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The relative orientation(s) of the epitaxial layer to the seed layer is defined in terms of the orientation of the crystal lattice of each material. For most epitaxial growths, the new layer is usually crystalline and each crystallographic domain of the overlayer must have a well-defined orientation relative to the substrate crystal structure.
Molecular-beam epitaxy takes place in high vacuum or ultra-high vacuum (10 −8 –10 −12 Torr).The most important aspect of an MBE process is the deposition rate (typically less than 3,000 nm per hour) that allows the films to grow epitaxially (in layers on top of the existing crystal).
Solar cells, or photovoltaic cells (PV) for producing electric power from sunlight can be grown as thick epi wafers on a monocrystalline silicon "seed" wafer by chemical vapor deposition (CVD), and then detached as self-supporting wafers of some standard thickness (e.g., 250 μm) that can be manipulated by hand, and directly substituted for wafer cells cut from monocrystalline silicon ingots.
Poetic devices are a form of literary device used in poetry. Poems are created out of poetic devices via a composite of: structural, grammatical, rhythmic, metrical, verbal, and visual elements. [1] They are essential tools that a poet uses to create rhythm, enhance a poem's meaning, or intensify a mood or feeling. [2]
The use of a MacGuffin as a plot device predates the name MacGuffin. The Holy Grail of Arthurian legend has been cited as an early example of a MacGuffin. The Holy Grail is the desired object that is essential to initiate and advance the plot, but the final disposition of the Grail is never revealed, suggesting that the object is not of significance in itself. [8]
Name Definition Example Setting as a form of symbolism or allegory: The setting is both the time and geographic location within a narrative or within a work of fiction; sometimes, storytellers use the setting as a way to represent deeper ideas, reflect characters' emotions, or encourage the audience to make certain connections that add complexity to how the story may be interpreted.
Literary Machines (short title) is a book first published in 1981 by Ted Nelson and republished nine times by 1993. It offers an extensive overview of Nelson's term " hypertext " as well as Nelson's Project Xanadu .
The focus of their attention was on the analysis of the features that make up literary texts in opposition to the former traditional study of literature which focussed on studying literature in conjunction with other disciplines such as history, biography, sociology and psychology (Makaryk 2000, p. 53). It insisted that literary scholars should ...