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UID:DSC-22559
DTSTART;TZID=Europe/Berlin:20260113T090000
SEQUENCE:1768286378
TRANSP:OPAQUE
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URL:https://dresden-science-calendar.org/calendar/en/detail/22559
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Kim: Precise control of interfaces in Bi2Te3-based thermoelectric m
 aterials with atomic layer deposition
CLASS:PUBLIC
DESCRIPTION:Speaker: Prof. Seong Keun Kim\nInstitute of Speaker: Korea Inst
 itute of Science and Technology | KU-KIST Graduate School of Converging Sc
 ience &amp\; Techn.\nTopics:\n\n Location:\n  Name: IFW (https://zoom.us/j
 /95061166470\, Zoom)\n  Street: Helmholtzstraße 20\n  City: 01069 Dresden
 \n  Phone: \n  Fax: \nDescription: Enhancing the performance of thermoelec
 tric materials remains critical for practical applications. Increasing the
  power factor and reducing the thermal conductivity are key strategies for
  improving the thermoelectric performance. Doping\, incorporating secondar
 y phases\, and generating dislocations can be used to introduce defects an
 d grain boundaries to improve the thermoelectric performance. The applicat
 ion of an ultrathin film as a coating on thermoelectric materials via atom
 ic layer deposition (ALD) has recently attracted attention as a novel appr
 oach to enhance the performance. The excellent conformality of ALD enables
  the conformal deposition of ultrathin films on powder to enable the inter
 facial properties to be meticulously controlled even after sintering. Usin
 g ALD to deposit an ultrathin layer on the thermoelectric powder matrix in
 duces various defects through the interactions of the coating material wit
 h the thermoelectric matrix\, which provide exquisite control over the mat
 erial properties. In this presentation\, I will present our recent studies
  on ALD coatings of ultrathin films on Bi2Te3-based thermoelectric materia
 ls\, focusing on the underlying mechanisms and the effects on the thermoel
 ectric performance.
DTSTAMP:20260729T035055Z
CREATED:20260107T063802Z
LAST-MODIFIED:20260113T063938Z
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