1982
DOI: 10.1016/0038-1098(82)91010-9
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Theoretical interpretation of the measured X-ray spectrum of beryllium in the region of the Raman band

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Cited by 13 publications
(4 citation statements)
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“…Historically and conceptually the cluster model of a solid (crystal) was developed and used for more or less "localized" properties (impurity levels, chemisorption, etc.) [1][2][3][4][5][6][7][8][9][10], as was mentioned earlier, using a single isolated ("small") cluster to model the solid (i.e., the region of interest of the solid). This approach, having the added advantage of the possibility to use (when needed, and possible) advanced correlation techniques of quantum chemistry [10,11,13] was quite successful [1][2][3][4][5][6][7][8][9][10][11], even when was used in borderline cases of questionable validity [8,9].…”
Section: The Numerical Extrapolation Techniquementioning
confidence: 99%
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“…Historically and conceptually the cluster model of a solid (crystal) was developed and used for more or less "localized" properties (impurity levels, chemisorption, etc.) [1][2][3][4][5][6][7][8][9][10], as was mentioned earlier, using a single isolated ("small") cluster to model the solid (i.e., the region of interest of the solid). This approach, having the added advantage of the possibility to use (when needed, and possible) advanced correlation techniques of quantum chemistry [10,11,13] was quite successful [1][2][3][4][5][6][7][8][9][10][11], even when was used in borderline cases of questionable validity [8,9].…”
Section: The Numerical Extrapolation Techniquementioning
confidence: 99%
“…[1][2][3][4][5][6][7][8][9][10], as was mentioned earlier, using a single isolated ("small") cluster to model the solid (i.e., the region of interest of the solid). This approach, having the added advantage of the possibility to use (when needed, and possible) advanced correlation techniques of quantum chemistry [10,11,13] was quite successful [1][2][3][4][5][6][7][8][9][10][11], even when was used in borderline cases of questionable validity [8,9]. With the advent of computers (and the resulting increase of computer power) and the discovery of nanocrystals and nanocomposed materials, as porous silicon, the study of the variation of properties, such as the "bandgap" or the "optical gap" in terms of size of the nanoparticles was inevitable and very fruitful [10][11][12], culminated with the optical gap (and resulting photoluminescence) of silicon (and other [16][17][18] related) nanoparticles [10][11][12].…”
Section: The Numerical Extrapolation Techniquementioning
confidence: 99%
See 2 more Smart Citations