Daan Hein Alsem
Dr. Alsem is the Director of Research and Engineering at Hummingbird Scientific. He has two decades worth of research and development experience with in-situ and analytical transmission electron microscopy, electron microscopy-centered experimentation, and microscopy methods and hardware development.
After acquiring his Ph.D. at UC Berkeley, Dr. Alsem worked at the Lawrence Berkeley National Laboratory’s National Center of Electron Microscopy. He previously also held an Affiliate Assistant Professor position in the Department of Mechanical Engineering at the University of Washington.
Learn more about his research interests and publications from his Google Scholar profile or by connecting to his LinkedIn profile below:
Selected Publications
Microscopy and Microanalysis
Tyler Mefford, Khim Karki, Daan Hein Alsem, David Shapiro, Norman Salmon, William C. Chueh. “Operando Scanning Transmission X-ray Microscopy of Co(OH)2 Oxygen Evolution Electrocatalysts”. Microscopy and Microanalysis (2019)
Microscopy and Microanalysis
Noah Glachman, Noah Geller, Alexander Shea, V. Antoine Verret, Khim Karki, Julio Rodriquez-Manzo, Norman J. Salmon, Daan Hein Alsem, Deep Jariwala, Eric Stach. “Development of a Method to Characterize Active Sites in Photocatalysis using operando Transmission Electron Microscopy”. Microscopy and Microanalysis (2019)
Microscopy and Microanalysis
Daan Hein Alsem, James Horwath, Julio Rodríguez-Manzo, Khim Karki, Eric Stach. “Optimized High-Temperature In-Situ Transmission Electron Microscopy Double-Tilt Sample Heating Platform”. Microscopy and Microanalysis (2019)
Microscopy and Microanalysis
Alexander B Bard, Matthew B Lim, Xuezhe Zhou, Julio A Rodríguez Manzo, Daan Hein Alsem, Peter J Pauzauskie. “Observation of Void Formation in Cubic NaYF4 Nanocrystals Using In Situ Heating Transmission Electron Microscopy”. Microscopy and Microanalysis (2019)
Microscopy and Microanalysis
Nikhilendra Singh, James Horwath, Alexandre Foucher, Timothy S Arthur, Julio A RodrÃguez Manzo, Daan Hein Alsem, Eric Stach. “Operando Electrochemical TEM of Solid-State Energy Storage Materials Using a Probe-Based Biasing Holder”. Microscopy and Microanalysis (2019)
Microscopy and Microanalysis
Julio A. Rodriguez Manzo, Daan Hein Alsem, Norman J. Salmon, David Cooper. “Good Contacts for Quantitative In-Situ TEM Biasing Experiments with Movable Probes”. Microscopy and Microanalysis (2018)
Microscopy and Microanalysis
Khim Karki, Daan Hein Alsem, Norman Salmon. “Practical Electroanalytical Measurements in Liquid Cell TEM”. Microscopy and Microanalysis (2018)
Microscopy and Microanalysis
Khim Karki, Tyler Mefford, Daan Hein Alsem, Norman Salmon, William C. Chueh. “Replicating Bulk Electrochemistry in Liquid Cell Microscopy”. Microscopy and Microanalysis (2018)
Microscopy and Microanalysis
Alejandra Londono-Calderon, Wan Sun, Zengyi Shao, Daan Hein Alsem, Tanya Prozorov. “Correlative Microbially-Assisted Imaging of Cellulose Deconstruction with Electron Microscopy”. Microscopy and Microanalysis (2018)
Microscopy and Microanalysis
Victoriea L Bird, Al J Rise, Khim Karki, Daan Hein Alsem, Geoffrey H Campbell, Melissa K Santala. “Mapping Crystallization Kinetics of Phase-Change Materials Over Large Temperature Ranges Using Complementary In Situ Microscopy Techniques”. Microscopy and Microanalysis (2018)
Microscopy and Microanalysis
Khim Karki, Victoriea L Bird, Daan Hein Alsem, Melissa K Santala. “In-Situ TEM Observation of Crystallization in Phase-Change Material”. Microscopy and Microanalysis (2018)
Chemistry of Materials
Timothy S. Arthur, Per-Anders Glans, Nikhilendra Singh, Oscar Tutusaus, Kaiqi Nie, Yi-Sheng Liu, Fuminori Mizuno, Jinghua Guo, Daan Hein Alsem, Norman J. Salmon, Rana Mohtadi. “Interfacial Insight from Operando XAS/TEM for Magnesium Metal Deposition with Borohydride Electrolytes”. Chemistry of Materials (2017)
Journal of The Electrochemical Society
Eli Fahrenkrug, Daan Hein Alsem, Norman Salmon, Stephen Maldonado. “Electrochemical Measurements in In Situ TEM Experiments”. Journal of The Electrochemical Society (2017)
Microscopy and Microanalysis
Eli Fahrenkrug, Daan Hein Alsem, Norman Salmon, Stephen Maldonado. “Electrochemical Measurements during In Situ Liquid-Electrochemical TEM Experiments”. Microscopy and Microanalysis (2017)
Microscopy and Microanalysis
Julio A. Rodriguez Manzo, Norman J. Salmon, Daan Hein Alsem. “In Situ TEM Observation of Water Splitting”. Microscopy and Microanalysis (2017)
Microscopy and Microanalysis
Jongwoo Lim, Yiyang Li, Daan Hein Alsem, Hongyun So, Sang Chul Lee, Peng Bai, Daniel A. Cogswell, Xuzhao Liu, Norman Jin, Young-sang Yu, Norman J Salmon, David Shapiro, Martin Z Bazant, Tolek Tyliszczak, William Chueh. “Using Scanning Transmission X-ray Microscopy to Reveal the Origin of Lithium Compositional Spatiodynamics in Battery Materials”. Microscopy and Microanalysis (2017)
Science
Jongwoo Lim, Yiyang Li, Daan Hein Alsem, Hongyun So, Sang Chul Lee, Peng Bai, Daniel A. Cogswell, Xuzhao Liu, Norman Jin, Young-sang Yu, Norman J. Salmon, David A. Shapiro, Martin Z. Bazant, Tolek Tyliszczak, William C. Chueh. “Origin and hysteresis of lithium compositional spatiodynamics within battery primary particles”. Science (2016)
Microscopy and Microanalysis
Daan Hein Alsem, Siddharth Sood, Norman Salmon, Tevis D. B. Jacobs. “In situ electrical testing of device-relevant nanocontacts in the transmission electron microscope”. Microscopy and Microanalysis (2016)
Microscopy and Microanalysis
Wei Zhang, Daan Hein Alsem, Norman Salmon, Feng Wang. “In-Situ Liquid Cell TEM Studies of Electrochemical reactions in Lithium-ion Batteries”. Microscopy and Microanalysis (2015)
Ultramicroscopy
R. Colby, D.H. Alsem, A. Liyu, B. Kabius. “A method for measuring the local gas pressure within a gas-flow stage in situ in the transmission electron microscope”. Ultramicroscopy (2015)