chemicallytechFine Chemical TechnologiesТонкие химические технологии2410-65932686-7575MIREA – Russian Technological University (RTU MIREA).10.32362/2410-6593-2017-12-1-5-25chemicallytech-68Research ArticleCHEMISTRY AND TECHNOLOGY OF INORGANIC MATERIALSХИМИЯ И ТЕХНОЛОГИЯ НЕОРГАНИЧЕСКИХ МАТЕРИАЛОВULTRAFAST TRANSMISSION ELECTRON MICROSCOPYСВЕРХБЫСТРАЯ ПРОСВЕЧИВАЮЩАЯ ЭЛЕКТРОННАЯ МИКРОСКОПИЯИщенкоА. А.IschenkoA. A.

заведующий кафедрой

Москва, 119571 Россия

Moscow, 119571 Russia

aischenko@yasenevo.ruТарасовЮ. И.TarasovYu. I.

заведующий кафедрой

Москва, 119571 Россия

Moscow, 119571 Russia

noemail@neicon.ruРябовЕ. А.RyabovE. A.

заведующий отделом лазерной спектроскопии

Москва, Троицк,108840 Россия

Moscow, Troitsk, 108840 Russia

noemail@neicon.ruАсеевС. А.AseyevS. A.

ведущий научный сотрудник лаборатории спектроскопии ультрабыстрых процессов

Москва, Троицк,108840 Россия

Moscow, Troitsk, 108840 Russia

noemail@neicon.ruШеферЛ.SchäferL.

Фэйтвилл, 72701, Арканзас, США

Fayetteville, AR, U.S.A., AR72701

noemail@neicon.ruМосковский технологический университет (Институт тонких химических технологий)РоссияMoscow Technological University (Institute of Fine Chemical Technologies)Russian FederationИнститут спектроскопии РАНРоссияInstitute of Spectroscopy of the RASRussian FederationУниверситет штата АрканзасСоединённые Штаты АмерикиUniversity of ArkansasUnited States201728022017121525Copyright © Ischenko A.A., Tarasov Y.I., Ryabov E.A., Aseyev S.A., Schäfer L., 20172017Ищенко А.А., Тарасов Ю.И., Рябов Е.А., Асеев С.А., Шефер Л.Ischenko A.A., Tarasov Y.I., Ryabov E.A., Aseyev S.A., Schäfer L.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.finechem-mirea.ru/jour/article/view/68

Ultrafast laser spectral and electron diffraction methods complement each other and open up new possibilities in chemistry and physics to light up atomic and molecular motions involved in the primary processes governing structural transitions. Since the 1980s, scientific laboratories in the world have begun to develop a new field of research aimed at this goal. “Atomic-molecular movies” will allow visualizing coherent dynamics of nuclei in molecules and fast processes in chemical reactions in real time. Modern femtosecond and picosecond laser sources have made it possible to significantly change the traditional approaches using continuous electron beams, to create ultrabright pulsed photoelectron sources, to catch ultrafast processes in the matter initiated by ultrashort laser pulses and to achieve high spatio-temporal resolution in research. There are several research laboratories all over the world experimenting or planning to experiment with ultrafast electron diffraction and possessing electron microscopes adapted to operate with ultrashort electron beams. It should be emphasized that creating a new-generation electron microscope is of crucial importance, because successful realization of this project demonstrates the potential of leading national research centers and their ability to work at the forefront of modern science.

Методы сверхбыстрой электронной дифракции, лазерной спектроскопии и квантовой химии, дополняя друг друга, открывают новые возможности изучения внутримолекулярной динамики веществ, участвующих в процессах химических реакций. Переходное состояние химических реакций определяет направление этих процессов. Начиная от первых работ 1980-х годов, выполненных в России и показавших принципиальную возможность исследования когерентной динамики ядер молекулярных систем, многие научные лаборатории в мире начали интенсивную разработку новой области исследований, направленную на экспериментальное исследование переходного состояния методом сверхбыстрой дифракции электронов. Последовательное развитие этого направления привело к созданию так называемого “атомно-молекулярного кино”, позволяющего визуализировать когерентную динамику ядер в молекулах и сверхбыстрые процессы в химических реакциях в режиме реального времени. В настоящее время ряд научно-исследовательских лабораторий в мире разрабатывают методы сверхбыстрой дифракции электронов и рентгеновского излучения, которые открыли возможность исследования переходного состояния химических реакций. Создание электронных микроскопов с высоким пространственно-временным разрешением является новым направлением в электронной микроскопии, близко примыкающим к этому новому направлению науки. Успешная реализация этого направления исследований демонстрирует потенциал ведущих национальных научно-исследовательских центров и их способность работать на переднем крае современной науки.

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The authors declare that there are no conflicts of interest present.