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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260427T084554Z DTSTART;VALUE=DATE-TIME:20251006T130000 DTEND;VALUE=DATE-TIME:20251006T140000 SUMMARY:WCPM: Peng Wang\, ÌÇÐÄTV TZID:Europe/London UID:20251006-8ac672c698eb2d640198efcd68380b8b@warwick.ac.uk CREATED:20251001T100542Z DESCRIPTION:Location: Lecture Theatre 0.004 IMC Networking Lunch: The Rec harge Room\, next to Lecture Theatre 0.004\, from 12:30pm - 1pm. Title: An Emerging Electron Microscopy Imaging Technology for Physical and Biol ogical Sciences: 4D STEM Electron Ptychography Abstract: Electron micros copy has become an essential tool for advancing our understanding of mat erials and biological systems\, offering structural and chemical insight s across length scales from the macroscopic to the atomic. At ÌÇÐÄTV\, the Electron Microscopy Research Technology Platform (EM-RTP) provides a state-of-the-art facility that supports a wide range of research activi ties\, from advanced imaging and spectroscopy to in-situ and correlative methods. I will begin by introducing the general principles of electron microscopy and highlighting the capabilities of the ÌÇÐÄTV EM-RTP in e nabling multidisciplinary research. The second part of the talk will foc us on an emerging frontier in the field: 4D STEM electron ptychography [ 1]. This technique\, quickly developed in the X-ray community\, utilitiz es overlapping diffraction measurements to computationally reconstruct i mages with superior phase sensitivity and resolution. In electron micros copy\, 4D STEM ptychography has opened new opportunities to overcome the traditional limits of imaging optics\, enabling super-resolution imagin g [2]\, low-dose imaging for beam-sensitive materials [3-5]\, quantitati ve measurements of electric [6] and magnetic fields[7] and 3D imaging [8 -10]. I will discuss recent developments in detector technologies\, algo rithmic advances\, and applications to both physical and biological scie nces\, illustrating how ptychography is transforming our ability to visu alize and understand complex systems at the nanoscale. Bio: Professors' Wangs research has been focused primarily on two areas: developing novel computational diffractive imaging techniques (ptychography\, 4D STEM) f or cryogenic electron microscopy (Cryo-EM)\, light atomic detecting (O\, Li elements)\, low dose imaging (beam sensitive materials)\, 3D reconst ruction and EM field mapping\, which can then tackle characterization ch allenges across the physical and life sciences\, ranging from battery ma terials to biological macromolecules\; in situ examining atomic structur es of advanced materials and their functional properties with an emphasi s on complex oxides and two-dimensional materials. To date\, he has publ ished over 100 refereed journal articles\, including Nature\, Science\, PNAS\, Nature Nanotechnology\, Nature Electronics\, Nature Catalysis\, N ature Communications\, Physical Review Letters\, Advanced Materials and Ultramicroscopy. Find out more here. LOCATION:Lecture Theatre 0.004 IMC CATEGORIES:WCPM LAST-MODIFIED:20251001T100542Z ORGANIZER;CN=Jin Kang: END:VEVENT END:VCALENDAR