopoles.
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