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Publikováno v:
Physics Education. 18:266-269
Langmuir-Blodgett(LB) films of ABAB structure in which the compounds A and B are different and contain complementary groups which result in non-centrosymmetry of the layer plane. Three types of structures are described: (1) in which A and B have simi
Publikováno v:
Thin Solid Films. 132:125-134
We report the detection of pyroelectric activity in non-centrosymmetric Langmuir-Blodgett multilayer films of structure ABAB … where A and B are monolayers of different materials. Films consisting of alternating fatty amine and fatty acid layers gi
Publikováno v:
Thin Solid Films. 159:395-404
The monolayer and deposition behaviour was investigated for a series of eight 1, 4, 8, 11, 15, 18, 22, 25-octa-alkoxy phthalocyanines. Relative to their metal-free analogues, the copper octapropoxy, copper octabutoxy and copper octapentyloxy phthaloc
Publikováno v:
Journal of Non-Crystalline Solids. 32:271-293
High resolution X-ray and neutron correlation functions have been obtained for arsenic sulphide bulk glass and vapour-deposited films by making measurements to high momentum transfers. These data are compared with a vatiety of models and it is conclu
Publikováno v:
Journal of Solid State Chemistry. 73:127-139
Infrared and Raman spectroscopies have been applied to study rf sputtered tungsten oxide films as prepared and after the chemical modifications induced by successive coloration/bleaching cycles. As seen from UV-visible spectra and X-ray diffraction p
Publikováno v:
Thin Solid Films. 151:9-15
The pyroelectric behaviour of Langmuir-Blodgett films containing several different polar chromophores was studied. Two distinct levels of activity are seen. By comparison with films containing no chromophores it is shown that the lower level of activ
Publikováno v:
Thin Solid Films. 133:235-242
A method is described for the fabrication of non-centrosymmetric multilayer Langmuir-Blodgett (LB) films which are of interest for potential pyroelectric, piezoelectric and non-linear optical device applications. The substrate assembly is attached to
Publikováno v:
Thin Solid Films. 134:217-226
Many experimental observations exist in the literature illustrating the importance of spread monolayer rheology (mobility etc.) and its influence on the Langmuir-Blodgett deposition process, but systematic investigations of this relationship have rec
Publikováno v:
Thin Solid Films. 99:61-69
Surface pressure-area isotherms for a number of structurally related aromatic cyano derivatives were recorded. T15 (4-cyano-4″-n-pentyl-p-terphenyl) gave the most cohesive monolayer owing to a greater degree of intermolecular π orbital overlap. Th