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oai:www.ideals.illinois.edu:2142/113844 2023-07-11 col_2142_5131 col_2142_14789 com_2142_5130 com_2142_14788 com_2142_8903

van der Veen, Renske M van der Veen, Renske M Zuo, Jian-Min Jain, Prashant Vura-Weis, Josh 2022-04-29T21:34:27Z 2021-12 Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms The student, Allan Sykes, accepted the attached license on 2021-11-18 at 10:16. The student, Allan Sykes, submitted this Dissertation for approval on 2021-11-18 at 10:26. This Dissertation was approved for publication on 2021-11-22 at 16:26. DSpace SAF Submission Ingestion Package generated from Vireo submission #17224 on 2022-04-06 at 17:09:48 Made available in DSpace on 2022-04-29T21:34:27Z (GMT). No. of bitstreams: 3 SYKES-DISSERTATION-2021.pdf: 9031153 bytes, checksum: fc5dee04daa062e0a2b7a02e1c8de5e5 (MD5) main_v4.tex: 340279 bytes, checksum: 807385f61784de4318150b878c1c65b7 (MD5) LICENSE.txt: 4208 bytes, checksum: 3d49be88a97abd97787716bbf75c72e7 (MD5) Previous issue date: 2021-11-22 application/pdf en text Development of a dynamic environmental transmission electron microscope for the study of light-induced dynamics in nanoscale materials Sykes, Allan Eugene 2021-11-22 Chemistry 2022-04-29T21:34:27Z In this dissertation we present the development and characterization of a unique dynamic environmental transmission electron microscope (DETEM) which combines ultrafast laser spectroscopy with high-resolution electron microscopy. The novel instrument is capable of capturing snapshots of evolving nanostructures, such as individual nanoparticles, and soft materials undergoing temperature-, gas-, voltage-, or light-induced chemical transformations on time scales ranging from femtoseconds-milliseconds. We demonstrate the successful use of the new instrument by a comprehensive study of the picosecond-resolved dynamics of a three dimensional electron gas in vacuum subject to a static magnetic field, as well as preliminary single-nanoparticle studies of metal-oxide and metal-organic framework materials that undergo photoinduced phase transitions between structures with different electrical and magnetic properties. Thesis eng http://hdl.handle.net/2142/113844 Copyright 2021 Allan Sykes Chemistry Chemistry University of Illinois at Urbana-Champaign Dissertation Ph.D.