"Silicate glass is an important material often used in technologies, where glass is exposed to radiation (insulating material in nuclear power plants, nuclear waste deposition). Electron radiation can be here either primary one or can be induced in glass secondary. Irradiated glass undergoes changes in topology and geometry of the silicate network, surface restructuralization, ion segregation, phase separation or crystallization. Properties of irradiated glass may be considerably different from the unirradiated one. Alkali ion diffusion, which is one of the dominant processes driving micro-surface changes will be studied in the microprobe analyser by the decay curve analyses. Changes on pristine surface prepared in-situ (nano-scale) will be observed by means of XPS and EELS. The surface changes will be also observed by a low-voltage SEM. In addition, technologically important changes in corrosion of irradiated glass will be studied. Experiments will be faced to theoretical knowledge gained"@en . "2344"^^ . . . . "2344"^^ . . "2006-01-01+01:00"^^ . "Changes in structure and properties of silicate glass surface irradiated with electrons"@en . . "2008-12-31+01:00"^^ . "0"^^ . "Zm\u011Bny struktury a vlastnost\u00ED povrchu silik\u00E1tov\u00FDch skel oz\u00E1\u0159en\u00FDch elektrony"@cs . "24"^^ . . "24"^^ . . "1"^^ . "K\u0159emi\u010Dit\u00E9 sklo je v\u00FDznamn\u00FD materi\u00E1l, je\u017E se \u010Dasto pou\u017E\u00EDv\u00E1 v technologi\u00EDch, ve kter\u00FDch doch\u00E1z\u00ED k jeho oz\u00E1\u0159en\u00ED (izola\u010Dn\u00ED materi\u00E1l v jadern\u00FDch elektr\u00E1rn\u00E1ch, ukl\u00E1d\u00E1n\u00ED radioaktivn\u00EDho odpadu). Elektro-nov\u00E9 z\u00E1\u0159en\u00ED je zde bu\u010F prim\u00E1rn\u00EDm zdrojem anebo vznik\u00E1 a\u017E sekund\u00E1rn\u011B ve skle. Skla vystaven\u00E1 z\u00E1\u0159en\u00ED proch\u00E1zej\u00ED zm\u011Bnami, je\u017E se projevuj\u00ED v topologii a geometrii k\u0159emi\u010Dit\u00E9 s\u00EDt\u011B, restrukturalizac\u00ED povrchu, segregac\u00ED iont\u016F, atd. Vlastnosti oz\u00E1\u0159en\u00FDch oblast\u00ED se zna\u010Dn\u011B li\u0161\u00ED od vlastnost\u00ED neoz\u00E1\u0159en\u00E9ho skla. Difuse alkalick\u00FDch iont\u016F, je\u017E je jedn\u00EDm z \u0159\u00EDd\u00EDc\u00EDch proces\u016F v povrchov\u00FDch zm\u011Bn\u00E1ch na mikro-\u00FArovni bude studov\u00E1na pomoc\u00ED n\u00E1mi ji\u017E d\u0159\u00EDve vyvinut\u00E9 metody t\u011Bkac\u00ED k\u0159ivky. Zm\u011Bny na samotn\u00E9m povrchu (nano-oblast) budou sledov\u00E1ny pomoc\u00ED XPS a EELS na atom\u00E1rn\u011B \u010Dist\u00FDch povr\u0161\u00EDch p\u0159ipra-ven\u00FDch in-situ a d\u00E1le pomoc\u00ED elektronov\u00E9ho mikroskopu (rozli\u0161en\u00ED v jednotk\u00E1ch nm). Nav\u00EDc se budou sledovat technologicky v\u00FDznamn\u00E9 zm\u011Bny korozn\u00EDch vlastnost\u00ED oz\u00E1\u0159en\u00FDch skel. Experimenty budou konfrontov\u00E1ny s teoretick\u00FDmi p\u0159edstavami o"@cs . "1"^^ . . . . . "silicate glass; surface; electron irradiation"@en . .