Title
Zapis' informatsii sverkhkorotkimi lazernymi impul'sami (Russian Edition),Used
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Provedennye eksperimental'nye issledovaniya pokazali, chto pri sverkhkorotkikh lazernykh vozdeystviyakh malogo chisla pikoksekundnykh, femtosekundnykh, ravno kak i bol'shogo chisla femtosekundnykh impul'sov, imeyut mesto maloinertsionnye protsessy poverkhnostnogo okisleniya i strukturnoy modifikatsii plenok khroma. Protsess bystrogo okisleniya, povidimomu, ne svyazan s diffuziey kisloroda iz vozdukha vo vremya vozdeystviya, a predstavlyaet soboy lish' chistoe kineticheskoe khimicheskoe svyazyvanie adsorbirovannogo na poverkhnosti kisloroda, skoree vsego, po granitsam zeren mikrostruktury napylennogo khroma. Eta gipoteza podtverzhdaetsya nedavnimi izmereniyami mikrotverdosti plenok i massivnykh obraztsov khroma, gde pokazano, chto znachitel'noe povyshenie ee v plenkakh svyazano s ikh poverkhnostnym okisleniem na vozdukhe po granitsam zeren, kotorye v plenkakh znachitel'no men'she, chem u massivnykh obraztsov. Ukazannye rezul'taty mogut byt' neprotivorechivo ob"yasneny, esli prinyat' vo vnimanie, chto vremya termicheskogo deystviya sverkhkorotkikh impul'sov, povidimomu, opredelyaetsya ne dlitel'nost'yu sobstvenno lazernykh impul'sov, a vremenem ostyvaniya struktury.
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