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UID:0-6345@eng.ufl.edu
DTSTART;TZID=America/New_York:20240206T150000
DTEND;TZID=America/New_York:20240206T160000
DTSTAMP:20251201T205920Z
URL:https://www.eng.ufl.edu/news-events/events/mse-seminar-deciphering-the
 -structure-and-properties-of-amorphous-functional-materials-using-4d-stem/
SUMMARY:MSE Seminar: "Deciphering the Structure and Properties of Amorphous
  Functional Materials using 4D-STEM"
DESCRIPTION:Abstract\nUnderstanding amorphous materials is not only a funda
 mental problem but also a practical one\, since controlling the flexible n
 ature of the atomic configuration in amorphous materials can potentially l
 ead to novel properties that are not achievable in crystalline materials. 
 However\, understanding amorphous materials remains formidably challenging
  due to the lack of long-range atomic ordering. Instead\, recent works hav
 e revealed that the atomic ordering at certain length scales\, namely shor
 t-range ordering and medium range-ordering (MRO) may be the key to underst
 anding the properties of these materials.\nFluctuation electron microscopy
  (FEM) has been an effective way to understand the MRO and how it attribut
 es to the structural fluctuation in amorphous materials. In recent years\,
  significant advances have been made in FEM by the introduction of the pix
 elated STEM detectors. This led to a deeper understanding of the structure
  of amorphous materials by enabling the full 4-dimensional (4D) acquisitio
 n of scanning nanodiffraction patterns\, which provides statistically sign
 ificant information about how MRO forms and influences their important pro
 perties critical to their applications.\n\nThis presentation will show the
  amorphous structure-property relationships that we recently established u
 sing 4D-STEM\, such as in metallic glasses\, ALD amorphous oxide thin film
 s\, and chalcogenides with novel physical phenomena.\nBio\nJinwoo Hwang\, 
 Ph.D.\nAssociate Professor\, Department of Materials Science &amp\; Engine
 ering\nOhio State University\nDr. Jinwoo Hwang is an Associate Professor 
 in the Department of Materials Science and Engineering at the Ohio State U
 niversity (OSU). His research focuses on developing new scanning transmiss
 ion electron microscopy (STEM) techniques to investigate the structural or
 igins of a wide range of important properties of materials. Current resear
 ch topics include structure-property relationships in amorphous and glassy
  materials\, defects in ultra-wide band gap semiconductors\, magnetic insu
 lators for novel spintronics\, and advancing 4D-STEM to investigate the th
 ermal properties of materials and interfaces.
CATEGORIES:Seminars
LOCATION:Rhines Hall Room 125\, 549 Gale Lemerand Drive\, Gainesville\, FL\
 , 32611\, United States
GEO:29.644403;-82.350403
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=549 Gale Lemerand Drive\, G
 ainesville\, FL\, 32611\, United States;X-APPLE-RADIUS=100;X-TITLE=Rhines 
 Hall Room 125:geo:29.644403,-82.350403
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