The Langmuir-probe technique has been used to study the time-of-flight characteristics of a laser torch during MnSi-target ablation in vacuum and argon atmosphere by pulsed 532-nm laser radiation at 15-ns pulse duration. It is established that the amplitude of the signal of fast particles in the laser torch nonmonotonically depends on the buffer-gas pressure. Mechanisms determining this dependence of laser-torch characteristics on the pressure are considered. The influence of buffer-gas pressure on the ion-velocity distribution function is determined.
Методом лазерного синтеза из металлических мишеней при абляции излучением 248 и 532 нм получены тонкие пленки NbOx и TaOx в атмосфере кислорода и мемристоры на их основе в кроссбар-геометрии. В качестве электродов служили пленки Pt, Au, Ag, Ta, Nb. Изучено поведение ВАХ-мемристоров, полученных при разных условиях.
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