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A superlattice is a periodic structure of layers of two (or more) materials. Typically, the thickness of one layer is several nanometers . It can also refer to a lower-dimensional structure such as an array of quantum dots or quantum wells .
[27] [30] Rutile is tetragonal and hematite is trigonal, but there are directions of similar spacing between the atoms in the plane of rutile (perpendicular to the a axis) and the plane of hematite (perpendicular to the c axis). In epitaxy these directions tend to line up with each other, resulting in the axis of the rutile overgrowth being ...
In geometry, many uniform tilings on sphere, euclidean plane, and hyperbolic plane can be made by Wythoff construction within a fundamental triangle, (p q r), defined by internal angles as π/p, π/q, and π/r. Special cases are right triangles (p q 2).
In crystallography, a lattice plane of a given Bravais lattice is any plane containing at least three noncollinear Bravais lattice points. Equivalently, a lattice plane is a plane whose intersections with the lattice (or any crystalline structure of that lattice) are periodic (i.e. are described by 2d Bravais lattices). [ 1 ]
The Visible Human Project is an effort to create a detailed data set of cross-sectional photographs of the human body, in order to facilitate anatomy visualization applications. It is used as a tool for the progression of medical findings, in which these findings link anatomy to its audiences. [ 1 ]
A woman was arrested on Thursday after she took down an American flag and placed it on the muddy ground at a California park, replacing it with a Mexican flag.. Kern County deputies responded to ...
Optical arrangement to obtain out-of-plane ESPI fringes. The reference beam is an expanded beam derived from the laser beam, and is added to the image of the object which is formed on the video camera. The amplitude of the light at any point in the image is the sum of the light from the object (object beam) and the second beam (reference beam).
Wendy’s is beginning 2025 with a special deal to celebrate 25 years since the turn of the century. The burger chain announced that customers can purchase a Wendy’s Dave’s Single for 25 cents ...